Merge pull request 'app' (#2) from develop into main

main
pl8qemw3k 2 years ago
commit 2d4ab36b34

@ -1,15 +0,0 @@
*.iml
.gradle
/local.properties
/.idea/caches
/.idea/libraries
/.idea/modules.xml
/.idea/workspace.xml
/.idea/navEditor.xml
/.idea/assetWizardSettings.xml
.DS_Store
/build
/captures
.externalNativeBuild
.cxx
local.properties

@ -1,4 +0,0 @@
package com.example.myapplication.ui.Buttonfragments;
public class HazardGarbageFragment {
}

@ -1,4 +0,0 @@
package com.example.myapplication.ui.Buttonfragments;
public class KithchenGarbageFragment {
}

@ -1,4 +0,0 @@
package com.example.myapplication.ui.Buttonfragments;
public class OtherGarbageFragment {
}

@ -1,35 +0,0 @@
package com.example.myapplication.ui.home;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;
import com.example.myapplication.databinding.FragmentHomeBinding;
public class HomeFragment extends Fragment {
private FragmentHomeBinding binding;
public View onCreateView(@NonNull LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
HomeViewModel homeViewModel =
new ViewModelProvider(this).get(HomeViewModel.class);
binding = FragmentHomeBinding.inflate(inflater, container, false);
View root = binding.getRoot();
return root;
}
@Override
public void onDestroyView() {
super.onDestroyView();
binding = null;
}
}

@ -1,9 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<gradient android:startColor="#c0000000" android:endColor="#C07C7C7C" android:angle="90" /><!--背景颜色渐变 angle为渐变角度-->
<solid android:color="#c0000000" /><!-- 背景填充颜色 -->
<stroke android:width="3dp" android:color="#c0000000" /><!-- 描边,边框宽度、颜色 -->
<!-- <corners android:radius="10dp" />&lt;!&ndash; 边角圆弧的半径 &ndash;&gt;-->
<padding android:left="3dp" android:top="3dp" android:right="3dp" android:bottom="3dp" /><!-- 四周留出来的空白 -->
</shape>

@ -1,58 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".ui.home.HomeFragment">
<ImageButton
android:id="@id/recycle"
android:layout_width="0dp"
android:layout_height="0dp"
android:src="@drawable/recycle"
android:scaleType="centerInside"
app:layout_constraintWidth_percent="0.25"
app:layout_constraintHeight_percent="0.10"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintStart_toStartOf="parent"
android:background="@android:color/white"
/>
<ImageButton
android:id="@id/kitchen_garbage"
android:src="@drawable/kitchen_garbage"
android:scaleType="centerInside"
app:layout_constraintWidth_percent="0.25"
app:layout_constraintHeight_percent="0.10"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@color/white"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toRightOf="@id/recycle"/>
<ImageButton
app:layout_constraintWidth_percent="0.25"
app:layout_constraintHeight_percent="0.10"
android:scaleType="centerInside"
android:id="@id/other_garbage"
android:src="@drawable/other_garbage"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@color/white"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toRightOf="@id/kitchen_garbage"/>
<ImageButton
app:layout_constraintWidth_percent="0.25"
app:layout_constraintHeight_percent="0.10"
android:scaleType="centerInside"
android:id="@id/hazardous_waste"
android:src="@drawable/hazardous_waste"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@color/white"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toRightOf="@id/other_garbage"/>
<FrameLayout
android:id="@+id/content_container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</androidx.constraintlayout.widget.ConstraintLayout>

@ -1,5 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
</androidx.constraintlayout.widget.ConstraintLayout>

@ -1,6 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
</androidx.constraintlayout.widget.ConstraintLayout>

@ -1,6 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
</androidx.constraintlayout.widget.ConstraintLayout>

