public class SampleService extends Service {
private final static String TAB = "SampleService";
private final IBinder mBinder = new LocalBinder();
public class LocalBinder extends Binder {
SampleService getService() {
return SampleService.this;
}
}
@Override
public void onCreate() {
Log.i(TAB,"onCreate");
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
@Override
public void onDestroy() {
Log.i(TAB,"onDestroy");
}
// Methods for client
public void userFunction() {
Log.i(TAB,"userFunction");
}
}
public class SampleAppActivity extends Activity {
private final static String TAB = "SampleAppActivity";
private SampleService mSampleService;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.i(TAB,"onCreate");
setContentView(R.layout.main);
Button button = (Button) findViewById(R.id.button);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mSampleService.userFunction();
}
});
}
@Override
public void onStart() {
Log.i(TAB,"onStart");
super.onStart();
// Bind
Intent intent = new Intent(getApplicationContext(), SampleService.class);
bindService(intent, mSampleServiceConnection, Context.BIND_AUTO_CREATE);
}
@Override
public void onStop() {
Log.i(TAB,"onStop");
super.onStop();
// Unbind
unbindService(mSampleServiceConnection);
}
private ServiceConnection mSampleServiceConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
SampleService.LocalBinder binder = (SampleService.LocalBinder)service;
mSampleService = binder.getService();
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
};
}
startService(new Intent(getApplicationContext(), SampleService.class));
public class SampleService extends IntentService {
public SampleService() {
super("SampleService");
}
@Override
protected void onHandleIntent(Intent intent) {
Log.i(TAB,"onHandleIntent");
// Execute something...
}
}
public class SampleService extends Service {
private ServiceHandler mServiceHandler;
private final class ServiceHandler extends Handler {
public ServiceHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
// Execute something...
// Stop the service with start id
stopSelf(msg.arg1);
}
}
@Override
public void onCreate() {
// Create and start new thread and handler
HandlerThread thread = new HandlerThread("SampleService", Process.THREAD_PRIORITY_BACKGROUND);
thread.start();
mServiceHandler = new ServiceHandler(thread.getLooper());
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
// Create message
Message msg = mServiceHandler.obtainMessage();
// Set start id
msg.arg1 = startId;
// Send message
mServiceHandler.sendMessage(msg);
return START_STICKY;
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
}
ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
List<RunningAppProcessInfo> appList = manager.getRunningAppProcesses();
Log.i(TAB, "Total apps:" + appList.size());
for (RunningAppProcessInfo info:appList) {
Log.i(TAB,"PID:" + info.pid + " Name:" + info.processName);
}
<uses-permission android:name="android.permission.GET_TASKS"/>
<uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES"/>
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name">
<activity
android:name="SampleAppActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
List<RunningTaskInfo> list = manager.getRunningTasks(100);
Log.i(TAB, "Total tasks:" + list.size());
for (RunningTaskInfo info:list) {
Log.i(TAB, "ID:" + info.id + " Top:" + info.topActivity.getClassName() + "Num:" + info.numActivities);
}
<uses-permission android:name="android.permission.GET_TASKS"/>
