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Android 广播接收器无法从服务中工作_Android_Service_Broadcastreceiver - Fatal编程技术网

Android 广播接收器无法从服务中工作

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

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(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?