mars老师[Android开发视频教学] 01_21 广播机制(1)
mar老师[Android开发视频教学] 01_21 广播机制(1)
创建项目:TestBC
==>testrecevier.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <Button android:id="@+id/sendButton" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="发送消息给Receiver" /> </LinearLayout>
==>TestActivity.java
package mars.testbc; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class TestActivity extends Activity { /** Called when the activity is first created. */ private Button sendButton; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.testreceiver); sendButton = (Button)findViewById(R.id.sendButton); sendButton.setOnClickListener(new BroadcastListener()); } class BroadcastListener implements OnClickListener{ @Override public void onClick(View v) { Intent intent = new Intent(); intent.setAction(Intent.ACTION_EDIT); TestActivity.this.sendBroadcast(intent); } } }
==>TestRecevier.java
package mars.testbc; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; public class TestReceiver extends BroadcastReceiver{ public TestReceiver(){ System.out.println("TestReceiver"); } @Override public void onReceive(Context context, Intent intent) { System.out.println("onReceive"); } }
==>AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="mars.testbc" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".TestActivity" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <receiver android:name=".TestReceiver"> <intent-filter> <action android:name="android.intent.action.PICK" /> </intent-filter> </receiver> </application> <uses-sdk android:minSdkVersion="4" /> <uses-permission android:name="android.permission.RECEIVE_SMS"></uses-permission> </manifest>