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                **使用意圖鏈接活動** 1、新建一個名為“UsingIntent”的項目,右擊src文件夾下的包名,選擇New-->Class選項,并將新的類文件名命名為“SecondActivity”; 2、打開AndroidManifest.xml文件,添加如下代碼: ~~~ <activity android:name=".SecondActivity" android:label="Second Activity" > <!-- 新活動的意圖篩選器的名稱是net.zenail.SecondActivity,其它活動將通過這個名稱來調用這個活動 --> <!-- 意圖篩選器的類別是android.intent.category.DEFAULT,其它活動可以通過使用startActivity()方法啟動此活動 --> <intent-filter> <action android:name="net.zenail.SecondActivity" /> <category android:name="android.intent.category.DEFAULT" /> </intent-filter> </activity> ~~~ 3、在res/layout文件夾下新建一個secondactivity.xml文件,修改代碼如下: ~~~ <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="This is the Second Activity!" /> </LinearLayout> ~~~ 4、打開SecondActivity.java文件,添加如下代碼,添加創建方法: ~~~ protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.secondactivity); } ~~~ 5、在activity_main.xml文件中添加如下代碼,新建一個Button: ~~~ <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:onClick="onClick" android:text="Display second activity" /> ~~~ 6、在MainActivity.java中添加如下代碼,添加點擊方法: ~~~ public void onClick(View v) { startActivity(new Intent("net.zenail.SecondActivity"));// 將意圖篩選器的名稱傳進去 // 如果要調用的活動是定義在同一個項目中,則可以重寫上面的方法: startActivity(new Intent(this, // SecondActivity.class)); } ~~~ 7、運行,效果如下: ![](https://box.kancloud.cn/2016-08-23_57bc06b6077cc.jpg) ![](https://box.kancloud.cn/2016-08-23_57bc06b62cb9f.jpg) **[點擊下載完整代碼~](http://download.csdn.net/detail/u012904198/7309201)**
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