diff --git a/doc/界面设计.docx b/doc/界面设计.docx
new file mode 100644
index 0000000..b34cd48
Binary files /dev/null and b/doc/界面设计.docx differ
diff --git a/src/FruitandVegetableGuide/app/build.gradle b/src/FruitandVegetableGuide/app/build.gradle
index 5376ae4..d300838 100644
--- a/src/FruitandVegetableGuide/app/build.gradle
+++ b/src/FruitandVegetableGuide/app/build.gradle
@@ -52,6 +52,8 @@ dependencies {
implementation "androidx.appcompat:appcompat:1.6.1"
implementation "androidx.core:core-ktx:1.10.1"
implementation "com.google.android.material:material:1.9.0"
+ implementation 'androidx.core:core-ktx:+'
+ implementation 'androidx.core:core-ktx:+'
def composeBom = platform('androidx.compose:compose-bom:2023.08.00')
implementation(composeBom)
diff --git a/src/FruitandVegetableGuide/app/src/main/AndroidManifest.xml b/src/FruitandVegetableGuide/app/src/main/AndroidManifest.xml
index b53bc0f..097e5ee 100644
--- a/src/FruitandVegetableGuide/app/src/main/AndroidManifest.xml
+++ b/src/FruitandVegetableGuide/app/src/main/AndroidManifest.xml
@@ -14,15 +14,11 @@
tools:targetApi="31">
-
-
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/Destinations.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/Destinations.kt
new file mode 100644
index 0000000..430408d
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/Destinations.kt
@@ -0,0 +1,62 @@
+package com.example.fruitandvegetableguide
+
+
+// 每个界面路由接口
+interface Destinations {
+ val route: String
+}
+
+//接口实现
+object Login : Destinations {
+ override val route: String = "login"
+}
+
+object Register : Destinations {
+ override val route: String = "register"
+}
+
+object Main : Destinations {
+ override val route: String = "main"
+}
+
+object Search : Destinations {
+ override val route: String = "search"
+}
+
+object PostDetail : Destinations {
+ override val route: String = "postDetail"
+}
+
+object GuideDetail : Destinations {
+ override val route: String = "guideDetail"
+}
+
+object User : Destinations {
+ override val route: String = "user"
+}
+
+object MyPost : Destinations {
+ override val route: String = "myPost"
+}
+
+object Photograph : Destinations {
+ override val route: String = "photograph"
+}
+
+object RecognizeResult : Destinations {
+ override val route: String = "recognizeResult"
+}
+
+object Guide : Destinations {
+ override val route: String = "guide"
+}
+
+object Community : Destinations {
+ override val route: String = "community"
+}
+
+object PostEdit : Destinations {
+ override val route: String = "postEdit"
+}
+
+//val Screens = listOf(Login, Register, Main)
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/MyActivity.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/MyActivity.kt
new file mode 100644
index 0000000..d973dc9
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/MyActivity.kt
@@ -0,0 +1,48 @@
+package com.example.fruitandvegetableguide
+
+import android.os.Bundle
+import androidx.activity.compose.setContent
+import androidx.appcompat.app.AppCompatActivity
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import com.example.fruitandvegetableguide.ui.login.LoginScreen
+import com.example.fruitandvegetableguide.ui.theme.FruitandVegetableGuideTheme
+
+class MyActivity : AppCompatActivity() {
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContent {
+ FruitandVegetableGuideTheme() {
+ Surface(
+ modifier = Modifier.fillMaxSize(),
+ color = MaterialTheme.colorScheme.background
+ ) {
+ MyApp()
+ }
+ }
+ }
+ }
+}
+
+@Composable
+fun MyApp() {
+ //使用 rememberNavController() 获取 NavController，因为它是整个应用的根可组合项和入口点
+ val navController = rememberNavController()
+// val currentBackStack by navController.currentBackStackEntryAsState()
+// val currentDestination = currentBackStack?.destination
+ Scaffold { innerPadding ->
+ NavHost(
+ navController = navController,
+ modifier = Modifier.padding(innerPadding)
+ )
+ }
+}
+
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/NavHost.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/NavHost.kt
new file mode 100644
index 0000000..9f7a6a9
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/NavHost.kt
@@ -0,0 +1,137 @@
+package com.example.fruitandvegetableguide
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.navigation.NavHostController
+import androidx.navigation.NavType
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.navArgument
+import com.example.fruitandvegetableguide.ui.community.CommunityScreen
+import com.example.fruitandvegetableguide.ui.community.PostDetailScreen
+import com.example.fruitandvegetableguide.ui.community.PostEditScreen
+import com.example.fruitandvegetableguide.ui.guide.GuideDetailScreen
+import com.example.fruitandvegetableguide.ui.guide.GuideScreen
+import com.example.fruitandvegetableguide.ui.imgrecognition.PhotographScreen
+import com.example.fruitandvegetableguide.ui.imgrecognition.RecognizeResultScreen
+import com.example.fruitandvegetableguide.ui.login.LoginScreen
+import com.example.fruitandvegetableguide.ui.main.MainScreen
+import com.example.fruitandvegetableguide.ui.register.RegisterScreen
+import com.example.fruitandvegetableguide.ui.search.SearchScreen
+import com.example.fruitandvegetableguide.ui.user.MyPostScreen
+import com.example.fruitandvegetableguide.ui.user.UserScreen
+
+@Composable
+fun NavHost(
+ navController: NavHostController,
+ modifier: Modifier = Modifier
+) {
+ NavHost(
+ navController = navController,
+ startDestination = Login.route,
+ modifier = modifier
+ ) {
+ //登录页路由
+ composable(route = Login.route) {
+ LoginScreen(
+ onClickToRegister = { navController.navigateSingleTopTo(Register.route) },
+ onClickToMain = { userid -> navController.navigateSingleTopTo("${Main.route}/${userid}") }//传出userid
+ )
+ }
+ //注册页路由
+ composable(route = Register.route) {
+ RegisterScreen(
+ onClickBack = { navController.popBackStack() }
+ )
+ }
+ //首页路由
+ composable(
+ route = "${Main.route}/{userid}",
+ arguments = listOf(
+ navArgument("userid") {
+ type = NavType.IntType
+ nullable = false
+ }
+ )
+ ) {
+ val userid = it.arguments?.getInt("userid")//接收userid
+ MainScreen(
+ userid = userid,
+ onClickToSearch = { navController.navigateSingleTopTo(Search.route) },
+ onClickToUser = { navController.navigateSingleTopTo(User.route) },
+ onClickToPhotograph = { navController.navigateSingleTopTo(Photograph.route) },
+ onClickToGuide = { navController.navigateSingleTopTo(Guide.route) },
+ onClickToCommunity = { navController.navigateSingleTopTo(Community.route) },
+ onClickToGuideDetail = { navController.navigateSingleTopTo(GuideDetail.route) },
+ onClickToPostDetail = { navController.navigateSingleTopTo(PostDetail.route) }
+ )
+ }
+ //搜索页路由
+ composable(route = Search.route) {
+ SearchScreen(
+ onClickBack = { navController.popBackStack() },
+ onClickToGuideDetail = { navController.navigateSingleTopTo(GuideDetail.route) },
+ onClickToPostDetail = { navController.navigateSingleTopTo(PostDetail.route) },
+ )
+ }
+ //指南详情页路由
+ composable(route = GuideDetail.route) {
+ GuideDetailScreen(onClickBack = { navController.popBackStack() })
+ }
+ //帖子详情页路由
+ composable(route = PostDetail.route) {
+ PostDetailScreen(onClickBack = { navController.popBackStack() })
+ }
+ //用户页路由
+ composable(route = User.route) {
+ UserScreen(
+ onClickToMain = { navController.popBackStack() },
+ onClickToMyPost = { navController.navigateSingleTopTo(MyPost.route) },
+ onClickToPhotograph = { navController.navigateSingleTopTo(Photograph.route) }
+ )
+ }
+ //我的帖子页面路由
+ composable(route = MyPost.route) {
+ MyPostScreen(onClickBack = { navController.popBackStack() })
