Service Intent Must Be Explicit: Intent

Service Intent must be explicit: Intent

any intent you make to a service, activity etc. in your app should always follow this format

Intent serviceIntent = new Intent(context,MyService.class);
context.startService(serviceIntent);

or

Intent bi = new Intent("com.android.vending.billing.InAppBillingService.BIND");
bi.setPackage("com.android.vending");

implicit intents (what you have in your code currently) are considered a security risk

Service Intent must be explicit

In your activity do the following:

Intent i = new Intent(this,PlayMusicService.class);
i.putExtra("action","com.example.neotavraham.PLAY");
startService(i);

In your service do the following:

package com.example.neotavraham;

import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.IBinder;
import android.util.Log;

public class PlayMusicService extends Service  {
  public static final String ACTION_PLAY = "com.example.neotavraham.PLAY";
  MediaPlayer mMediaPlayer = null;

  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    if (intent.getStringExtra("action").equals(ACTION_PLAY)) {
      mMediaPlayer = MediaPlayer.create(this, R.raw.yedid_nefesh);
      mMediaPlayer = MediaPlayer.create(this, R.raw.idil);
        mMediaPlayer.setLooping(true); // Set looping
        mMediaPlayer.setVolume(100,100);
        mMediaPlayer.start();
    }
    return flags;
  }

  @Override
  public IBinder onBind(Intent intent) {
    return null;
  }

    @Override
    public void onDestroy() {
        mMediaPlayer.stop();
        mMediaPlayer.release();
    }
}

In your manifiest do the following:

<service
            android:name="com.example.neotavraham.PlayMusicService"
           />

This is the perfect code for your app. Hope this will work finally....

Service intent must be explicit : Has Extras

You can set the package id of your intent:

intent.SetPackage(PackageName);

Or use the current context and the Java class (or C# type):

var intent = new Intent(Application.Context, typeof(MediaService));

Android 5.0 (L) Service Intent must be explicit in Google analytics

Migration from Google Analytics v2 to v3 solve the problem for me.

Why Service Intent Needs to be Explicit Intent

When you start a service with implicit intent unlike Activity, no user interface
is involved. When multiple Services can handle an Intent,
Android selects one at random; the user is not prompted to
select a Service.

In case the malicious Service is bound to the calling application, then the attacker can return arbitrary malicious data
or simply return a successful result without taking the requested action. The
malicious Service can steal data and lie about completing
requested actions.

OpenCV Service Intent must be explicit, Android 5.0 Lollipop

I think changing the android:targetSdkVersion is not a solution for very long ;) So instead I added the package name to make the intent explicit:

public static boolean initOpenCV(String Version, final Context AppContext,
        final LoaderCallbackInterface Callback) {
    AsyncServiceHelper helper = new AsyncServiceHelper(Version, AppContext,
            Callback);
    Intent intent = new Intent("org.opencv.engine.BIND");
    intent.setPackage("org.opencv.engine");
    if (AppContext.bindService(intent, helper.mServiceConnection,
            Context.BIND_AUTO_CREATE)) {
        return true;
    } else {
        AppContext.unbindService(helper.mServiceConnection);
        InstallService(AppContext, Callback);
        return false;
    }
}

Maybe someone can tell an opencv comitter about this, to push a hotfix.

EDIT: From a comment below: For anyone else wondering the location of this function, it's in src/main/java/org/opencv/android/AsyncServiceHelper.java

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