演示应用清单和应用资源。

lesson02/src/main/AndroidManifest.xml

@@ -9,13 +9,18 @@
         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>
-        <activity android:name=".MessageActivity" />
+        <activity android:name=".MessageActivity"
+            android:theme="@style/Theme.AppCompat.NoActionBar"
+            android:label="@string/message_name"
+
+            />
         <activity android:name=".MicroAppsActivity" />
         <activity android:name=".UserCenterActivity" />
         <activity android:name=".SendToActivity">
@@ -29,6 +34,7 @@
             </intent-filter>
         </activity>
     </application>
+    
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.CALL_PHONE"/>
     <uses-permission android:name="android.permission.CAMERA" />

lesson02/src/main/java/io/hsiao/lesson02/MainActivity.java

@@ -79,7 +79,7 @@ public class MainActivity extends AppCompatActivity {
             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                 //在传入的Item布局里获取到需要的控件。
                 TextView txt = (TextView) view.findViewById(R.id.home_list_title);
-                Toast.makeText(MainActivity.this, txt.getText(), Toast.LENGTH_SHORT).show();
+                Toast.makeText(MainActivity.this, R.string.label_choose_item, Toast.LENGTH_SHORT).show();
 
                 Intent intent = new Intent(MainActivity.this, MessageActivity.class);
 
@@ -113,7 +113,7 @@ public class MainActivity extends AppCompatActivity {
             HashMap<String, String> map = new HashMap<>();
             map.put("title", "标题 " + i);
             map.put("thumbnail", "图片 " + i);
-            //map.put("date", sdf.format(new Date()));
+            map.put("date", sdf.format(new Date()));
 
             list.add(map);
         }

lesson02/src/main/java/io/hsiao/lesson02/MessageActivity.java

@@ -3,12 +3,18 @@ package io.hsiao.lesson02;
 import android.app.Activity;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.support.v7.widget.Toolbar;
 
-public class MessageActivity extends Activity {
+public class MessageActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_message);
+
+        //获取应用栏
+        Toolbar toolBar = (Toolbar) findViewById(R.id.toolbar_message);
+        //设置应用栏
+        setSupportActionBar(toolBar);
     }
 }

lesson02/src/main/res/drawable-land/ic_message_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#da4809"
+        android:pathData="M20,2L4,2c-1.1,0 -1.99,0.9 -1.99,2L2,22l4,-4h14c1.1,0 2,-0.9 2,-2L22,4c0,-1.1 -0.9,-2 -2,-2zM18,14L6,14v-2h12v2zM18,11L6,11L6,9h12v2zM18,8L6,8L6,6h12v2z"/>
+</vector>

lesson02/src/main/res/layout-en/activity_micro_apps.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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="io.hsiao.youmap.MicroAppsActivity">
+
+    <TextView
+        android:id="@+id/textView5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="micro apps" />
+</android.support.constraint.ConstraintLayout>

lesson02/src/main/res/layout-keysexposed/activity_micro_apps.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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="io.hsiao.youmap.MicroAppsActivity">
+
+    <EditText
+        android:id="@+id/editText2"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="16dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        android:text="Name"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView5" />
+
+    <TextView
+        android:id="@+id/textView5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="微应用"
+        android:visibility="gone" />
+</android.support.constraint.ConstraintLayout>

lesson02/src/main/res/layout-land/activity_main.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <android.support.v7.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?attr/colorPrimary"
+        android:elevation="0dp"
+        android:minHeight="?attr/actionBarSize"
+        android:theme="?attr/actionBarTheme"
+        android:visibility="visible" />
+
+    <ListView
+        android:id="@+id/main_listview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/colorGray"
+        android:divider="@color/colorPrimary"
+        android:headerDividersEnabled="false" />
+
+</LinearLayout>

lesson02/src/main/res/layout-land/activity_micro_apps.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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="io.hsiao.youmap.MicroAppsActivity">
+
+    <TextView
+        android:id="@+id/textView5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="16dp"
+        android:text="微应用"
+        android:textColor="@color/colorPrimary"
+        android:textSize="30sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</android.support.constraint.ConstraintLayout>

lesson02/src/main/res/layout-land/home_list.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+
+<android.support.constraint.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"
+    android:layout_margin="20dp"
+    android:elevation="10dp"
+    android:padding="20dp">
+
+
+    <TextView
+        android:id="@+id/home_list_title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_weight="1"
+        android:text="标题"
+        android:textColor="@color/colorPrimary"
+        android:textSize="24sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        tools:layout_editor_absoluteY="0dp" />
+
+    <TextView
+        android:id="@+id/home_list_date"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:layout_marginTop="16dp"
+        android:layout_weight="1"
+        android:text="日期"
+        android:textAlignment="viewEnd"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/home_list_title" />
+
+    <TextView
+        android:id="@+id/home_list_desc"
+        android:layout_width="58dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="16dp"
+        android:layout_weight="1"
+        android:text="信息描述"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/home_list_title" />
+
+</android.support.constraint.ConstraintLayout>

lesson02/src/main/res/layout/activity_message.xml

@@ -3,6 +3,15 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <android.support.v7.widget.Toolbar
+        android:id="@+id/toolbar_message"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:background="?attr/colorPrimary"
+        android:minHeight="?attr/actionBarSize"
+        android:theme="?attr/actionBarTheme" />
+
     <TextView
         android:id="@+id/textView3"
         android:layout_width="wrap_content"

lesson02/src/main/res/layout/activity_micro_apps.xml

@@ -6,6 +6,20 @@
     android:layout_height="match_parent"
     tools:context="io.hsiao.youmap.MicroAppsActivity">
 
+    <EditText
+        android:id="@+id/editText"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="16dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        android:text="Name"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView5" />
+
     <TextView
         android:id="@+id/textView5"
         android:layout_width="wrap_content"

lesson02/src/main/res/menu-land/menu.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/menu_item_message"
+        android:icon="@drawable/ic_message_black_24dp"
+        app:showAsAction="always" />
+</menu>

lesson02/src/main/res/values-en/strings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="label_choose_item">choose item</string>
+</resources>

lesson02/src/main/res/values-land/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#0a1ace</color>
+    <color name="colorListDivider">#ac8888</color>
+    <color name="colorGray">#f1f1f1</color>
+</resources>

lesson02/src/main/res/values-land/strings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">课程联系002</string>
+</resources>

lesson02/src/main/res/values/colors.xml

@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <color name="colorPrimary">#ff5722</color>
+    <color name="colorListDivider">#ffffff</color>
+    <color name="colorGray">#f1f1f1</color>
 </resources>

lesson02/src/main/res/values/strings.xml

@@ -1,3 +1,5 @@
 <resources>
     <string name="app_name">lesson02</string>
+    <string name="message_name">消息</string>
+    <string name="label_choose_item">选项项目</string>
 </resources>