Fix service manager crash

AudioPlayerRecorderLibrary/src/main/java/com/heavyplayer/audioplayerrecorder/fragment/AudioRecorderFragment.java

@@ -138,6 +138,16 @@ public void onServiceStop() {
         // Purposely empty.
     }
 
+    @Override
+    public void onServiceStart() {
+        // Purposely empty.
+    }
+
+    @Override
+    public void onServiceFailedToStart(String processName, int importance) {
+        // Purposely empty.
+    }
+
     @Override
     public void onStartRecorder() {
         Activity activity = getActivity();

AudioPlayerRecorderLibrary/src/main/java/com/heavyplayer/audioplayerrecorder/service/manager/ServiceManager.java

@@ -1,8 +1,7 @@
 package com.heavyplayer.audioplayerrecorder.service.manager;
 
-import com.heavyplayer.audioplayerrecorder.BuildConfig;
-
 import android.app.Activity;
+import android.app.ActivityManager;
 import android.app.Service;
 import android.content.ComponentName;
 import android.content.Context;
@@ -11,6 +10,10 @@
 import android.os.IBinder;
 import android.util.Log;
 
+import com.heavyplayer.audioplayerrecorder.BuildConfig;
+
+import java.util.List;
+
 public class ServiceManager implements ServiceConnection {
     private IBinder mBinder;
 
@@ -37,9 +40,23 @@ final public void onStop() {
     protected void onActivateService() {
         bindService();
 
-        // Ensure service keeps running until we explicitly stop it,
-        // which is always except when configuration changes occur.
-        startService();
+        ActivityManager activityManager = (ActivityManager) mActivity.getSystemService(Context.ACTIVITY_SERVICE);
+        List<ActivityManager.RunningAppProcessInfo> runningAppProcesses = activityManager.getRunningAppProcesses();
+        if (runningAppProcesses != null) {
+            int importance = runningAppProcesses.get(0).importance;
+            if (importance <= ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
+                // Only start the service if we are actually in the foreground.
+                // https://issuetracker.google.com/issues/110237673
+                startService();
+            } else {
+                if (mStateListener != null) {
+                    mStateListener.onServiceFailedToStart(
+                            runningAppProcesses.get(0).processName,
+                            importance
+                    );
+                }
+            }
+        }
     }
 
     protected void onDeactivateService(boolean stopService) {
@@ -51,6 +68,9 @@ protected void onDeactivateService(boolean stopService) {
     }
 
     protected void startService() {
+        if (mStateListener != null) {
+            mStateListener.onServiceStart();
+        }
         mActivity.startService(new Intent(mActivity, mServiceClass));
     }
 
@@ -123,5 +143,9 @@ public interface StateListener {
         void onServiceUnbind(IBinder binder);
 
         void onServiceStop();
+
+        void onServiceStart();
+
+        void onServiceFailedToStart(String processName, int importance);
     }
 }

AudioPlayerRecorderSamples/src/main/java/com/heavyplayer/audioplayerrecorder/sample/activity/PlayerActivity.java

@@ -47,6 +47,14 @@ public void onServiceUnbind(IBinder binder) {
             @Override
             public void onServiceStop() {
             }
+
+            @Override
+            public void onServiceStart() {
+            }
+
+            @Override
+            public void onServiceFailedToStart(String processName, int importance) {
+            }
         });
     }