frtmobileapp · zenghongwei2019 · May 29, 2019
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/app/build.gradle b/app/build.gradle
@@ -25,7 +25,7 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.8.5'
     implementation 'com.github.bumptech.glide:glide:4.5.0'
     annotationProcessor 'com.github.bumptech.glide:compiler:4.5.0'
-    implementation  'com.android.support:recyclerview-v7:28.0.0'
+    implementation 'com.android.support:recyclerview-v7:28.0.0'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -11,6 +11,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
+        <activity
+            android:name=".activity.DeputyActivity"
+            android:label="@string/deputy"></activity>
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

diff --git a/app/src/main/java/com/nd/frt/recentconversation/MainActivity.java b/app/src/main/java/com/nd/frt/recentconversation/MainActivity.java
@@ -1,10 +1,16 @@
 package com.nd.frt.recentconversation;
 
+import android.content.Intent;
 import android.os.Bundle;
+import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.Toast;
 
+import com.nd.frt.recentconversation.activity.DeputyActivity;
 import com.nd.frt.recentconversation.adapter.UserAdapter;
 import com.nd.frt.recentconversation.model.UserInfo;
 import com.nd.frt.recentconversation.service.UserInfoService;
@@ -13,16 +19,53 @@
 
 public class MainActivity extends AppCompatActivity {
 
+    private UserAdapter mUserAdapter;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         UserInfoService userInfoService = new UserInfoService();
         List<UserInfo> userInfos = userInfoService.getUserInfos(this);
-        UserAdapter userAdapter = new UserAdapter(userInfos);
-        RecyclerView recyclerView = (RecyclerView) findViewById(R.id.rvRecyclerView);
+        mUserAdapter = new UserAdapter(userInfos);
+        RecyclerView recyclerView = findViewById(R.id.rvRecyclerView);
         recyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
-        recyclerView.setAdapter(userAdapter);
+        recyclerView.setAdapter(mUserAdapter);
     }
 
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int itemId = item.getItemId();
+        if (itemId == R.id.item_add) {
+            UserInfo userInfo = new UserInfo();
+            userInfo.userName = "zenghongwei";
+            userInfo.content = "1204322350@qq.com";
+            userInfo.avatarUrl = "https://randomuser.me/api/portraits/women/64.jpg";
+            mUserAdapter.add(userInfo);
+            Toast.makeText(this, R.string.item_add, Toast.LENGTH_SHORT).show();
+            return true;
+        } else if (itemId == R.id.item_delete) {
+            Toast.makeText(this, R.string.item_delete, Toast.LENGTH_SHORT).show();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (resultCode == R.string.txt_modify) {
+            if (data != null) {
+                UserInfo userInfo = (UserInfo) data.getSerializableExtra(DeputyActivity.PARAM_USER_INFO);
+                int index = data.getIntExtra(DeputyActivity.PARAM_USER_INDEX,0);
+                mUserAdapter.edit(index, userInfo);
+            }
+        }
+    }
 }
diff --git a/app/src/main/java/com/nd/frt/recentconversation/activity/DeputyActivity.java b/app/src/main/java/com/nd/frt/recentconversation/activity/DeputyActivity.java
@@ -0,0 +1,69 @@
+package com.nd.frt.recentconversation.activity;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.text.Editable;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.nd.frt.recentconversation.R;
+import com.nd.frt.recentconversation.model.UserInfo;
+
+public class DeputyActivity extends AppCompatActivity {
+
+    public static final String PARAM_USER_INFO = "user_info";
+    public static final String PARAM_USER_INDEX = "user_index";
+    private UserInfo mUserInfo;
+    private int mIndex;
+    private EditText mEditText;
+
+    public static void start(Activity context, int index, UserInfo userInfo, int requestCode) {
+        Intent starter = new Intent(context, DeputyActivity.class);
+        starter.putExtra(PARAM_USER_INFO, userInfo);
+        starter.putExtra(PARAM_USER_INDEX, index);
+        context.startActivityForResult(starter, requestCode);
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_deputy);
+        ActionBar supportActionBar = getSupportActionBar();
+        Intent intent = getIntent();
+        mUserInfo = (UserInfo) intent.getSerializableExtra(PARAM_USER_INFO);
+        mIndex = intent.getIntExtra(PARAM_USER_INDEX, 0);
+        assert supportActionBar != null;
+        supportActionBar.setDisplayHomeAsUpEnabled(true);
+        supportActionBar.setTitle(mUserInfo.userName);
+        supportActionBar.setSubtitle(mUserInfo.content);
+        mEditText = findViewById(R.id.et_username);
+        findViewById(R.id.bt_modify)
+                .setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        Editable text = mEditText.getText();
+                        mUserInfo.userName = text.toString();
+                        Intent intentResult = new Intent();
+                        intentResult.putExtra(PARAM_USER_INDEX, mIndex);
+                        intentResult.putExtra(PARAM_USER_INFO, mUserInfo);
+                        setResult(R.string.txt_modify, intentResult);
+                        Toast.makeText(DeputyActivity.this, R.string.txt_modify, Toast.LENGTH_SHORT).show();
+                        finish();
+                    }
+                });
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == android.R.id.home) {
+            finish();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}
diff --git a/app/src/main/java/com/nd/frt/recentconversation/adapter/UserAdapter.java b/app/src/main/java/com/nd/frt/recentconversation/adapter/UserAdapter.java
@@ -1,5 +1,6 @@
 package com.nd.frt.recentconversation.adapter;
 