@ -1,25 +0,0 @@
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".ui.Buttonfragments.RecycleGarbageFragment">
<ImageView
android:id="@+id/img"
android:layout_width="405dp"
android:layout_height="143dp"
android:src="@drawable/recycle_garbage"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="可回收物就是再生资源,指生活垃圾中未经污染、适宜回收循环利用的废物。
主要包括废弃电器电子产品、废纸张、废塑料、废玻璃、废金属等五类"
app:layout_constraintBaseline_toBottomOf="@+id/img"
app:layout_constraintLeft_toLeftOf="parent"
tools:layout_editor_absoluteY="143dp" />
</androidx.constraintlayout.widget.ConstraintLayout>

@ -1,5 +0,0 @@
// Top-level build file where you can add configuration options common to all sub-projects/modules.
plugins {
id 'com.android.application' version '7.4.2' apply false
id 'com.android.library' version '7.4.2' apply false
}

@ -1,40 +0,0 @@
plugins {
id 'com.android.application'
}
android {
namespace 'com.example.chapter1'
compileSdk 33
defaultConfig {
applicationId "com.example.chapter1"
minSdk 24
targetSdk 33
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation 'androidx.appcompat:appcompat:1.4.1'
implementation 'com.google.android.material:material:1.5.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
testImplementation 'junit:junit:4.13.2'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}

@ -1,21 +0,0 @@
# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile

@ -1,26 +0,0 @@
package com.example.chapter1;
import android.content.Context;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Instrumented test, which will execute on an Android device.
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
@Test
public void useAppContext() {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
assertEquals("com.example.chapter1", appContext.getPackageName());
}
}

@ -1,22 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/Theme.MyApplication">
<activity
android:name=".MainActivity"
android:theme="@style/Theme.AppCompat"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

@ -1,32 +0,0 @@
package com.example.chapter1;
import android.os.Bundle;
import android.view.View;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTheme(androidx.appcompat.R.style.Theme_AppCompat);
setContentView(R.layout.activity_main);
// 获取 FloatingActionButton 对象
FloatingActionButton fab = findViewById(R.id.fab);
// 添加 FloatingActionButton 的点击事件监听器
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// 处理 FloatingActionButton 的点击事件
}
});
// 其他初始化操作和逻辑处理
}
}

@ -1,66 +0,0 @@
package com.example.chapter1.fragment;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.example.chapter1.R;
/**
* A simple {@link Fragment} subclass.
* Use the {@link BlankFragment#newInstance} factory method to
* create an instance of this fragment.
*/
public class BlankFragment extends Fragment {
// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
public BlankFragment() {
// Required empty public constructor
}
/**
* Use this factory method to create a new instance of
* this fragment using the provided parameters.
*
* @param param1 Parameter 1.
* @param param2 Parameter 2.
* @return A new instance of fragment BlankFragment.
*/
// TODO: Rename and change types and number of parameters
public static BlankFragment newInstance(String param1, String param2) {
BlankFragment fragment = new BlankFragment();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_blank, container, false);
}
}

@ -1,23 +0,0 @@
package com.example.chapter1.fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.fragment.app.Fragment;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.example.chapter1.R;
class ScrollingFragment extends Fragment {
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater,
@Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_scrolling, container, false);
}
}

@ -1,30 +0,0 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
<aapt:attr name="android:fillColor">
<gradient
android:endX="85.84757"
android:endY="92.4963"
android:startX="42.9492"
android:startY="49.59793"
android:type="linear">
<item
android:color="#44000000"
android:offset="0.0" />
<item
android:color="#00000000"
android:offset="1.0" />
</gradient>
</aapt:attr>
</path>
<path
android:fillColor="#FFFFFF"
android:fillType="nonZero"
android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
android:strokeWidth="1"
android:strokeColor="#00000000" />
</vector>