+ }
+ //拍照页路由
+ composable(route = Photograph.route) {
+ PhotographScreen(onClickToRecognizeResult = {
+ navController.navigateSingleTopTo(
+ RecognizeResult.route
+ )
+ })
+ }
+ //识别结果页路由
+ composable(route = RecognizeResult.route) {
+ RecognizeResultScreen(onClickBack = { navController.popBackStack() })
+ }
+ //指南页路由
+ composable(route = Guide.route) {
+ GuideScreen(
+ onClickToSearch = { navController.navigateSingleTopTo(Search.route) },
+ onClickToGuideDetail = { navController.navigateSingleTopTo(GuideDetail.route) },
+ onClickBack = { navController.popBackStack() }
+ )
+ }
+ //社区页路由
+ composable(route = Community.route) {
+ CommunityScreen(
+ onClickToSearch = { navController.navigateSingleTopTo(Search.route) },
+ onClickToPostDetail = { navController.navigateSingleTopTo(PostDetail.route) },
+ onClickToPostEdit = { navController.navigateSingleTopTo(PostEdit.route) },
+ onClickBack = { navController.popBackStack() }
+ )
+ }
+ //帖子编辑页路由
+ composable(route = PostEdit.route) {
+ PostEditScreen(
+ onClickBack = { navController.popBackStack() }
+ )
+ }
+ }
+}
+
+//如果栈中已经包含了指定要跳转的界面，那么只会保留一个
+fun NavHostController.navigateSingleTopTo(route: String) =
+ this.navigate(route) { launchSingleTop = true }
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Account.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Account.kt
index 92a8f04..f4bc508 100644
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Account.kt
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Account.kt
@@ -1,7 +1,8 @@
package com.example.fruitandvegetableguide.data
+//用户数据类
data class Account(
- val username: String,
val id:Long,
+ val username: String,
val password:String
)
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Guide.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Guide.kt
index 84d7a9a..6b21ffd 100644
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Guide.kt
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Guide.kt
@@ -1,5 +1,6 @@
package com.example.fruitandvegetableguide.data
+//指南数据类
data class Guide(
val id: Long,
val imgId: Int,
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Post.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Post.kt
index 2a068dd..d2a4973 100644
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Post.kt
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/Post.kt
@@ -1,5 +1,6 @@
package com.example.fruitandvegetableguide.data
+//帖子数据类
data class Post(
val id: Long,
val userId: Long,
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/dbutils/DBUtils.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/dbutils/DBUtils.kt
new file mode 100644
index 0000000..b788ade
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/dbutils/DBUtils.kt
@@ -0,0 +1,3 @@
+package com.example.fruitandvegetableguide.data.dbutils
+
+// TODO 这里放数据库工具方法
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalAccountsDataProvider.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalAccountsDataProvider.kt
index 1141a6a..da3f71d 100644
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalAccountsDataProvider.kt
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalAccountsDataProvider.kt
@@ -2,10 +2,11 @@ package com.example.fruitandvegetableguide.data.local
import com.example.fruitandvegetableguide.data.Account
+//本地用户测试数据
object LocalAccountsDataProvider {
val allUserAccounts = mutableListOf(
- Account("aaa",1,"123456"),
- Account("bbb",2,"123456"),
- Account("ccc",3,"123456")
+ Account(1,"aaa","123456"),
+ Account(2,"bbb","123456"),
+ Account(3,"ccc","123456")
)
}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalGuidesDataProvider.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalGuidesDataProvider.kt
index c1f7497..06de5f1 100644
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalGuidesDataProvider.kt
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalGuidesDataProvider.kt
@@ -3,6 +3,7 @@ package com.example.fruitandvegetableguide.data.local
import com.example.fruitandvegetableguide.data.Guide
import com.example.fruitandvegetableguide.R
+//本地指南测试数据
object LocalGuidesDataProvider {
val allGuides = mutableListOf(
Guide(
@@ -12,7 +13,7 @@ object LocalGuidesDataProvider {
"https://ai-public-console.cdn.bcebos.com/portal-pc-static/1694501570778/images/technology/imagerecognition/ingredient/2.jpg",
"一般人皆可食用,尤以[癌症、高血压、夜盲症干眼症、营养不良、皮肤粗糙]者为最。",
"[饮酒过量]者不宜食用",
- "热量: 37千卡, 蛋白质: 1克, 碳水化合物: 8.8克, 膳食纤维3.2克, 胡萝卜素: 4130微克",
+ "热量: 37千卡, 蛋白质: 1克\n碳水化合物: 8.8克, 膳食纤维：3.2克\n 胡萝卜素: 4130微克",
"炝腌萝卜"
),
Guide(
@@ -66,7 +67,7 @@ object LocalGuidesDataProvider {
"番茄乌冬面"
),
Guide(
- 1,
+ 7,
R.drawable.carrots,
"胡萝卜",
"https://ai-public-console.cdn.bcebos.com/portal-pc-static/1694501570778/images/technology/imagerecognition/ingredient/2.jpg",
@@ -76,7 +77,7 @@ object LocalGuidesDataProvider {
"炝腌萝卜"
),
Guide(
- 2,
+ 8,
R.drawable.cucumbers,
"黄瓜",
"https://ai-public-console.cdn.bcebos.com/portal-pc-static/1694501570778/images/technology/imagerecognition/ingredient/3.jpg",
@@ -86,7 +87,7 @@ object LocalGuidesDataProvider {
"黄瓜玉子烧"
),
Guide(
- 3,
+ 9,
R.drawable.tomatoes,
"西红柿",
"https://bkimg.cdn.bcebos.com/pic/0823dd54564e9258d109b7bb1bd4c658ccbf6c81e012?x-bce-process=image/watermark,image_d2F0ZXIvYmFpa2U5Mg==,g_7,xp_5,yp_5/format,f_auto",
@@ -96,7 +97,7 @@ object LocalGuidesDataProvider {
"番茄乌冬面"
),
Guide(
- 4,
+ 10,
R.drawable.carrots,
"胡萝卜",
"https://ai-public-console.cdn.bcebos.com/portal-pc-static/1694501570778/images/technology/imagerecognition/ingredient/2.jpg",
@@ -106,7 +107,7 @@ object LocalGuidesDataProvider {
"炝腌萝卜"
),
Guide(
- 5,
+ 11,
R.drawable.cucumbers,
"黄瓜",
"https://ai-public-console.cdn.bcebos.com/portal-pc-static/1694501570778/images/technology/imagerecognition/ingredient/3.jpg",
@@ -116,7 +117,7 @@ object LocalGuidesDataProvider {
"黄瓜玉子烧"
),
Guide(
- 6,
+ 12,
R.drawable.tomatoes,
"西红柿",
"https://bkimg.cdn.bcebos.com/pic/0823dd54564e9258d109b7bb1bd4c658ccbf6c81e012?x-bce-process=image/watermark,image_d2F0ZXIvYmFpa2U5Mg==,g_7,xp_5,yp_5/format,f_auto",
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalPostsDataProvider.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalPostsDataProvider.kt
index b83fa9f..7e26df7 100644
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalPostsDataProvider.kt
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/data/local/LocalPostsDataProvider.kt
@@ -3,6 +3,7 @@ package com.example.fruitandvegetableguide.data.local
import com.example.fruitandvegetableguide.R
import com.example.fruitandvegetableguide.data.Post
+//本地帖子测试数据
object LocalPostsDataProvider {
val allPosts = mutableListOf(
Post(
@@ -66,7 +67,7 @@ object LocalPostsDataProvider {
"有没有好心人教教如何挑选生姜，大的和小的有什么区别"
),
Post(
- 1,
+ 7,
1,
"白菜怎么挑选",
R.drawable.cabbage,
@@ -76,7 +77,7 @@ object LocalPostsDataProvider {
"黄色菜叶多说明农家肥用得多。一般来说，农家肥种的白菜个头大，菜瓷实，黄色菜叶比较多，吃起来口感也要好一些。颜色发绿的白菜叶片厚实，吃起来口感比较粗，特别耐储存。\n"
),
Post(
- 2,
+ 8,
2,
"关于西瓜的挑选经验",
R.drawable.watermelon,
@@ -88,7 +89,7 @@ object LocalPostsDataProvider {
"5、听声音： 将西瓜托在手里，手指轻轻敲，如果发出“咚、咚”的清脆声，并且托瓜的手有震动的感觉就是熟透的瓜，一般瓜味也会比较甜。"
),
Post(
- 3,
+ 9,
3,
"生姜怎么挑选？",
R.drawable.ginger,
@@ -96,7 +97,7 @@ object LocalPostsDataProvider {
"有没有好心人教教如何挑选生姜，大的和小的有什么区别"
),
Post(
- 4,
+ 10,
1,
"白菜怎么挑选",
R.drawable.cabbage,
@@ -106,7 +107,7 @@ object LocalPostsDataProvider {
"黄色菜叶多说明农家肥用得多。一般来说，农家肥种的白菜个头大，菜瓷实，黄色菜叶比较多，吃起来口感也要好一些。颜色发绿的白菜叶片厚实，吃起来口感比较粗，特别耐储存。\n"
),
Post(
- 5,
+ 11,
2,
"关于西瓜的挑选经验",
R.drawable.watermelon,
@@ -118,7 +119,7 @@ object LocalPostsDataProvider {
"5、听声音： 将西瓜托在手里，手指轻轻敲，如果发出“咚、咚”的清脆声，并且托瓜的手有震动的感觉就是熟透的瓜，一般瓜味也会比较甜。"
