Android 广播接收器无法从服务中工作
我正在尝试在一个服务中注册两个广播接收器,该服务将在设备上安装应用程序后立即启动。如果设备重新启动(使用引导完成接收器),此服务也会启动 该服务启动一个活动,在该活动中触发所有UI更改和通知。在应用程序处于前台或后台状态之前,在服务内部注册的广播接收器可以正常工作。但如果我杀了这个应用程序。似乎没有人回应 这是我的服务代码Android 广播接收器无法从服务中工作,android,service,broadcastreceiver,Android,Service,Broadcastreceiver,我正在尝试在一个服务中注册两个广播接收器,该服务将在设备上安装应用程序后立即启动。如果设备重新启动(使用引导完成接收器),此服务也会启动 该服务启动一个活动,在该活动中触发所有UI更改和通知。在应用程序处于前台或后台状态之前,在服务内部注册的广播接收器可以正常工作。但如果我杀了这个应用程序。似乎没有人回应 这是我的服务代码 public class StartupService extends Service { @Override public IBinder onBind
public class StartupService extends Service {
@Override
public IBinder onBind(Intent arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public void onCreate(){
super.onCreate();
Log.i("Easy Charger Service","Service Started");
this.registerReceiver(ChargerPluggedInReceiver, new IntentFilter(Intent.ACTION_POWER_CONNECTED));
this.registerReceiver(ChargerPluggedOutReceiver, new IntentFilter(Intent.ACTION_POWER_DISCONNECTED));
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.i("EASYCHARGER", "Service is Running");
return super.onStartCommand(intent,flags,startId);
}
public BroadcastReceiver ChargerPluggedInReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Toast.makeText(StartupService.this, "Charger Plugged", Toast.LENGTH_LONG).show();
Intent startup_intent = new Intent(StartupService.this,Home.class);
startup_intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(startup_intent);
}
};
public BroadcastReceiver ChargerPluggedOutReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Log.i("EASYCHARGER", "ChargerPluggedOut");
if(intent.getAction().equalsIgnoreCase(Intent.ACTION_POWER_DISCONNECTED )){
Log.i("EASYCHARGER", "ChargerPluggedOut - Performing Action Now");
//unregisterReceiver(batteryLevelReceiver);
Toast.makeText(StartupService.this, "Charger Unplugged", Toast.LENGTH_LONG).show();
}
}
};
}
这是我的活动课
public class Home extends Activity {
private SharedPreferences p;
private TextView batterylevel;
private Battery b = null;
private NotificationsManager nm = null;
private Button goto_tasks_act;
private Button settings;
private ProgressDialog pDialog;
Context cont;
private TextView easy;
private boolean isFirstRun;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
setContentView(R.layout.activity_home);
cont = getApplicationContext();
p = this.getSharedPreferences("FirstRun", MODE_PRIVATE);
isFirstRun = p.getBoolean("FirstRun", true);
if(isFirstRun)
{
Intent shortcutIntent = new Intent(getApplicationContext(),Home.class);
shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
Intent addIntent = new Intent();
addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, "EasyCharger");
addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource.fromContext(this, R.drawable.ic_launcher));
addIntent.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
this.sendBroadcast(addIntent);
SharedPreferences.Editor editor = p.edit();
editor.putBoolean("FirstRun", false);
editor.commit();
Toast.makeText(Home.this, "Registering Startup Service", Toast.LENGTH_LONG).show();
Intent serviceIntent = new Intent(Home.this, StartupService.class);
Home.this.startService(serviceIntent);
}
Typeface batman = Typeface.createFromAsset(getAssets(), "fonts/batmfa__.ttf");
TextView easy = (TextView) findViewById(R.id.home_tv1);
TextView charger = (TextView) findViewById(R.id.home_tv3);
// easy.setTypeface(batman);
// charger.setTypeface(batman);
batterylevel = (TextView)findViewById(R.id.textView1);
batterylevel.setText("Charging...Only Even Notifications");
settings=(Button) findViewById(R.id.button2);
settings.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(new Intent(Home.this, Settings.class));
}
});
RegisterAllReceivers(Home.this);
goto_tasks_act = (Button)findViewById(R.id.button1);
goto_tasks_act.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
//startActivity(new Intent(Home.this,Tasks.class));
new ClearTasks().execute();
}
});
NotificationsManager nm = new NotificationsManager(getApplicationContext());
nm.AppActivatedNotification();
}
public void RegisterAllReceivers(Context context){
Log.i("EASYCHARGER","Registering All Receivers");
context.registerReceiver(ChargerPluggedInReceiver, new IntentFilter(Intent.ACTION_POWER_CONNECTED));
context.registerReceiver(batteryLevelReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
context.registerReceiver(ChargerPluggedOutReceiver, new IntentFilter(Intent.ACTION_POWER_DISCONNECTED));
}
public BroadcastReceiver batteryLevelReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
...
}
};
public BroadcastReceiver ChargerPluggedInReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Log.i("EASYCHARGER", "ChargerPluggedIn");
if(intent.getAction().equalsIgnoreCase(Intent.ACTION_POWER_CONNECTED )){
Log.i("EASYCHARGER", "ChargerPluggedIn - Performing Action Now");
}
}
};
public BroadcastReceiver ChargerPluggedOutReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Log.i("EASYCHARGER", "ChargerPluggedOut");
if(intent.getAction().equalsIgnoreCase(Intent.ACTION_POWER_DISCONNECTED )){
Log.i("EASYCHARGER", "ChargerPluggedOut - Performing Action Now");
//unregisterReceiver(batteryLevelReceiver);
finish();
}
}
};
}
“杀掉应用程序”是什么意思 从3.1开始,当安装应用程序时,它们处于“停止”状态,因此在用户明确启动它们之前,它们将无法运行。按“强制停止”将使其返回此状态。 因此,当应用程序第一次安装时,系统会完全忽略它们,除非用户手动启动某些东西:很可能是单击启动程序活动或添加应用程序小部件
因此,如果你关闭应用程序,这是正常的。所有接收者都不会响应。使用清单中的android:process属性在其自己的进程中启动服务可能会解决此问题。很明显,如果您终止应用程序,您就是在停止服务本身。因此,你的接收者将不会收到任何东西,因为该服务已不存在。当应用程序安装后,它将首次启动,我将启动我的服务以注册接收者。现在,即使应用程序停止了,为什么服务会被破坏,接收者也会被破坏?