Merge remote-tracking branch 'origin/master'

# Conflicts:
#	app/src/main/res/layout/activity_main.xml

app/src/main/java/com/example/cmknowledgegraph/LoginActivity.java

@@ -3,6 +3,7 @@ package com.example.cmknowledgegraph;
 import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
@@ -18,6 +19,7 @@ import Schema.OperaSchema;
 public class LoginActivity extends AppCompatActivity {
     public static String username;
     public static int usersuccess = 0;
+    public static boolean isLogin=false;//登录属性，true登陆成功，false未登录
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -29,7 +31,12 @@ public class LoginActivity extends AppCompatActivity {
         /**
          * 登录按钮，传递参数：手机号(int)、密码(string)
          */
-        Button login_btn=findViewById(R.id.login_btn);
+
+        LayoutInflater inflater = getLayoutInflater();
+        View layout = inflater.inflate(R.layout.activity_personality_center, null);
+        final Button welcom_btn= layout.findViewById(R.id.welcom_btn);
+
+        final Button login_btn=findViewById(R.id.login_btn);
         login_btn.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -49,7 +56,7 @@ public class LoginActivity extends AppCompatActivity {
                     String password = password_edit.getText().toString();
                     //调用数据库类中的方法进行登录
 //                boolean isLogin= OperaSchema.longin(tel,password);//原来的数据库
-                    Login login = new Login(tel, password);
+                    final Login login = new Login(tel, password);
 
                     new Thread(new Runnable() {
                         @Override
@@ -69,6 +76,8 @@ public class LoginActivity extends AppCompatActivity {
                     }
 
                     if (!LoginActivity.username.equals("")) {
+                        //改变个人中心的登录状态，
+                        isLogin=true;
                         finish();//返回个人中心Activity
                         //刷新个人中心Activity
                         Log.i("成功", "成功了");

app/src/main/java/com/example/cmknowledgegraph/PersonContent.java

@@ -12,6 +12,7 @@ import androidx.fragment.app.Fragment;
 
 public class PersonContent extends Fragment {
 
+
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
@@ -25,10 +26,23 @@ public class PersonContent extends Fragment {
         login_pc_btn.setOnClickListener(new View.OnClickListener() {
             public void onClick(View v) {
                 //跳转到LoginActivity
-                Intent intent=new Intent();
-                intent.setClass(getActivity(),LoginActivity.class);
-                startActivity(intent);
+                if(!LoginActivity.isLogin){
+                    Intent intent=new Intent();
+                    intent.setClass(getActivity(),LoginActivity.class);
+                    startActivity(intent);
+                }
             }
         });
     }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        if(LoginActivity.isLogin){
+            Button longin_pc_btn=(Button) getActivity().findViewById(R.id.login_pc_button);
+            longin_pc_btn.setText("欢迎");
+        }
+
+
+    }
 }

app/src/main/java/com/example/cmknowledgegraph/PersonalityCenterActivity.java

@@ -16,17 +16,7 @@ public class PersonalityCenterActivity extends AppCompatActivity {
         Log.i("PersonalityCenterActivity","个人中心");
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_personality_center);
-
-        Button longin_pc_btn=(Button) findViewById(R.id.login_pc_button);
-        longin_pc_btn.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                //跳转到LoginActivity
-                Intent intent=new Intent();
-                intent.setClass(PersonalityCenterActivity.this,LoginActivity.class);
-                startActivity(intent);
-                Log.i("PersonalityCenterActivity","点击");
-            }
-        });
     }
+
+
 }

app/src/main/java/com/example/cmknowledgegraph/RegisterActivity.java

@@ -55,7 +55,7 @@ public class RegisterActivity extends AppCompatActivity {
                     String NickName = nickname_edit.getText().toString();
                     //调用数据库类方法进行注册
 //                boolean isRegister= OperaSchema.register(tel,NickName,password);//原来的数据连接
-                    Register register = new Register(tel, NickName, password);
+                    final Register register = new Register(tel, NickName, password);
 
                     new Thread(new Runnable() {
                         @Override

app/src/main/res/layout/activity_personality_center.xml

@@ -22,8 +22,18 @@
         android:text="登录"
         android:textSize="20sp"
         android:background="#FFDAB9"
-        android:layout_marginLeft="157dp"/>
+        android:layout_marginLeft="157dp"
+        android:visibility="visible"/>
 
+    <Button
+        android:id="@+id/welcom_btn"
+        android:layout_width="100dp"
+        android:layout_height="50dp"
+        android:text="欢迎"
+        android:textSize="20sp"
+        android:background="#FFDAB9"
+        android:layout_marginLeft="157dp"
+        android:visibility="gone"/>
     <View
         android:layout_marginTop="20dp"
         android:layout_height="1px"

app/src/main/res/layout/activity_search.xml

@@ -12,6 +12,7 @@
         android:layout_height="wrap_content"
         android:layout_marginTop="101dp">
         <EditText
+            android:id="@+id/search_edit"
             android:layout_width="250dp"
             android:layout_height="wrap_content"
             android:layout_marginLeft="80dp"