),
Post(
- 6,
+ 13,
3,
"生姜怎么挑选？",
R.drawable.ginger,
@@ -126,7 +127,7 @@ object LocalPostsDataProvider {
"有没有好心人教教如何挑选生姜，大的和小的有什么区别"
),
Post(
- 1,
+ 14,
1,
"白菜怎么挑选",
R.drawable.cabbage,
@@ -136,7 +137,7 @@ object LocalPostsDataProvider {
"黄色菜叶多说明农家肥用得多。一般来说，农家肥种的白菜个头大，菜瓷实，黄色菜叶比较多，吃起来口感也要好一些。颜色发绿的白菜叶片厚实，吃起来口感比较粗，特别耐储存。\n"
),
Post(
- 2,
+ 15,
2,
"关于西瓜的挑选经验",
R.drawable.watermelon,
@@ -148,7 +149,7 @@ object LocalPostsDataProvider {
"5、听声音： 将西瓜托在手里，手指轻轻敲，如果发出“咚、咚”的清脆声，并且托瓜的手有震动的感觉就是熟透的瓜，一般瓜味也会比较甜。"
),
Post(
- 3,
+ 16,
3,
"生姜怎么挑选？",
R.drawable.ginger,
@@ -156,7 +157,7 @@ object LocalPostsDataProvider {
"有没有好心人教教如何挑选生姜，大的和小的有什么区别"
),
Post(
- 4,
+ 17,
1,
"白菜怎么挑选",
R.drawable.cabbage,
@@ -166,7 +167,7 @@ object LocalPostsDataProvider {
"黄色菜叶多说明农家肥用得多。一般来说，农家肥种的白菜个头大，菜瓷实，黄色菜叶比较多，吃起来口感也要好一些。颜色发绿的白菜叶片厚实，吃起来口感比较粗，特别耐储存。\n"
),
Post(
- 5,
+ 18,
2,
"关于西瓜的挑选经验",
R.drawable.watermelon,
@@ -178,7 +179,7 @@ object LocalPostsDataProvider {
"5、听声音： 将西瓜托在手里，手指轻轻敲，如果发出“咚、咚”的清脆声，并且托瓜的手有震动的感觉就是熟透的瓜，一般瓜味也会比较甜。"
),
Post(
- 6,
+ 19,
3,
"生姜怎么挑选？",
R.drawable.ginger,
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/ImgRecognitionPage.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/ImgRecognitionPage.kt
deleted file mode 100644
index 132bbe1..0000000
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/ImgRecognitionPage.kt
+++ /dev/null
@@ -1,2 +0,0 @@
-package com.example.fruitandvegetableguide.ui
-
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/LoginActivity.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/LoginActivity.kt
deleted file mode 100644
index 32212cf..0000000
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/LoginActivity.kt
+++ /dev/null
@@ -1,397 +0,0 @@
-@file:OptIn(ExperimentalMaterial3Api::class)
-
-package com.example.fruitandvegetableguide.ui
-
-import android.content.Intent
-import android.os.Bundle
-import android.widget.Toast
-import androidx.activity.compose.setContent
-import androidx.appcompat.app.AppCompatActivity
-import androidx.compose.foundation.Image
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.PaddingValues
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.AccountBox
-import androidx.compose.material.icons.filled.Lock
-import androidx.compose.material3.Button
-import androidx.compose.material3.ButtonDefaults
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.material3.TextField
-import androidx.compose.material3.TextFieldDefaults
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.input.PasswordVisualTransformation
-import androidx.compose.ui.text.input.VisualTransformation
-import androidx.compose.ui.text.style.TextAlign
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.example.fruitandvegetableguide.R
-import com.example.fruitandvegetableguide.data.local.LocalAccountsDataProvider
-import com.example.fruitandvegetableguide.ui.theme.FruitandVegetableGuideTheme
-
-class LoginActivity : AppCompatActivity() {
- override fun onCreate(savedInstanceState: Bundle?) {
- super.onCreate(savedInstanceState)
- setContent {
- FruitandVegetableGuideTheme() {
- Surface(
- modifier = Modifier.fillMaxSize(),
- color = MaterialTheme.colorScheme.background
- ) {
- var username by remember { mutableStateOf("") }
- var password by remember { mutableStateOf("") }
- val pwdVisualTransformation = PasswordVisualTransformation()
- var showPwd by remember { mutableStateOf(true) }
-
- val transformation =
- if (showPwd) pwdVisualTransformation else VisualTransformation.None
- Box(modifier = Modifier.fillMaxSize()) {
- Text(
- text = "注册",
- fontSize = 20.sp,
- textAlign = TextAlign.End,
- modifier = Modifier
- .fillMaxWidth()
- .padding(20.dp)
- )
- Column() {
- Spacer(modifier = Modifier.weight(1f))
- Column(
- modifier = Modifier
- .weight(3f)
- .background(Color.White)
- .padding(40.dp)
- .fillMaxWidth(),
- horizontalAlignment = Alignment.CenterHorizontally,
- verticalArrangement = Arrangement.Center
- ) {
- Column {
- TextField(
- modifier = Modifier.fillMaxWidth(),
- value = username,
- onValueChange = { str -> username = str },
- placeholder = {
- Text("账号")
- },
- colors = TextFieldDefaults.colors(focusedTextColor = Color.Black),
- leadingIcon = {
- Icon(
- imageVector = Icons.Default.AccountBox,
- contentDescription = null
- )
- }
- )
- TextField(
- value = password,
- onValueChange = { str -> password = str },
- modifier = Modifier.fillMaxWidth(),
- placeholder = {
- Text("密码")
- },
- visualTransformation = transformation,
- colors = TextFieldDefaults.colors(focusedTextColor = Color.Black),
- leadingIcon = {
- Icon(
- imageVector = Icons.Default.Lock,
- contentDescription = null
- )
- },
- trailingIcon = {
- if (showPwd) {
- IconButton(onClick = { showPwd = !showPwd }) {
- Icon(
- painter = painterResource(id = R.drawable.sleep),
- contentDescription = null,
- Modifier.size(30.dp)
- )
- }
- } else {
- IconButton(onClick = { showPwd = !showPwd }) {
- Icon(
- painter = painterResource(id = R.drawable.eye),
- contentDescription = null,
- Modifier.size(30.dp)
- )
- }
- }
- }
- )
- }
- Spacer(modifier = Modifier.height(20.dp))
- Row(
- horizontalArrangement = Arrangement.SpaceBetween,
- modifier = Modifier.fillMaxWidth()
- ) {
- Text(text = "快捷登录", fontSize = 16.sp, color = Color.Gray)
- Text(text = "忘记密码", fontSize = 16.sp, color = Color.Gray)
- }
- Spacer(modifier = Modifier.height(20.dp))
- Row(
- horizontalArrangement = Arrangement.Center,
- verticalAlignment = Alignment.CenterVertically
- ) {
- Button(
- onClick = {
- // TODO 2.此处由验证结果实现页面跳转
- if (loginVerification(username, password)) {
- Toast.makeText(
- this@LoginActivity,
- "登陆成功",
- Toast.LENGTH_SHORT
- ).show()
- val intent = Intent(
- this@LoginActivity,
- MainActivity::class.java
- )
- startActivity(intent)
- }
- else{
- Toast.makeText(
- this@LoginActivity,
- "登陆失败",
- Toast.LENGTH_SHORT
- ).show()
- }
- },
- colors = ButtonDefaults.buttonColors(
- containerColor = Color(
- 0xff5c59fe
- )
- ),
- contentPadding = PaddingValues(12.dp, 16.dp)
- ) {
- Text("登录", color = Color.White, fontSize = 18.sp)
- }
- }
- Spacer(modifier = Modifier.height(100.dp))
- Column(
- horizontalAlignment = Alignment.CenterHorizontally,
- verticalArrangement = Arrangement.Center
- ) {
- Row(
- Modifier
- .background(Color(0xFFCFC5C5))
- .padding(end = 10.dp)
- ) {}
- Spacer(modifier = Modifier.height(20.dp))
- Text(text = "第三方登录", fontSize = 16.sp, color = Color.Gray)
- Row(
- Modifier
- .fillMaxWidth()
- .weight(1f),
- horizontalArrangement = Arrangement.Center,
- verticalAlignment = Alignment.Top
- ) {
- repeat(3) {
- Column(
- Modifier.weight(1f),
- verticalArrangement = Arrangement.Center,
- horizontalAlignment = Alignment.CenterHorizontally
- ) {
- Image(
- modifier = Modifier.size(50.dp),
- painter = painterResource(id = R.drawable.qq),
- contentDescription = null
- )
- Text(
- "QQ",
- color = Color(0xffcdcdcd),
- fontSize = 16.sp,
- fontWeight = FontWeight.Bold
- )
- }
- }
- }
- }
- }
- }
- }
- }
- }
- }
- }
-}
-
-private fun loginVerification(username: String, password: String): Boolean {
- // TODO 1.此处需要完成登录验证的相关代码
- return username == LocalAccountsDataProvider.allUserAccounts[0].username && password == LocalAccountsDataProvider.allUserAccounts[0].password
-}
-
-@Composable
-fun LoginForm() {
- var username by remember { mutableStateOf("") }
- var password by remember { mutableStateOf("") }
- val pwdVisualTransformation = PasswordVisualTransformation()
- var showPwd by remember { mutableStateOf(true) }
-
- val transformation = if (showPwd) pwdVisualTransformation else VisualTransformation.None
-