@ -1,170 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path
android:fillColor="#3DDC84"
android:pathData="M0,0h108v108h-108z" />
<path
android:fillColor="#00000000"
android:pathData="M9,0L9,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,0L19,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M29,0L29,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M39,0L39,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M49,0L49,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M59,0L59,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M69,0L69,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
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android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M89,0L89,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M99,0L99,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,9L108,9"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,19L108,19"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,29L108,29"
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android:strokeColor="#33FFFFFF" />
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android:fillColor="#00000000"
android:pathData="M0,39L108,39"
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android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,69L108,69"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,79L108,79"
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android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
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android:strokeColor="#33FFFFFF" />
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android:strokeColor="#33FFFFFF" />
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android:fillColor="#00000000"
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android:fillColor="#00000000"
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android:fillColor="#00000000"
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android:strokeColor="#33FFFFFF" />
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android:strokeColor="#33FFFFFF" />
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android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
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@ -1,46 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.coordinatorlayout.widget.CoordinatorLayout
android:id="@+id/coordinator_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- 添加其他布局和控件 -->
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.google.android.material.appbar.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<!-- 添加折叠式工具栏的内容 -->
</com.google.android.material.appbar.CollapsingToolbarLayout>
</com.google.android.material.appbar.AppBarLayout>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="16dp"
app:layout_anchor="@id/coordinator_layout"
app:layout_anchorGravity="bottom|end" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

@ -1,14 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".fragment.BlankFragment">
<!-- TODO: Update blank fragment layout -->
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="@string/hello_blank_fragment" />
</FrameLayout>

@ -1,13 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".fragment.ScrollingFragment">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="@dimen/text_margin"
android:text="@string/large_text" />
</androidx.core.widget.NestedScrollView>

@ -1,5 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

@ -1,5 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

@ -1,6 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
<monochrome android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

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@ -1,16 +0,0 @@
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.MyApplication" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
<!-- Primary brand color. -->
<item name="colorPrimary">@color/purple_200</item>
<item name="colorPrimaryVariant">@color/purple_700</item>
<item name="colorOnPrimary">@color/black</item>
<!-- Secondary brand color. -->
<item name="colorSecondary">@color/teal_200</item>
<item name="colorSecondaryVariant">@color/teal_200</item>
<item name="colorOnSecondary">@color/black</item>
<!-- Status bar color. -->
<item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
<!-- Customize your theme here. -->
</style>
</resources>

@ -1,10 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="purple_200">#FFBB86FC</color>
<color name="purple_500">#FF6200EE</color>
<color name="purple_700">#FF3700B3</color>
<color name="teal_200">#FF03DAC5</color>
<color name="teal_700">#FF018786</color>
<color name="black">#FF000000</color>
<color name="white">#FFFFFFFF</color>
</resources>

