我删除了不相关的帖子。我正在发布最终答案，因为它可能对其他人有所帮助。感谢@WIZARD 的帮助。
PHONE_STATE is implicit and will not be triggered on android Oreo or higher. So just place permissions in manifest like :
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.SEND_SMS" />
<uses-permission android:name="android.permission.READ_SMS" />
<uses-permission android:name="android.permission.WRITE_SMS" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity
android:name=".MainActivity"
android:excludeFromRecents="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service
android:name=".WatchMan"
android:enabled="true"
android:exported="true">
</service>
<service
android:name=".CatchNumbers"
android:enabled="true"
android:exported="true">
</service>
<receiver
android:name=".MyReceiver"
android:enabled="true"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
</application>
从前台服务注册隐式接收器：
public class WatchMan extends Service
{
NotificationManager mNotifyManager;
NotificationCompat.Builder mBuilder;
NotificationChannel notificationChannel;
String NOTIFICATION_CHANNEL_ID = "17";
private boolean running;
private BroadcastReceiver mCallBroadcastReceiver = new BroadcastReceiver()
{
@Override
public void onReceive(Context context, Intent intent)
{
String PhoneNumber = "UNKNOWN";
Log.d("RECEIVER : ","HERE HERE");
try
{
String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
if(state == null)
{
PhoneNumber = "UNKNOWN";
}
else if (state.equals(TelephonyManager.EXTRA_STATE_RINGING))
{
PhoneNumber = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
Log.d("INCOMING ","Incoming number : "+PhoneNumber);
}
if(intent.getAction().equals("android.intent.action.NEW_OUTGOING_CALL"))
{
PhoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
Log.d("OUTGOING ","Outgoing number : "+PhoneNumber);
}
if(!PhoneNumber.contentEquals("UNKNOWN"))
{
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
{
context.startForegroundService(new Intent(context, CatchNumbers.class));
}
else
{
context.startService(new Intent(context, CatchNumbers.class));
}
}
}
catch (Exception e)
{
e.printStackTrace();
Log.e("RECEIVER EXCEPTION : ", "Exception is : ", e);
}
}
};
public WatchMan() { }
@Override
public void onCreate()
{
super.onCreate();
mBuilder = new NotificationCompat.Builder(this, null);
IntentFilter filterstate = new IntentFilter();
filterstate.addAction("android.intent.action.NEW_OUTGOING_CALL");
filterstate.addAction("android.intent.action.PHONE_STATE");
this.registerReceiver(mCallBroadcastReceiver, filterstate);
Log.d("RECEIVER : ", "\nCreated....");
mNotifyManager = (NotificationManager) getApplicationContext().getSystemService(NOTIFICATION_SERVICE);
mBuilder = new NotificationCompat.Builder(this, null);
mBuilder.setContentTitle("Insta Promo")
.setContentText("Insta Promo Is Up..")
.setTicker("Insta Promo Is Up..")
.setSmallIcon(R.drawable.ic_launcher_background)
.setPriority(Notification.PRIORITY_HIGH)
.setDefaults(Notification.DEFAULT_ALL)
.setVisibility(Notification.VISIBILITY_PUBLIC)
.setOngoing(true)
.setAutoCancel(false);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
{
notificationChannel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, "My Notifications", NotificationManager.IMPORTANCE_HIGH);
// Configure the notification channel.
notificationChannel.setDescription("Channel description");
notificationChannel.enableLights(true);
notificationChannel.setLightColor(Color.RED);
notificationChannel.setVibrationPattern(new long[]{0, 1000, 500, 1000});
notificationChannel.enableVibration(true);
notificationChannel.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);
mNotifyManager.createNotificationChannel(notificationChannel);
}
running = true;
mBuilder.setChannelId(NOTIFICATION_CHANNEL_ID);
startForeground(17, mBuilder.build());
}
@Override
public int onStartCommand(Intent intent, int flags, int startId)
{
Log.d("RECEIVER : ", "\nOnStartCommand....");
new Thread(new Runnable()
{
public void run()
{
while(running)
{
try
{
Log.d("RECEIVER : ", "\nALIVE..");
Thread.sleep(10000);
}
catch (InterruptedException e)
{
Log.d("RECEIVER : ", "\nThread : InterruptedException in Receiver...");
Log.e("RECEIVER : ", "\nException is : ", e);
}
catch (Exception e)
{
Log.d("RECEIVER : ", "\nThread : Exception Error in Receiver...");
Log.e("RECEIVER : ", "\nException is : ", e);
}
}
}
}).start();
return START_STICKY;
}
@Override
public void onDestroy()
{
this.unregisterReceiver(mCallBroadcastReceiver);
running = true;
Log.d("RECEIVER : ", "\nDestroyed....");
Log.d("RECEIVER : ", "\nWill be created again....");
}
@Override
public IBinder onBind(Intent intent)
{
// TODO: Return the communication channel to the service.
throw new UnsupportedOperationException("Not yet implemented");
}
@Override
public void onTaskRemoved(Intent rootIntent)
{
super.onTaskRemoved(rootIntent);
Log.d("SERVICE : ", "\nTask Removed....");
}
}
有一些意图操作，如 NEW_OUTGOING_CALL 和 BOOT_COMPLETED，它们被排除在外，可以在接收器中实现并放置在清单中，如：
public class MyReceiver extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
Log.d("INSTA_BOOT : ", "\nBOOT_COMPLETE_EVENT_OF_INSTA....");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
{
context.startForegroundService(new Intent(context, WatchMan.class));
}
else
{
context.startService(new Intent(context, WatchMan.class));
}
}
}
因为我想重新注册或说想在 REBOOT 或 BOOT-COMPLETE 上重新启动前台服务
CatchNumbers.java is a simple service which performs operation when receiver triggers perticular actions.
它在每次重新启动时都能正常工作，并且不再需要 android:excludeFromRecents="true"，因为即使用户从 Oreo 上的 recents 中删除它，它也会重新启动服务，因为它是 STICKY。希望它可以帮助像我这样的人..!!