- Box(modifier = Modifier.fillMaxSize()) {
- Text(
- text = "注册",
- fontSize = 20.sp,
- textAlign = TextAlign.End,
- modifier = Modifier
- .fillMaxWidth()
- .padding(20.dp)
- )
- Column() {
- Spacer(modifier = Modifier.weight(1f))
- Column(
- modifier = Modifier
- .weight(3f)
- .background(Color.White)
- .padding(40.dp)
- .fillMaxWidth(),
- horizontalAlignment = Alignment.CenterHorizontally,
- verticalArrangement = Arrangement.Center
- ) {
- Column {
- TextField(
- modifier = Modifier.fillMaxWidth(),
- value = username,
- onValueChange = { str -> username = str },
- placeholder = {
- Text("账号")
- },
- colors = TextFieldDefaults.colors(focusedTextColor = Color.Transparent),
- leadingIcon = {
- Icon(
- imageVector = Icons.Default.AccountBox,
- contentDescription = null
- )
- }
- )
- TextField(
- value = password,
- onValueChange = { str -> password = str },
- modifier = Modifier.fillMaxWidth(),
- placeholder = {
- Text("密码")
- },
- visualTransformation = transformation,
- colors = TextFieldDefaults.colors(focusedTextColor = Color.Transparent),
- leadingIcon = {
- Icon(
- imageVector = Icons.Default.Lock,
- contentDescription = null
- )
- },
- trailingIcon = {
- if (showPwd) {
- IconButton(onClick = { showPwd = !showPwd }) {
- Icon(
- painter = painterResource(id = R.drawable.sleep),
- contentDescription = null,
- Modifier.size(30.dp)
- )
- }
- } else {
- IconButton(onClick = { showPwd = !showPwd }) {
- Icon(
- painter = painterResource(id = R.drawable.eye),
- contentDescription = null,
- Modifier.size(30.dp)
- )
- }
- }
- }
- )
- }
- Spacer(modifier = Modifier.height(20.dp))
- Row(
- horizontalArrangement = Arrangement.SpaceBetween,
- modifier = Modifier.fillMaxWidth()
- ) {
- Text(text = "快捷登录", fontSize = 16.sp, color = Color.Gray)
- Text(text = "忘记密码", fontSize = 16.sp, color = Color.Gray)
- }
- Spacer(modifier = Modifier.height(20.dp))
- Row(
- horizontalArrangement = Arrangement.Center,
- verticalAlignment = Alignment.CenterVertically
- ) {
- Button(
- onClick = {
-// TODO 2.此处由验证结果实现页面跳转
- },
- colors = ButtonDefaults.buttonColors(containerColor = Color(0xff5c59fe)),
- contentPadding = PaddingValues(12.dp, 16.dp)
- ) {
- Text("登录", color = Color.White, fontSize = 18.sp)
- }
- }
- Spacer(modifier = Modifier.height(100.dp))
- Column(
- horizontalAlignment = Alignment.CenterHorizontally,
- verticalArrangement = Arrangement.Center
- ) {
- Row(
- Modifier
- .background(Color(0xFFCFC5C5))
- .padding(end = 10.dp)
- ) {}
- Spacer(modifier = Modifier.height(20.dp))
- Text(text = "第三方登录", fontSize = 16.sp, color = Color.Gray)
- Row(
- Modifier
- .fillMaxWidth()
- .weight(1f),
- horizontalArrangement = Arrangement.Center,
- verticalAlignment = Alignment.Top
- ) {
- repeat(3) {
- Column(
- Modifier.weight(1f),
- verticalArrangement = Arrangement.Center,
- horizontalAlignment = Alignment.CenterHorizontally
- ) {
- Image(
- modifier = Modifier.size(50.dp),
- painter = painterResource(id = R.drawable.qq),
- contentDescription = null
- )
- Text(
- "QQ",
- color = Color(0xffcdcdcd),
- fontSize = 16.sp,
- fontWeight = FontWeight.Bold
- )
- }
- }
- }
- }
- }
- }
- }
-}
-
-@Preview
-@Composable
-fun Login() {
- LoginForm()
-}
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/MainActivity.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/MainActivity.kt
deleted file mode 100644
index d56ae2a..0000000
--- a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/MainActivity.kt
+++ /dev/null
@@ -1,250 +0,0 @@
-package com.example.fruitandvegetableguide.ui
-
-import android.os.Bundle
-import androidx.activity.compose.setContent
-import androidx.annotation.DrawableRes
-import androidx.appcompat.app.AppCompatActivity
-import androidx.compose.foundation.Image
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.PaddingValues
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.heightIn
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.paddingFromBaseline
-import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.layout.width
-import androidx.compose.foundation.lazy.grid.GridCells
-import androidx.compose.foundation.lazy.grid.LazyHorizontalGrid
-import androidx.compose.foundation.lazy.grid.items
-import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.shape.CircleShape
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.AccountCircle
-import androidx.compose.material.icons.filled.Camera
-import androidx.compose.material.icons.filled.Search
-import androidx.compose.material.icons.filled.Spa
-import androidx.compose.material3.Icon
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.NavigationBar
-import androidx.compose.material3.NavigationBarItem
-import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.material3.TextField
-import androidx.compose.material3.TextFieldDefaults
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.layout.ContentScale
-import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import com.example.fruitandvegetableguide.data.local.LocalGuidesDataProvider.allGuides
-import com.example.fruitandvegetableguide.data.local.LocalPostsDataProvider.allPosts
-import com.example.fruitandvegetableguide.ui.theme.FruitandVegetableGuideTheme
-
-class MainActivity : AppCompatActivity() {
- override fun onCreate(savedInstanceState: Bundle?) {
- super.onCreate(savedInstanceState)
- setContent {
- FruitandVegetableGuideTheme() {
- Surface(
- modifier = Modifier.fillMaxSize(),
- color = MaterialTheme.colorScheme.background
- ) {
- MainPage()
- }
- }
- }
- }
-}
-
-//主页
-@Composable
-fun MainPage() {
- FruitandVegetableGuideTheme() {
- Scaffold(bottomBar = { MyBottomNavigation() }) { padding ->
- HomeScreen(modifier = Modifier.padding(padding))
- }
- }
-}
-
-//主屏幕
-@Composable
-fun HomeScreen(modifier: Modifier = Modifier) {
- Column(modifier.verticalScroll(rememberScrollState())) {
- Spacer(modifier = Modifier.height(16.dp))
- SearchBar(Modifier.padding(horizontal = 16.dp))
- HomeSection(title = "指南") {
- GuideRow()
- }
- HomeSection(title = "社区") {
- PostGrid()
- }
- Spacer(modifier = Modifier.height(16.dp))
- }
-}
-
-//搜索框
-@Composable
-fun SearchBar(modifier: Modifier = Modifier) {
- TextField(
- value = "", onValueChange = {},
- leadingIcon = { Icon(imageVector = Icons.Default.Search, contentDescription = null) },
- colors = TextFieldDefaults.colors(
- unfocusedContainerColor = MaterialTheme.colorScheme.surface,
- focusedContainerColor = MaterialTheme.colorScheme.surface
- ),
- placeholder = { Text(text = "搜索") },
- modifier = modifier
- .fillMaxWidth()
- .heightIn(56.dp)
- )
-}
-
-//指南元素
-@Composable
-fun GuideElement(
- modifier: Modifier = Modifier,
- @DrawableRes drawable: Int,
- kind: String
-) {
- Column(
- modifier = modifier,
- horizontalAlignment = Alignment.CenterHorizontally,
- ) {
- Image(
- painter = painterResource(id = drawable),
- contentDescription = null,
- contentScale = ContentScale.Crop,
- modifier = Modifier
- .size(88.dp)
- .clip(CircleShape)
- )
- Text(
- text = kind,
- modifier = Modifier.paddingFromBaseline(top = 24.dp, bottom = 8.dp),
- style = MaterialTheme.typography.bodyMedium
- )
- }
-}
-
-//帖子元素
-@Composable
-fun PostCard(
- modifier: Modifier = Modifier,
- @DrawableRes drawable: Int,
- title: String
-) {
- Surface(
- shape = MaterialTheme.shapes.medium,
- modifier = modifier,
- color = MaterialTheme.colorScheme.surfaceVariant,
- ) {
- Row(
- verticalAlignment = Alignment.CenterVertically,
- modifier = Modifier.width(255.dp)
- ) {
- Image(
- painter = painterResource(id = drawable), contentDescription = null,
- contentScale = ContentScale.Crop,
- modifier = Modifier.size(80.dp)
