Android(安卓)利用广播接收器启动服务

 1 public class MainActivity extends Activity { 2  3     private Button bt ; 4     protected void onCreate(Bundle savedInstanceState) { 5         super.onCreate(savedInstanceState); 6         setContentView(R.layout.activity_main); 7             bt = (Button)findViewById(R.id.bt); 8              9             IntentFilter filter = new IntentFilter("BT");10             Receiver recerver = new Receiver();11             getApplicationContext().registerReceiver(recerver, filter);12                 13             bt.setOnClickListener(new OnClickListener(){14                 public void onClick(View arg0) {15                     Intent intent = new Intent("BT");16                     intent.setPackage(getPackageName());17                     Bundle bundle = new Bundle();18                     bundle.putString("say",    "Hello,I'm activity!");19                     intent.putExtras(bundle);20                     sendBroadcast(intent);21                 }22             });23     }24 25 }

MainActivity

 1 public class Receiver extends BroadcastReceiver { 2  3     public void onReceive(Context context, Intent intent) { 4             String bd=intent.getStringExtra("say"); 5             Toast.makeText(context,bd+ "I'm Receiver.I will send Intent!!!", Toast.LENGTH_LONG).show(); 6             intent.setAction("myservice"); 7             context.startService(intent); 8     } 9 10 }

Receiver

 1 public class MyService extends Service { 2  3     @Override 4     public IBinder onBind(Intent arg0) { 5         // TODO Auto-generated method stub 6         return null; 7     } 8      9     public void onCreate(){10         Toast.makeText(MyService.this, "onCreate()", Toast.LENGTH_LONG).show();11     }12     public void onStart(Intent intent,int startId){13         Toast.makeText(MyService.this, "onStart()", Toast.LENGTH_LONG).show();14         15     }16     public void onDestroy(){17         Toast.makeText(MyService.this, "onDestroy()", Toast.LENGTH_LONG).show();18     }19 }

MyService

 1     <application 2         android:allowBackup="true" 3         android:icon="@drawable/ic_launcher" 4         android:label="@string/app_name" 5         android:theme="@style/AppTheme" > 6         <activity 7             android:name=".MainActivity" 8             android:label="@string/app_name" > 9             10                 11 12                 13             14         15         16             17                 18             19         20

application

转载于:https://www.cnblogs.com/A--Q/p/6694588.html

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