17023149 邹伟强 95

app/src/main/AndroidManifest.xml

@@ -10,14 +10,6 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
-    </application>
+        android:theme="@style/AppTheme"></application>
 
 </manifest>

app/src/main/java/com/nd/frt/recentconversation/MainActivity.java

@@ -1,28 +1,68 @@
 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 com.nd.frt.recentconversation.adapter.UserAdapter;
+import com.nd.frt.recentconversation.activity.DetailActivity;
+import com.nd.frt.recentconversation.adapter.Useradapter;
 import com.nd.frt.recentconversation.model.UserInfo;
 import com.nd.frt.recentconversation.service.UserInfoService;
 
 import java.util.List;
 
 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);
-        recyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
-        recyclerView.setAdapter(userAdapter);
+        RecyclerView rvUsers = findViewById(R.id.rvUsers);
+        rvUsers.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL,false));
+        mUserAdapter = new Useradapter(userInfos);
+        rvUsers.setAdapter(mUserAdapter);
+
+
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_main,menu);
+        return true;
     }
 
-}
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == R.id.menu_add){
+            UserInfo userInfo = new UserInfo();
+            userInfo.userName = "zouweiqiang";
+            userInfo.content = "1070911992@qq.com";
+            userInfo.avatarUrl = "https://randomuser.me/api/portraits/women/94.jpg";
+            mUserAdapter.add(userInfo);
+            return super.onOptionsItemSelected(item);
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == RESULT_OK){
+            if (data != null) {
+                UserInfo userInfo = (UserInfo) data.getSerializableExtra((DetailActivity.PARAM_USER_INFO));
+                int index = data.getIntExtra(DetailActivity.PARAM_USER_INDEX,0);
+                mUserAdapter.edit(index,userInfo);
+            }
+        }
+    }
+}

app/src/main/java/com/nd/frt/recentconversation/activity/DetailActivity.java

@@ -0,0 +1,68 @@
+package com.nd.frt.recentconversation.activity;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.ImageView;
+
+import com.bumptech.glide.Glide;
+import com.nd.frt.recentconversation.R;
+import com.nd.frt.recentconversation.model.UserInfo;
+
+public class DetailActivity 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 mUserIndex;
+
+    public static void start(Activity context, int index, UserInfo userInfo, int requestCode) {
+        Intent starter = new Intent(context, DetailActivity.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_detail);
+        ActionBar supportActionBar = getSupportActionBar();
+        assert supportActionBar != null;
+        supportActionBar.setDisplayHomeAsUpEnabled(true);
+        Intent intent = getIntent();
+        mUserInfo = ((UserInfo) intent.getSerializableExtra(PARAM_USER_INFO));
+        mUserIndex = intent.getIntExtra(PARAM_USER_INDEX,0);
+        supportActionBar.setTitle(mUserInfo.userName);
+        supportActionBar.setSubtitle(mUserInfo.content);
+        final EditText etUserName = findViewById(R.id.etUserName);
+        ImageView ivAvatar = findViewById(R.id.ivAvatar);
+        Glide.with(this)
+                .load(mUserInfo.avatarUrl)
+                .into(ivAvatar);
+        findViewById(R.id.btnOk).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                mUserInfo.userName = etUserName.getText().toString();
+                Intent intentResult = new Intent();
+                intentResult.putExtra(PARAM_USER_INFO,mUserInfo);
+                intentResult.putExtra(PARAM_USER_INDEX,mUserIndex);
+                setResult(RESULT_OK,intentResult);
+            }
+        });
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == android.R.id.home){
+            finish();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}

app/src/main/java/com/nd/frt/recentconversation/adapter/Useradapter.java

@@ -0,0 +1,66 @@
+package com.nd.frt.recentconversation.adapter;
+
+import android.app.Activity;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.bumptech.glide.Glide;
+import com.nd.frt.recentconversation.R;
+import com.nd.frt.recentconversation.activity.DetailActivity;
+import com.nd.frt.recentconversation.model.UserInfo;
+import com.nd.frt.recentconversation.viewholder.UserViewHoldere;
+
+import java.util.List;
+
+public class Useradapter extends RecyclerView.Adapter<UserViewHoldere> {
+
+
+    private static final int REQUEST_EDIT_USER_INFO = 0x1001;
+    private List<UserInfo> mUserinfos;
+
+    public Useradapter(List<UserInfo>userInfos) {
+        mUserinfos = userInfos;
+    }
+
+    @NonNull
+    @Override
+    public UserViewHoldere onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
+        LayoutInflater layoutInflater = LayoutInflater.from(viewGroup.getContext());
+        View itemView = layoutInflater.inflate(R.layout.item_user, viewGroup, false);
+        return new UserViewHoldere(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull UserViewHoldere userViewHoldere, final int position) {
+        final UserInfo userInfo = mUserinfos.get(position);
+        Glide.with(userViewHoldere.itemView.getContext())
+                .load(userInfo.avatarUrl)
+                .into(userViewHoldere.mIvAvatar);
+        userViewHoldere.mTvUserName.setText(userInfo.userName);
+        userViewHoldere.mTvEmail.setText(userInfo.content);
+        userViewHoldere.itemView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                DetailActivity.start((Activity) view.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();
+    }
+}

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;

app/src/main/java/com/nd/frt/recentconversation/viewholder/UserViewHolder.java → app/src/main/java/com/nd/frt/recentconversation/viewholder/UserViewHoldere.java

@@ -4,19 +4,18 @@
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.widget.ImageView;
-import android.widget.TextView;
 
 import com.nd.frt.recentconversation.R;
 
-public class UserViewHolder extends RecyclerView.ViewHolder {
+public class UserViewHoldere extends RecyclerView.ViewHolder {
 
     public final ImageView mIvAvatar;
-    public final TextView mTvUserName;
-    public final TextView mTvEmail;
+    public final ImageView mTvUserName;
+    public final ImageView mTvEmail;
 
-    public UserViewHolder(@NonNull View itemView) {
+    public UserViewHoldere(@NonNull View itemView) {
         super(itemView);
-        mIvAvatar = itemView.findViewById(R.id.ivAvatar);
+        mIvAvatar = itemView.findViewById(R.id.ivAvtar);
         mTvUserName = itemView.findViewById(R.id.tvUserName);
         mTvEmail = itemView.findViewById(R.id.tvEmail);
     }

app/src/main/res/drawable-anydpi/ic_action_add.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#FFFFFF">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
+</vector>

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

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout 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"
+    android:layout_gravity="center_horizontal"
+    android:padding="10dp"
+    android:orientation="vertical"
+    tools:context=".activity.DetailActivity">
+    <ImageView
+        android:contentDescription="@string/avatar"
+        android:id="@+id/ivAvatar"
+        android:layout_width="96dp"
+        android:layout_height="96dp" />
+    <EditText
+        android:id="@+id/etUserName"
+        android:layout_width="match_parent"
+        android:layout_marginTop="10dp"
+        android:layout_height="wrap_content"
+        android:hint="@string/username"
+        android:inputType="text"
+        tools:ignore="Autofill"/>
+    <Button
+        android:id="@+id/btnOk"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@android:string/ok"/>
+
+
+</LinearLayout>

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

@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout 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=".MainActivity">
 
     <android.support.v7.widget.RecyclerView
-        android:id="@+id/rvRecyclerView"
+        android:id="@+id/rvUsers"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="vertical" />
+        android:layout_height="match_parent"/>
+
 
 </FrameLayout>