- )
- Text(
- text = title,
- style = MaterialTheme.typography.titleMedium,
- modifier = Modifier.padding(horizontal = 16.dp)
- )
- }
- }
-}
-
-//指南的网格显示
-@Composable
-fun GuideRow(modifier: Modifier = Modifier) {
- LazyHorizontalGrid(
- rows = GridCells.Fixed(2),
- contentPadding = PaddingValues(horizontal = 16.dp),
- horizontalArrangement = Arrangement.spacedBy(8.dp),
- verticalArrangement = Arrangement.spacedBy(16.dp),
- modifier = modifier.height(240.dp)
- ) {
- items(allGuides) { item -> GuideElement(drawable = item.imgId, kind = item.kind) }
- }
-}
-
-//帖子的网格显示
-@Composable
-fun PostGrid(modifier: Modifier = Modifier) {
- LazyHorizontalGrid(
- rows = GridCells.Fixed(4),
- contentPadding = PaddingValues(horizontal = 16.dp),
- horizontalArrangement = Arrangement.spacedBy(16.dp),
- verticalArrangement = Arrangement.spacedBy(16.dp),
- modifier = modifier.height(288.dp)
- ) {
- items(allPosts) { item -> PostCard(drawable = item.imgId, title = item.title) }
- }
-}
-
-//小组件加上标题
-@Composable
-fun HomeSection(title: String, modifier: Modifier = Modifier, content: @Composable () -> Unit) {
- Column(modifier) {
- Text(
- text = title,
- style = MaterialTheme.typography.titleMedium,
- modifier = Modifier
- .paddingFromBaseline(top = 40.dp, bottom = 16.dp)
- .padding(horizontal = 16.dp)
- )
- content()
- }
-}
-
-//底部导航栏
-@Composable
-fun MyBottomNavigation(modifier: Modifier = Modifier) {
- NavigationBar(containerColor = MaterialTheme.colorScheme.surfaceVariant, modifier = modifier) {
- NavigationBarItem(icon = {
- Icon(
- imageVector = Icons.Default.Spa,
- contentDescription = null
- )
- },
- label = { Text(text = "首页") },
- selected = true,
- onClick = { /*TODO*/ })
- NavigationBarItem(icon = {
- Icon(
- imageVector = Icons.Default.Camera,
- contentDescription = null
- )
- },
- label = { Text(text = "识别")},
- selected = false,
- onClick = { /*TODO*/ })
- NavigationBarItem(icon = {
- Icon(
- imageVector = Icons.Default.AccountCircle,
- contentDescription = null
- )
- }, label = { Text(text = "用户") },
- selected = false,
- onClick = { /*TODO*/ })
- }
-}
-
-//预览
-@Preview(showBackground = true, backgroundColor = 0xFFF5F0EE)
-@Composable
-fun PostPrev() {
- MainPage()
-}
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/CommunityScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/CommunityScreen.kt
new file mode 100644
index 0000000..e9c222f
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/CommunityScreen.kt
@@ -0,0 +1,76 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.community
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun CommunityScreen(
+ onClickToSearch: () -> Unit = {},
+ onClickToPostDetail: () -> Unit = {},
+ onClickToPostEdit: () -> Unit = {},
+ onClickBack: () -> Unit = {},
+) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "社区",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(text = "社区页", modifier = Modifier.align(alignment = Alignment.CenterHorizontally))
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(
+ onClick = onClickToSearch,
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ ) {
+ Text(text = "搜索页")
+ }
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(
+ onClick = onClickToPostDetail,
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ ) {
+ Text(text = "帖子详情页")
+ }
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(
+ onClick = onClickToPostEdit,
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ ) {
+ Text(text = "帖子编辑页")
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/PostDetailScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/PostDetailScreen.kt
new file mode 100644
index 0000000..c1ad9de
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/PostDetailScreen.kt
@@ -0,0 +1,48 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.community
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun PostDetailScreen(onClickBack: () -> Unit) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "PostTitle",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(text = "帖子详情页", modifier = Modifier.align(alignment = Alignment.CenterHorizontally))
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/PostEditScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/PostEditScreen.kt
new file mode 100644
index 0000000..0bb7eb2
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/community/PostEditScreen.kt
@@ -0,0 +1,51 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.community
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Preview(showBackground = true, backgroundColor = 0xFFF5F0EE)
+@Composable
+fun PostEditScreen(
+ onClickBack: () -> Unit = {},
+) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "编辑",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(text = "帖子编辑页", modifier = Modifier.align(alignment = Alignment.CenterHorizontally))
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/guide/GuideDetailScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/guide/GuideDetailScreen.kt
new file mode 100644
index 0000000..da8fb92
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/guide/GuideDetailScreen.kt
@@ -0,0 +1,48 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.guide
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun GuideDetailScreen(onClickBack: () -> Unit) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "GuideTitle",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(text = "指南详情页", modifier = Modifier.align(alignment = Alignment.CenterHorizontally))
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/guide/GuideScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/guide/GuideScreen.kt
new file mode 100644
index 0000000..5b9f6ab
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/guide/GuideScreen.kt
@@ -0,0 +1,68 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.guide
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Preview(showBackground = true, backgroundColor = 0xFFF5F0EE)
+@Composable
+fun GuideScreen(
+ onClickToSearch: () -> Unit = {},
+ onClickToGuideDetail: () -> Unit = {},
+ onClickBack: () -> Unit = {},
+) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "指南",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(text = "指南页", modifier = Modifier.align(alignment = Alignment.CenterHorizontally))
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(
+ onClick = onClickToSearch,
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ ) {
+ Text(text = "搜索页")
+ }
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(
+ onClick = onClickToGuideDetail,
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ ) {
+ Text(text = "指南详情页")
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/imgrecognition/PhotographScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/imgrecognition/PhotographScreen.kt
new file mode 100644
index 0000000..b1c93c1
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/imgrecognition/PhotographScreen.kt
@@ -0,0 +1,46 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.imgrecognition
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Preview(showBackground = true, backgroundColor = 0xFFF5F0EE)
+@Composable
+fun PhotographScreen(onClickToRecognizeResult: () -> Unit = {}) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "拍照",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(text = "拍照页", modifier = Modifier.align(alignment = Alignment.CenterHorizontally))
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(onClick = onClickToRecognizeResult,modifier = Modifier.align(alignment = Alignment.CenterHorizontally)) {