+import android.app.Activity;
 import android.support.annotation.NonNull;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
@@ -10,6 +11,7 @@
 
 import com.bumptech.glide.Glide;
 import com.nd.frt.recentconversation.R;
+import com.nd.frt.recentconversation.activity.DeputyActivity;
 import com.nd.frt.recentconversation.model.UserInfo;
 import com.nd.frt.recentconversation.viewholder.UserViewHolder;
 
@@ -19,6 +21,7 @@ public class UserAdapter extends RecyclerView.Adapter<UserViewHolder> {
 
     public static final String TAG = UserAdapter.class.getSimpleName();
 
+    private static final int REQUEST_EDIT_USER_INFO = 0x1001;
     private List<UserInfo> mUserInfos;
 
     public UserAdapter(List<UserInfo> userInfos) {
@@ -35,7 +38,7 @@ public UserViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
     }
 
     @Override
-    public void onBindViewHolder(@NonNull UserViewHolder userViewHolder, int position) {
+    public void onBindViewHolder(@NonNull UserViewHolder userViewHolder, final int position) {
         Log.d(TAG, "onBindViewHolder");
         final UserInfo userInfo = mUserInfos.get(position);
         Glide.with(userViewHolder.mIvAvatar).load(userInfo.avatarUrl).into(userViewHolder.mIvAvatar);
@@ -47,10 +50,26 @@ public void onClick(View v) {
                 Toast.makeText(v.getContext(), v.getContext().getString(R.string.hello), Toast.LENGTH_LONG).show();
             }
         });
+        userViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                DeputyActivity.start((Activity) v.getContext() ,position,userInfo,REQUEST_EDIT_USER_INFO);
+            }
+        });
     }
 
     @Override
     public int getItemCount() {
         return mUserInfos.size();
     }
+
+    public void add(UserInfo userInfo){
+        mUserInfos.add(userInfo);
+        notifyDataSetChanged();
+    }
+
+    public void edit(int index,UserInfo userInfo){
+        mUserInfos.set(index,userInfo);
+        notifyDataSetChanged();
+    }
 }
diff --git a/app/src/main/java/com/nd/frt/recentconversation/model/UserInfo.java b/app/src/main/java/com/nd/frt/recentconversation/model/UserInfo.java
@@ -1,6 +1,8 @@
 package com.nd.frt.recentconversation.model;
 
-public class UserInfo {
+import java.io.Serializable;
+
+public class UserInfo implements Serializable {
 
     public String avatarUrl;
     public String userName;

diff --git a/app/src/main/res/layout/activity_deputy.xml b/app/src/main/res/layout/activity_deputy.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout 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"
+    android:orientation="vertical"
+    tools:context=".activity.DeputyActivity">
+
+    <EditText
+        android:id="@+id/et_username"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/et_input" />
+
+    <Button
+        android:id="@+id/bt_modify"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/txt_modify" />
+
+</LinearLayout>
diff --git a/app/src/main/res/menu/main.xml b/app/src/main/res/menu/main.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/item_add"
+        android:icon="@mipmap/ic_launcher"
+        android:orderInCategory="1"
+        android:title="@string/add" />
+
+    <item
+        android:id="@+id/item_delete"
+        android:icon="@mipmap/ic_launcher"
+        android:orderInCategory="1"
+        android:title="@string/delete" />
+
+</menu>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -2,4 +2,11 @@
     <string name="app_name">RecentConversationDemo</string>
     <string name="z">dsdsdsdsdsdsdsdsdsa</string>
     <string name="hello">Hello</string>
+    <string name="item_add">点击添加</string>
+    <string name="item_delete">点击删除</string>
+    <string name="add">添加</string>
+    <string name="delete">删除</string>
+    <string name="deputy">DeputyActivity</string>
+    <string name="et_input">请输入...</string>
+    <string name="txt_modify">修改</string>
 </resources>