lesson02

lesson01/src/main/java/io/hsiao/lesson01/MainActivity.java

     }
 
     private void notifyToast(String msg) {
+
         Toast.makeText(this, msg, Toast.LENGTH_LONG).show();
     }
 

lesson02/src/main/AndroidManifest.xml

         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
             </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" />
 
 </manifest>

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

 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
 import android.widget.SimpleAdapter;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import java.text.SimpleDateFormat;
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+        //获取应用栏
         Toolbar toolBar = (Toolbar) findViewById(R.id.toolbar);
+        //设置应用栏
         setSupportActionBar(toolBar);
         Log.i("youmap", "MainActivity创建完成");
 
     }
 
     private void createListView() {
+        //获取ListView
         this.listView = (ListView) findViewById(R.id.main_listview);
-        this.listView.setAdapter(new SimpleAdapter(this, getData(), R.layout.home_list, new String[]{"title", "thumbnail", "date"}, new int[]{R.id.home_list_title, R.id.home_list_date, R.id.home_list_desc}));
+
+        /**
+         * <pre>
+         *   新建数据适配器。传入：
+         *   1: Activity实例，即this对象。
+         *   2: 数据内容
+         *   3：Item的布局
+         *   4：数据里对应布局的Key值
+         *   5：布局与数据对应的组件Id
+         * </pre>
+         *
+         */
+        SimpleAdapter adapter = new SimpleAdapter(this, getData(), R.layout.home_list, new String[]{"title", "thumbnail", "date"}, new int[]{R.id.home_list_title, R.id.home_list_date, R.id.home_list_desc});
+
+        /**
+         * 通过setAdapter方法，绑定数据和布局。
+         */
+        this.listView.setAdapter(adapter);
+
+        /**
+         * 绑定Item的click方法。
+         */
+        this.listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            /**
+             *
+             * @param parent
+             * @param view item控件，即整个Item的布局。
+             * @param position
+             * @param id
+             */
+            @Override
+            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();
+
+                Intent intent = new Intent(MainActivity.this, MessageActivity.class);
+
+                startActivity(intent);
+            }
+        });
+
+        /**
+         * 绑定Item的长按方法。
+         */
+        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
+            @Override
+            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+                Intent intent = new Intent();
+                intent.setAction(Intent.ACTION_SEND);
+                intent.putExtra(Intent.EXTRA_TEXT, "110");
+                intent.setType("text/plain");
+
+                if (intent.resolveActivity(getPackageManager()) != null) {
+                    startActivity(intent);
+                }
+
+                return true;
+            }
+        });
     }
 
     private List<HashMap<String, Object>> getData() {
             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/UserCenterActivity.java

             public void onClick(View v) {
                 Intent intent = new Intent();
                 intent.setAction(Intent.ACTION_SEND);
+                //intent.putExtra(Intent.EXTRA_TEXT,"13888888888");
                 intent.putExtra(Intent.EXTRA_TEXT,"Hi, 我是John，炒鸡帅男。我的Email是 John@gmail.com。");
                 intent.setType("text/plain");
 

lesson02/src/main/res/drawable/ic_apps_black_24dp.xml

+<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="#FF000000"
+        android:pathData="M4,8h4L8,4L4,4v4zM10,20h4v-4h-4v4zM4,20h4v-4L4,16v4zM4,14h4v-4L4,10v4zM10,14h4v-4h-4v4zM16,4v4h4L20,4h-4zM10,8h4L14,4h-4v4zM16,14h4v-4h-4v4zM16,20h4v-4h-4v4z"/>
+</vector>

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

+<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="#FF000000"
+        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/drawable/ic_search_black_24dp.xml

+<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="#FF000000"
+        android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z"/>
+</vector>

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

         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="分享我的名片" />
+
+    <TextView
+        android:id="@+id/usercenter_weblink"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:autoLink="web"
+        android:text="http://www.baidu.com" />
 </LinearLayout>

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

 
     <item
         android:id="@+id/menu_item_message"
-        android:title="消息"
+        android:icon="@drawable/ic_message_black_24dp"
         app:showAsAction="always" />
     <item
         android:id="@+id/menu_item_mapps"
+        android:icon="@drawable/ic_apps_black_24dp"
         android:title="微应用"
         app:showAsAction="always" />
     <item
         android:title="通讯录" />
     <item
         android:id="@+id/menu_item_search"
+        android:icon="@drawable/ic_search_black_24dp"
         android:title="搜索"
         app:showAsAction="always" />
 </menu>

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

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#1f9cd6</color>
+    <color name="colorPrimary">#ff5722</color>
 </resources>