+ Text(text = "识别")
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/imgrecognition/RecognizeResultScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/imgrecognition/RecognizeResultScreen.kt
new file mode 100644
index 0000000..082b3e5
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/imgrecognition/RecognizeResultScreen.kt
@@ -0,0 +1,48 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.imgrecognition
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun RecognizeResultScreen(onClickBack: () -> Unit = {}) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "结果",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(text = "识别结果页", modifier = Modifier.align(alignment = Alignment.CenterHorizontally))
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/login/LoginScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/login/LoginScreen.kt
new file mode 100644
index 0000000..d991df7
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/login/LoginScreen.kt
@@ -0,0 +1,218 @@
+package com.example.fruitandvegetableguide.ui.login
+
+import android.widget.Toast
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AccountBox
+import androidx.compose.material.icons.filled.Lock
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.text.input.VisualTransformation
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.example.fruitandvegetableguide.R
+import com.example.fruitandvegetableguide.utils.loginVerification
+
+@Composable
+fun LoginScreen(
+ onClickToRegister: () -> Unit = {},
+ onClickToMain: (Int) -> Unit = {}
+) {
+ var userid by remember { mutableIntStateOf(-1) }
+ var username by remember { mutableStateOf("") }
+ var password by remember { mutableStateOf("") }
+ val pwdVisualTransformation = PasswordVisualTransformation()
+ var showPwd by remember { mutableStateOf(true) }
+ val transformation = if (showPwd) pwdVisualTransformation else VisualTransformation.None
+ val context = LocalContext.current
+
+ Box(modifier = Modifier.fillMaxSize()) {
+ TextButton(onClick = onClickToRegister) {
+ Text(
+ text = "注册",
+ fontSize = 20.sp,
+ textAlign = TextAlign.End,
+ modifier = Modifier
+ .fillMaxWidth()
+ .padding(20.dp)
+ )
+ }
+ Column {
+ Spacer(modifier = Modifier.weight(1f))
+ Column(
+ modifier = Modifier
+ .weight(3f)
+ .background(Color.White)
+ .padding(40.dp)
+ .fillMaxWidth(),
+ horizontalAlignment = Alignment.CenterHorizontally,
+ verticalArrangement = Arrangement.Center
+ ) {
+ Column {
+ TextField(
+ modifier = Modifier.fillMaxWidth(),
+ value = username,
+ onValueChange = { str -> username = str },
+ placeholder = {
+ Text("账号")
+ },
+ colors = TextFieldDefaults.colors(focusedTextColor = Color.Black),
+ leadingIcon = {
+ Icon(
+ imageVector = Icons.Default.AccountBox,
+ contentDescription = null
+ )
+ }
+ )
+ TextField(
+ value = password,
+ onValueChange = { str -> password = str },
+ modifier = Modifier.fillMaxWidth(),
+ placeholder = {
+ Text("密码")
+ },
+ visualTransformation = transformation,
+ colors = TextFieldDefaults.colors(focusedTextColor = Color.Black),
+ leadingIcon = {
+ Icon(
+ imageVector = Icons.Default.Lock,
+ contentDescription = null
+ )
+ },
+ trailingIcon = {
+ if (showPwd) {
+ IconButton(onClick = { showPwd = !showPwd }) {
+ Icon(
+ painter = painterResource(id = R.drawable.sleep),
+ contentDescription = null,
+ Modifier.size(30.dp)
+ )
+ }
+ } else {
+ IconButton(onClick = { showPwd = !showPwd }) {
+ Icon(
+ painter = painterResource(id = R.drawable.eye),
+ contentDescription = null,
+ Modifier.size(30.dp)
+ )
+ }
+ }
+ }
+ )
+ }
+ Spacer(modifier = Modifier.height(20.dp))
+ Row(
+ horizontalArrangement = Arrangement.SpaceBetween,
+ modifier = Modifier.fillMaxWidth()
+ ) {
+ Text(text = "快捷登录", fontSize = 16.sp, color = Color.Gray)
+ Text(text = "忘记密码", fontSize = 16.sp, color = Color.Gray)
+ }
+ Spacer(modifier = Modifier.height(20.dp))
+ Row(
+ horizontalArrangement = Arrangement.Center,
+ verticalAlignment = Alignment.CenterVertically
+ ) {
+ Button(
+ onClick = {
+ userid = loginVerification(username, password)
+ if (username != "" && password != "" && userid != -1) {
+ Toast.makeText(context, "登陆成功", Toast.LENGTH_SHORT).show()
+ onClickToMain(userid)
+ } else {
+ Toast.makeText(context, "登陆失败", Toast.LENGTH_SHORT).show()
+ }
+ },
+ colors = ButtonDefaults.buttonColors(
+ containerColor = Color(
+ 0xff5c59fe
+ )
+ ),
+ contentPadding = PaddingValues(12.dp, 16.dp)
+ ) {
+ Text("登录", color = Color.White, fontSize = 18.sp)
+ }
+ }
+ Spacer(modifier = Modifier.height(100.dp))
+ Column(
+ horizontalAlignment = Alignment.CenterHorizontally,
+ verticalArrangement = Arrangement.Center
+ ) {
+ Row(
+ Modifier
+ .background(Color(0xFFCFC5C5))
+ .padding(end = 10.dp)
+ ) {}
+ Spacer(modifier = Modifier.height(20.dp))
+ Text(text = "第三方登录", fontSize = 16.sp, color = Color.Gray)
+ Row(
+ Modifier
+ .fillMaxWidth()
+ .weight(1f),
+ horizontalArrangement = Arrangement.Center,
+ verticalAlignment = Alignment.Top
+ ) {
+ repeat(3) {
+ Column(
+ Modifier.weight(1f),
+ verticalArrangement = Arrangement.Center,
+ horizontalAlignment = Alignment.CenterHorizontally
+ ) {
+ Image(
+ modifier = Modifier.size(50.dp),
+ painter = painterResource(id = R.drawable.qq),
+ contentDescription = null
+ )
+ Text(
+ "QQ",
+ color = Color(0xffcdcdcd),
+ fontSize = 16.sp,
+ fontWeight = FontWeight.Bold
+ )
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+@Preview(showBackground = true, backgroundColor = 0xFFF5F0EE)
+@Composable
+fun Login() {
+ LoginScreen()
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/main/MainScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/main/MainScreen.kt
new file mode 100644
index 0000000..c66eca9
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/main/MainScreen.kt
@@ -0,0 +1,346 @@
+package com.example.fruitandvegetableguide.ui.main
+
+import android.widget.ImageButton
+import androidx.annotation.DrawableRes
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.heightIn
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.paddingFromBaseline
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyHorizontalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AccountCircle
+import androidx.compose.material.icons.filled.Camera
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material.icons.filled.Spa
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.example.fruitandvegetableguide.data.local.LocalGuidesDataProvider.allGuides
+import com.example.fruitandvegetableguide.data.local.LocalPostsDataProvider.allPosts
+import com.example.fruitandvegetableguide.ui.theme.FruitandVegetableGuideTheme
+
+//主页
+@Composable
+fun MainScreen(
+ userid: Int?,
+ onClickToSearch: () -> Unit = {},
+ onClickToUser: () -> Unit = {},
+ onClickToPhotograph: () -> Unit = {},
+ onClickToGuide: () -> Unit = {},
+ onClickToCommunity: () -> Unit = {},
+ onClickToGuideDetail: () -> Unit = {},
+ onClickToPostDetail: () -> Unit = {},
+) {
+ FruitandVegetableGuideTheme() {
+ Scaffold(bottomBar = {
+ MyBottomNavigation(
+ onClickToUser = onClickToUser,
+ onClickToPhotograph = onClickToPhotograph
+ )
+ }) { padding ->
+ HomeScreen(
+ modifier = Modifier.padding(padding),
+ onClickToSearch = onClickToSearch,
+ onClickToGuide = onClickToGuide,
+ onClickToCommunity = onClickToCommunity,
+ onClickToGuideDetail = onClickToGuideDetail,
+ onClickToPostDetail = onClickToPostDetail
+ )
+ }
+ }
+}
+
+//主屏幕
+@Composable
+fun HomeScreen(
+ modifier: Modifier = Modifier,
+ onClickToSearch: () -> Unit,
+ onClickToGuide: () -> Unit = {},
+ onClickToCommunity: () -> Unit = {},