@ -1,3 +0,0 @@
<resources>
<dimen name="text_margin">16dp</dimen>
</resources>

@ -1,94 +0,0 @@
<resources>
<string name="app_name">chapter1</string>
<string name="large_text">
"Material is the metaphor.\n\n"
"A material metaphor is the unifying theory of a rationalized space and a system of motion."
"The material is grounded in tactile reality, inspired by the study of paper and ink, yet "
"technologically advanced and open to imagination and magic.\n"
"Surfaces and edges of the material provide visual cues that are grounded in reality. The "
"use of familiar tactile attributes helps users quickly understand affordances. Yet the "
"flexibility of the material creates new affordances that supercede those in the physical "
"world, without breaking the rules of physics.\n"
"The fundamentals of light, surface, and movement are key to conveying how objects move, "
"interact, and exist in space and in relation to each other. Realistic lighting shows "
"seams, divides space, and indicates moving parts.\n\n"
"Bold, graphic, intentional.\n\n"
"The foundational elements of print based design typography, grids, space, scale, color, "
"and use of imagery guide visual treatments. These elements do far more than please the "
"eye. They create hierarchy, meaning, and focus. Deliberate color choices, edge to edge "
"imagery, large scale typography, and intentional white space create a bold and graphic "
"interface that immerse the user in the experience.\n"
"An emphasis on user actions makes core functionality immediately apparent and provides "
"waypoints for the user.\n\n"
"Motion provides meaning.\n\n"
"Motion respects and reinforces the user as the prime mover. Primary user actions are "
"inflection points that initiate motion, transforming the whole design.\n"
"All action takes place in a single environment. Objects are presented to the user without "
"breaking the continuity of experience even as they transform and reorganize.\n"
"Motion is meaningful and appropriate, serving to focus attention and maintain continuity. "
"Feedback is subtle yet clear. Transitions are efficient yet coherent.\n\n"
"3D world.\n\n"
"The material environment is a 3D space, which means all objects have x, y, and z "
"dimensions. The z-axis is perpendicularly aligned to the plane of the display, with the "
"positive z-axis extending towards the viewer. Every sheet of material occupies a single "
"position along the z-axis and has a standard 1dp thickness.\n"
"On the web, the z-axis is used for layering and not for perspective. The 3D world is "
"emulated by manipulating the y-axis.\n\n"
"Light and shadow.\n\n"
"Within the material environment, virtual lights illuminate the scene. Key lights create "
"directional shadows, while ambient light creates soft shadows from all angles.\n"
"Shadows in the material environment are cast by these two light sources. In Android "
"development, shadows occur when light sources are blocked by sheets of material at "
"various positions along the z-axis. On the web, shadows are depicted by manipulating the "
"y-axis only. The following example shows the card with a height of 6dp.\n\n"
"Resting elevation.\n\n"
"All material objects, regardless of size, have a resting elevation, or default elevation "
"that does not change. If an object changes elevation, it should return to its resting "
"elevation as soon as possible.\n\n"
"Component elevations.\n\n"
"The resting elevation for a component type is consistent across apps (e.g., FAB elevation "
"does not vary from 6dp in one app to 16dp in another app).\n"
"Components may have different resting elevations across platforms, depending on the depth "
"of the environment (e.g., TV has a greater depth than mobile or desktop).\n\n"
"Responsive elevation and dynamic elevation offsets.\n\n"
"Some component types have responsive elevation, meaning they change elevation in response "
"to user input (e.g., normal, focused, and pressed) or system events. These elevation "
"changes are consistently implemented using dynamic elevation offsets.\n"
"Dynamic elevation offsets are the goal elevation that a component moves towards, relative "
"to the components resting state. They ensure that elevation changes are consistent "
"across actions and component types. For example, all components that lift on press have "
"the same elevation change relative to their resting elevation.\n"
"Once the input event is completed or cancelled, the component will return to its resting "
"elevation.\n\n"
"Avoiding elevation interference.\n\n"
"Components with responsive elevations may encounter other components as they move between "
"their resting elevations and dynamic elevation offsets. Because material cannot pass "
"through other material, components avoid interfering with one another any number of ways, "
"whether on a per component basis or using the entire app layout.\n"
"On a component level, components can move or be removed before they cause interference. "
"For example, a floating action button (FAB) can disappear or move off screen before a "
"user picks up a card, or it can move if a snackbar appears.\n"
"On the layout level, design your app layout to minimize opportunities for interference. "
"For example, position the FAB to one side of stream of a cards so the FAB wont interfere "
"when a user tries to pick up one of cards.\n\n"
</string>
<!-- TODO: Remove or change this placeholder text -->
<string name="hello_blank_fragment">Hello blank fragment</string>
</resources>

@ -1,16 +0,0 @@
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.MyApplication" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
<!-- Primary brand color. -->
<item name="colorPrimary">@color/purple_500</item>
<item name="colorPrimaryVariant">@color/purple_700</item>
<item name="colorOnPrimary">@color/white</item>
<!-- Secondary brand color. -->
<item name="colorSecondary">@color/teal_200</item>
<item name="colorSecondaryVariant">@color/teal_700</item>
<item name="colorOnSecondary">@color/black</item>
<!-- Status bar color. -->
<item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
<!-- Customize your theme here. -->
</style>
</resources>

@ -1,17 +0,0 @@
package com.example.chapter1;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Example local unit test, which will execute on the development machine (host).
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
public class ExampleUnitTest {
@Test
public void addition_isCorrect() {
assertEquals(4, 2 + 2);
}
}