+ onClickToGuideDetail: () -> Unit = {},
+ onClickToPostDetail: () -> Unit = {},
+) {
+ Column(modifier.verticalScroll(rememberScrollState())) {
+ Spacer(modifier = Modifier.height(16.dp))
+ SearchBar(
+ Modifier.padding(horizontal = 16.dp),
+ onClickToSearch = onClickToSearch
+ )
+ Column {
+ TextButton(onClick = onClickToGuide) {
+ Text(
+ text = "指南",
+ style = MaterialTheme.typography.titleMedium,
+ modifier = Modifier
+ .paddingFromBaseline(top = 40.dp, bottom = 16.dp)
+ .padding(horizontal = 16.dp)
+ )
+ }
+ GuideGrid(onClickToGuideDetail = onClickToGuideDetail)
+ }
+// HomeSection(title = "指南") {
+// GuideGrid()
+// }
+ Column {
+ TextButton(onClick = onClickToCommunity) {
+ Text(
+ text = "社区",
+ style = MaterialTheme.typography.titleMedium,
+ modifier = Modifier
+ .paddingFromBaseline(top = 40.dp, bottom = 16.dp)
+ .padding(horizontal = 16.dp)
+ )
+ }
+ PostGrid(onClickToPostDetail = onClickToPostDetail)
+ }
+// HomeSection(title = "社区") {
+// PostGrid()
+// }
+ Spacer(modifier = Modifier.height(16.dp))
+ }
+}
+
+//搜索框
+@Composable
+fun SearchBar(
+ modifier: Modifier = Modifier,
+ onClickToSearch: () -> Unit
+) {
+ TextField(
+ value = "", onValueChange = {},
+ leadingIcon = {
+ IconButton(onClick = onClickToSearch) {
+ Icon(imageVector = Icons.Default.Search, contentDescription = null)
+ }
+ },
+ colors = TextFieldDefaults.colors(
+ unfocusedContainerColor = MaterialTheme.colorScheme.surface,
+ focusedContainerColor = MaterialTheme.colorScheme.surface
+ ),
+ placeholder = { Text(text = "搜索") },
+ modifier = modifier
+ .fillMaxWidth()
+ .heightIn(56.dp)
+ )
+}
+
+//指南元素
+@Composable
+fun GuideElement(
+ modifier: Modifier = Modifier,
+ @DrawableRes drawable: Int,
+ kind: String,
+ onClickToGuideDetail: () -> Unit = {},
+) {
+ Button(
+ onClick = onClickToGuideDetail,
+ colors = ButtonDefaults.buttonColors(
+ containerColor = Color.White,
+// contentColor = Color.Black
+ ),
+ contentPadding = PaddingValues(1.dp)
+ ) {
+ Column(
+ modifier = modifier,
+ horizontalAlignment = Alignment.CenterHorizontally,
+ ) {
+ Image(
+ painter = painterResource(id = drawable),
+ contentDescription = null,
+ contentScale = ContentScale.Crop,
+ modifier = Modifier
+ .size(88.dp)
+ .clip(CircleShape)
+ )
+ Text(
+ text = kind,
+ modifier = Modifier.paddingFromBaseline(top = 24.dp, bottom = 8.dp),
+ style = MaterialTheme.typography.bodyMedium,
+ color = Color.Black
+ )
+ }
+
+ }
+}
+
+//帖子元素
+@Composable
+fun PostCard(
+ modifier: Modifier = Modifier,
+ @DrawableRes drawable: Int,
+ title: String,
+ onClickToPostDetail: () -> Unit = {},
+) {
+ Surface(
+ shape = MaterialTheme.shapes.medium,
+ modifier = modifier,
+ color = MaterialTheme.colorScheme.surfaceVariant,
+ ) {
+ Row(
+ verticalAlignment = Alignment.CenterVertically,
+ modifier = Modifier.width(255.dp)
+ ) {
+ Button(
+ onClick = onClickToPostDetail,
+ colors = ButtonDefaults.buttonColors(
+ containerColor = Color.LightGray,
+ )
+ ) {
+ Image(
+ painter = painterResource(id = drawable), contentDescription = null,
+ contentScale = ContentScale.Crop,
+ modifier = Modifier.size(80.dp)
+ )
+ Text(
+ text = title,
+ style = MaterialTheme.typography.titleMedium,
+ modifier = Modifier.padding(horizontal = 16.dp)
+ )
+ }
+
+ }
+ }
+}
+
+//指南的网格显示
+@Preview
+@Composable
+fun GuideGrid(
+ modifier: Modifier = Modifier,
+ onClickToGuideDetail: () -> Unit = {},
+) {
+ LazyHorizontalGrid(
+ rows = GridCells.Fixed(2),
+ contentPadding = PaddingValues(horizontal = 8.dp),
+ horizontalArrangement = Arrangement.spacedBy(8.dp),
+ verticalArrangement = Arrangement.spacedBy(2.dp),
+ modifier = modifier.height(300.dp)
+ ) {
+ items(allGuides) { item ->
+ GuideElement(
+ drawable = item.imgId,
+ kind = item.kind,
+ onClickToGuideDetail = onClickToGuideDetail
+ )
+ }
+ }
+}
+
+//帖子的网格显示
+@Composable
+fun PostGrid(
+ modifier: Modifier = Modifier,
+ onClickToPostDetail: () -> Unit = {},
+) {
+ LazyHorizontalGrid(
+ rows = GridCells.Fixed(4),
+ contentPadding = PaddingValues(horizontal = 16.dp),
+ horizontalArrangement = Arrangement.spacedBy(16.dp),
+ verticalArrangement = Arrangement.spacedBy(16.dp),
+ modifier = modifier.height(300.dp)
+ ) {
+ items(allPosts) { item ->
+ PostCard(
+ drawable = item.imgId,
+ title = item.title,
+ onClickToPostDetail = onClickToPostDetail
+ )
+ }
+ }
+}
+
+//小组件加上标题
+//@Composable
+//fun HomeSection(title: String, modifier: Modifier = Modifier, content: @Composable () -> Unit) {
+// Column(modifier) {
+// Text(
+// text = title,
+// style = MaterialTheme.typography.titleMedium,
+// modifier = Modifier
+// .paddingFromBaseline(top = 40.dp, bottom = 16.dp)
+// .padding(horizontal = 16.dp)
+// )
+// content()
+// }
+//}
+
+//底部导航栏
+@Composable
+fun MyBottomNavigation(
+ modifier: Modifier = Modifier,
+ onClickToUser: () -> Unit = {},
+ onClickToPhotograph: () -> Unit = {},
+) {
+ NavigationBar(containerColor = MaterialTheme.colorScheme.surfaceVariant, modifier = modifier) {
+ NavigationBarItem(icon = {
+ Icon(
+ imageVector = Icons.Default.Spa,
+ contentDescription = null
+ )
+ },
+ label = { Text(text = "首页") },
+ selected = true,
+ onClick = { })
+ NavigationBarItem(
+ icon = {
+ Icon(
+ imageVector = Icons.Default.Camera,
+ contentDescription = null
+ )
+ },
+ label = { Text(text = "识别") },
+ selected = false,
+ onClick = onClickToPhotograph
+ )
+ NavigationBarItem(icon = {
+ Icon(
+ imageVector = Icons.Default.AccountCircle,
+ contentDescription = null
+ )
+ }, label = { Text(text = "用户") },
+ selected = false,
+ onClick = onClickToUser
+ )
+ }
+}
+
+//预览
+//@Preview(showBackground = true, backgroundColor = 0xFFF5F0EE)
+//@Composable
+//fun PostPrev() {
+// MainScreen()
+//}
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/register/RegisterScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/register/RegisterScreen.kt
new file mode 100644
index 0000000..2fd24ba
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/register/RegisterScreen.kt
@@ -0,0 +1,205 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.register
+
+import android.widget.Toast
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AccountBox
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.Lock
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.text.input.VisualTransformation
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.example.fruitandvegetableguide.R
+import com.example.fruitandvegetableguide.utils.register
+
+@Preview(showBackground = true, backgroundColor = 0xFFF5F0EE)
+@Composable
+fun RegisterScreen(onClickBack: () -> Unit = {}) {
+ var username by remember { mutableStateOf("") }
+ var password by remember { mutableStateOf("") }
+ var rePassword by remember { mutableStateOf("") }
+ val pwdVisualTransformation = PasswordVisualTransformation()
+ var showPwd by remember { mutableStateOf(true) }
+ val transformation = if (showPwd) pwdVisualTransformation else VisualTransformation.None
+ val context = LocalContext.current
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "注册",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Column() {
+ Spacer(modifier = Modifier.weight(1f))
+ Column(
+ modifier = Modifier
+ .weight(3f)
+ .background(Color.White)
+ .padding(40.dp)
+ .fillMaxWidth(),
+ horizontalAlignment = Alignment.CenterHorizontally,
+ verticalArrangement = Arrangement.Center
+ ) {
+ Column {
+ TextField(
+ modifier = Modifier.fillMaxWidth(),
+ value = username,
+ onValueChange = { str -> username = str },
+ placeholder = {
+ Text("账号")
+ },
+ colors = TextFieldDefaults.colors(focusedTextColor = Color.Black),
+ leadingIcon = {
+ Icon(
+ imageVector = Icons.Default.AccountBox,
+ contentDescription = null
+ )
+ }
+ )
+ TextField(
+ value = password,
+ onValueChange = { str -> password = str },
+ modifier = Modifier.fillMaxWidth(),
+ placeholder = {
+ Text("密码")
+ },
+ visualTransformation = transformation,
+ colors = TextFieldDefaults.colors(focusedTextColor = Color.Black),
+ leadingIcon = {
+ Icon(
+ imageVector = Icons.Default.Lock,
+ contentDescription = null
+ )
+ },
+ trailingIcon = {
+ if (showPwd) {
+ IconButton(onClick = { showPwd = !showPwd }) {
+ Icon(
+ painter = painterResource(id = R.drawable.sleep),
+ contentDescription = null,
+ Modifier.size(30.dp)
+ )
+ }
+ } else {
+ IconButton(onClick = { showPwd = !showPwd }) {
+ Icon(
+ painter = painterResource(id = R.drawable.eye),
+ contentDescription = null,
+ Modifier.size(30.dp)
+ )
+ }
+ }
+ }
+ )
+ TextField(
+ value = rePassword,
+ onValueChange = { str -> rePassword = str },
+ modifier = Modifier.fillMaxWidth(),
+ placeholder = {
+ Text("再次输入密码")
+ },
+ visualTransformation = transformation,
+ colors = TextFieldDefaults.colors(focusedTextColor = Color.Black),
+ leadingIcon = {
+ Icon(
+ imageVector = Icons.Default.Lock,
+ contentDescription = null
+ )
+ },
+ trailingIcon = {
+ if (showPwd) {
+ IconButton(onClick = { showPwd = !showPwd }) {
+ Icon(
+ painter = painterResource(id = R.drawable.sleep),
+ contentDescription = null,
+ Modifier.size(30.dp)
+ )
+ }
+ } else {
+ IconButton(onClick = { showPwd = !showPwd }) {
+ Icon(
+ painter = painterResource(id = R.drawable.eye),
+ contentDescription = null,
+ Modifier.size(30.dp)
+ )
+ }
+ }
+ }
+ )
+ }
+ Spacer(modifier = Modifier.height(20.dp))
+ Row(
+ horizontalArrangement = Arrangement.Center,
+ verticalAlignment = Alignment.CenterVertically
+ ) {
+ Button(
+ onClick = {
+ if (username != "" && password != "" && password == rePassword && register(
+ username,
+ password
+ )
+ ) {
+ Toast.makeText(context, "注册成功", Toast.LENGTH_SHORT).show()
+ onClickBack()
+ } else {
+ Toast.makeText(context, "注册失败", Toast.LENGTH_SHORT).show()
+ }
+ },
+ colors = ButtonDefaults.buttonColors(
+ containerColor = Color(
+ 0xff5c59fe
+ )
+ ),
+ contentPadding = PaddingValues(12.dp, 16.dp)
+ ) {
+ Text("注册", color = Color.White, fontSize = 18.sp)
+ }
+ }
+ }
+ Spacer(modifier = Modifier.height(120.dp))
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/search/SearchScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/search/SearchScreen.kt
new file mode 100644
index 0000000..6afbcf5
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/search/SearchScreen.kt
@@ -0,0 +1,71 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.search
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Preview(showBackground = true, backgroundColor = 0xFFF5F0EE)
+@Composable
+fun SearchScreen(
+ onClickBack: () -> Unit = {},
+ onClickToGuideDetail: () -> Unit = {},
+ onClickToPostDetail: () -> Unit = {}
+) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "搜索",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(
+ text = "搜索结果页",
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ )
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(
+ onClick = onClickToGuideDetail,
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ ) {
+ Text(text = "指南详情页")
+ }
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(
+ onClick = onClickToPostDetail,
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ ) {
+ Text(text = "帖子详情页")
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/user/MyPostScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/user/MyPostScreen.kt
new file mode 100644
index 0000000..8539336
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/user/MyPostScreen.kt
@@ -0,0 +1,52 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.user
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun MyPostScreen(onClickBack: () -> Unit = {}) {
+ Column(modifier = Modifier.fillMaxSize()) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "MyPost",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ },
+ navigationIcon = {
+ IconButton(onClick = onClickBack) {
+ Icon(
+ imageVector = Icons.Default.ArrowBack,
+ contentDescription = null
+ )
+ }
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(
+ text = "我的帖子页",
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ )
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/user/UserScreen.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/user/UserScreen.kt
new file mode 100644
index 0000000..07daf87
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/ui/user/UserScreen.kt
@@ -0,0 +1,115 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.fruitandvegetableguide.ui.user
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AccountCircle
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.Camera
+import androidx.compose.material.icons.filled.Spa
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun UserScreen(
+ onClickToMain: () -> Unit = {},
+ onClickToMyPost: () -> Unit = {},
+ onClickToPhotograph: () -> Unit = {},
+) {
+ Scaffold(bottomBar = {
+ MyBottomNavigation(
+ onClickToMain = onClickToMain,
+ onClickToPhotograph = onClickToPhotograph
+ )
+ }) { padding ->
+ Column(
+ modifier = Modifier
+ .fillMaxSize()
+ .padding(padding)
+ ) {
+ TopAppBar(
+ modifier = Modifier.fillMaxWidth(),
+ title = {
+ Text(
+ text = "用户",
+ modifier = Modifier
+ .fillMaxWidth()
+ .wrapContentSize(Alignment.Center)
+ )
+ })
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Text(
+ text = "用户页",
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ )
+ Spacer(modifier = Modifier.requiredHeight(10.dp))
+ Button(
+ onClick = onClickToMyPost,
+ modifier = Modifier.align(alignment = Alignment.CenterHorizontally)
+ ) {
+ Text(text = "我的帖子")
+ }
+ }
+ }
+}
+//Unable to match the desired swap behavior.
+//底部导航栏
+@Composable
+fun MyBottomNavigation(
+ modifier: Modifier = Modifier,
+ onClickToMain: () -> Unit = {},
+ onClickToPhotograph: () -> Unit = {},
+) {
+ NavigationBar(containerColor = MaterialTheme.colorScheme.surfaceVariant, modifier = modifier) {
+ NavigationBarItem(
+ icon = {
+ Icon(
+ imageVector = Icons.Default.Spa,
+ contentDescription = null
+ )
+ },
+ label = { Text(text = "首页") },
+ selected = false,
+ onClick = onClickToMain
+ )
+ NavigationBarItem(
+ icon = {
+ Icon(
+ imageVector = Icons.Default.Camera,
+ contentDescription = null
+ )
+ },
+ label = { Text(text = "识别") },
+ selected = false,
+ onClick = onClickToPhotograph
+ )
+ NavigationBarItem(icon = {
+ Icon(
+ imageVector = Icons.Default.AccountCircle,
+ contentDescription = null
+ )
+ }, label = { Text(text = "用户") },
+ selected = true,
+ onClick = { })
+ }
+}
\ No newline at end of file
diff --git a/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/utils/Utils.kt b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/utils/Utils.kt
new file mode 100644
index 0000000..18d2484
--- /dev/null
+++ b/src/FruitandVegetableGuide/app/src/main/java/com/example/fruitandvegetableguide/utils/Utils.kt
@@ -0,0 +1,21 @@
+package com.example.fruitandvegetableguide.utils
+
+
+// TODO 这里放页面逻辑相关代码
+fun loginVerification(username: String, password: String): Int {
+ // TODO 1.登录验证
+ // 输入：username:用户名, password:密码
+ // 逻辑：查询用户表，用户名和密码正确返回id;用户名和密码不匹配返回-1;用户表中没有该用户名返回-1
+ // 输出：id或-1
+ // 将下面的测试代码清空，完成需要的代码，之后的TODO同此
+ return 1
+}
+
+fun register(username: String, password: String): Boolean {
+ // TODO 2.注册
+ // 输入：username:用户名, password:密码
+ // 逻辑：插入用户表;插入成功返回true;插入失败返回false
+ // 输出：true或false
+ // 将下面的测试代码清空，完成需要的代码，之后的TODO同此
+ return true
+}