@ -1,21 +0,0 @@
# Project-wide Gradle settings.
# IDE (e.g. Android Studio) users:
# Gradle settings configured through the IDE *will override*
# any settings specified in this file.
# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html
# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
# org.gradle.parallel=true
# AndroidX package structure to make it clearer which packages are bundled with the
# Android operating system, and which are packaged with your app's APK
# https://developer.android.com/topic/libraries/support-library/androidx-rn
android.useAndroidX=true
# Enables namespacing of each library's R class so that its R class includes only the
# resources declared in the library itself and none from the library's dependencies,
# thereby reducing the size of the R class for that library
android.nonTransitiveRClass=true

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@ -1,6 +0,0 @@
#Sat Sep 02 22:41:29 CST 2023
distributionBase=GRADLE_USER_HOME
distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
distributionPath=wrapper/dists
zipStorePath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME

@ -1,185 +0,0 @@
#!/usr/bin/env sh
#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
exec "$JAVACMD" "$@"

@ -1,89 +0,0 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

@ -1,17 +0,0 @@
pluginManagement {
repositories {
google()
mavenCentral()
gradlePluginPortal()
}
}
dependencyResolutionManagement {
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
repositories {
google()
mavenCentral()
}
}
rootProject.name = "My Application"
include ':app'
include ':chapter1'

@ -0,0 +1,3 @@
# Default ignored files
/shelf/
/workspace.xml

@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="testRunner" value="PLATFORM" />
<option name="distributionType" value="DEFAULT_WRAPPED" />
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="resolveModulePerSourceSet" value="false" />
</GradleProjectSettings>
</option>
</component>
</project>

@ -0,0 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" project-jdk-name="11" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
<component name="ProjectType">
<option name="id" value="Android" />
</component>
</project>

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/modules/app.iml" filepath="$PROJECT_DIR$/.idea/modules/app.iml" />
</modules>
</component>
</project>

@ -0,0 +1,18 @@
<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.id=":" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="android-gradle" name="Android-Gradle">
<configuration>
<option name="GRADLE_PROJECT_PATH" value=":" />
<option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" />
<option name="LAST_KNOWN_AGP_VERSION" />
</configuration>
</facet>
</component>
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$/../.." />
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

@ -0,0 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RunConfigurationProducerService">
<option name="ignoredProducers">
<set>
<option value="com.android.tools.idea.compose.preview.runconfiguration.ComposePreviewRunConfigurationProducer" />
</set>
</option>
</component>
</project>

@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
</component>
</project>

@ -0,0 +1,8 @@
## This file must *NOT* be checked into Version Control Systems,
# as it contains information specific to your local configuration.
#
# Location of the SDK. This is only used by Gradle.
# For customization when using a Version Control System, please read the
# header note.
#Mon Sep 25 09:53:48 CST 2023
sdk.dir=E\:\\Android_SDK

@ -1,7 +1,12 @@
package com.example.myapplication;
import android.media.Image;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageButton;
import com.example.myapplication.ui.Buttonfragments.RecycleGarbageFragment;
import com.google.android.material.bottomnavigation.BottomNavigationView;
@ -15,24 +20,19 @@ import androidx.navigation.ui.NavigationUI;
import com.example.myapplication.databinding.BottomNavigiationBinding;
public class BottomNavigiationActivity extends AppCompatActivity implements View.OnClickListener {
import java.util.List;
private BottomNavigiationBinding binding;
private Fragment recycleGarbageFragment;
private Fragment kitchenGarbageFragment;
public class BottomNavigiationActivity extends AppCompatActivity{
private Fragment otherGarbageFragment;
private Fragment hazardGarbageFragment;
private BottomNavigiationBinding binding;
@Override
protected void onCreate(Bundle savedInstanceState) {
// Log.d("wc","create");
super.onCreate(savedInstanceState);
binding = BottomNavigiationBinding.inflate(getLayoutInflater());
setContentView(binding.getRoot());
BottomNavigationView navView = findViewById(R.id.nav_view);
recycleGarbageFragment=new RecycleGarbageFragment();
// Passing each menu ID as a set of Ids because each
// menu should be considered as top level destinations.
AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
@ -42,25 +42,4 @@ public class BottomNavigiationActivity extends AppCompatActivity implements View
NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
NavigationUI.setupWithNavController(binding.navView, navController);
}
@Override
public void onClick(View view) {
Fragment curFragment = getSupportFragmentManager().findFragmentById(R.id.content_container);
Fragment targetFargment = null;
switch (view.getId()) {
case R.id.recycle:
targetFargment=recycleGarbageFragment;
break;
case R.id.kitchen_garbage:
targetFargment=kitchenGarbageFragment;
break;
case R.id.other_garbage:
targetFargment=otherGarbageFragment;
break;
case R.id.hazardous_waste:
targetFargment=hazardGarbageFragment;
break;
}
getSupportFragmentManager().beginTransaction().replace(R.id.content_container,targetFargment).commit();
}
}

@ -0,0 +1,23 @@
package com.example.myapplication.ui.Buttonfragments;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.fragment.app.Fragment;
import com.example.myapplication.R;
public class HazardGarbageFragment extends Fragment {
public HazardGarbageFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.hazard_garbage, container, false);
}
}

@ -0,0 +1,23 @@
package com.example.myapplication.ui.Buttonfragments;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.fragment.app.Fragment;
import com.example.myapplication.R;
public class KitchenGarbageFragment extends Fragment {
public KitchenGarbageFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.kitchen_garbage, container, false);
}
}

@ -0,0 +1,23 @@
package com.example.myapplication.ui.Buttonfragments;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.fragment.app.Fragment;
import com.example.myapplication.R;
public class OtherGarbageFragment extends Fragment {
public OtherGarbageFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.other_garbage, container, false);
}
}

@ -0,0 +1,76 @@
package com.example.myapplication.ui.home;
import android.media.Image;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import com.example.myapplication.R;
import com.example.myapplication.databinding.FragmentHomeBinding;
import com.example.myapplication.ui.Buttonfragments.HazardGarbageFragment;
import com.example.myapplication.ui.Buttonfragments.KitchenGarbageFragment;
import com.example.myapplication.ui.Buttonfragments.OtherGarbageFragment;
import com.example.myapplication.ui.Buttonfragments.RecycleGarbageFragment;
public class HomeFragment extends Fragment {
private Fragment recycleGarbageFragment;
private ImageButton recycleButton;
private ImageButton kitchenButton;
private ImageButton otherButton;
private ImageButton hazardButton;
private FragmentHomeBinding binding;
public View onCreateView(@NonNull LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
binding = FragmentHomeBinding.inflate(inflater, container, false);
View root = binding.getRoot();
recycleButton = root.findViewById(R.id.recycle);
kitchenButton = root.findViewById(R.id.kitchen_garbage);
otherButton = root.findViewById(R.id.other_garbage);
hazardButton = root.findViewById(R.id.hazardous_waste);
recycleButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
FragmentManager fragmentManager = getParentFragmentManager();
fragmentManager.beginTransaction().replace(R.id.content_container, new RecycleGarbageFragment()).commit();
}
});
recycleButton.performClick();
kitchenButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
FragmentManager fragmentManager = getParentFragmentManager();
fragmentManager.beginTransaction().replace(R.id.content_container, new KitchenGarbageFragment()).commit();
}
});
otherButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
FragmentManager fragmentManager = getParentFragmentManager();
fragmentManager.beginTransaction().replace(R.id.content_container, new OtherGarbageFragment()).commit();
}
});
hazardButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
FragmentManager fragmentManager = getParentFragmentManager();
fragmentManager.beginTransaction().replace(R.id.content_container, new HazardGarbageFragment()).commit();
}
});
return root;
}
@Override
public void onDestroyView() {
super.onDestroyView();
binding = null;
}
}

@ -0,0 +1,8 @@
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true">
<color android:color="@color/grey" /> <!-- 点击时的背景颜色 -->
</item>
<item>
<color android:color="#FFFFFF" /> <!-- 默认状态下的背景颜色 -->
</item>
</selector>

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