Killing the service gracefully

Author: niranjan94

app/src/main/java/com/njlabs/showjava/processor/ProcessService.java

@@ -50,6 +50,7 @@ public class ProcessService extends Service {
 
     public String decompilerToUse = "cfr";
 
+    public int startID;
 
     public void onCreate() {
         super.onCreate();
@@ -61,6 +62,7 @@ public void onCreate() {
     public int onStartCommand(Intent intent, int flags, int startId) {
         super.onStartCommand(intent, flags, startId);
 
+        this.startID = startId;
         /**
          * Initialize a handler for posting runnables that have to run on the UI thread
          */
@@ -93,8 +95,12 @@ public int onStartCommand(Intent intent, int flags, int startId) {
              *
              * Uses the {@link #killSelf()} method.
              */
-            killSelf();
 
+            int toKillStartId = intent.getIntExtra("startId",-1);
+            killSelf(true, toKillStartId);
+
+        } else if(intent.getAction().equals(Constants.ACTION.STOP_PROCESS_FOR_NEW)) {
+            killSelf(false, -1);
         }
 
         return START_NOT_STICKY;
@@ -164,7 +170,7 @@ public void run() {
                 }
             })).start();
         } else {
-            killSelf();
+            killSelf(true, startID);
         }
     }
 
@@ -297,6 +303,7 @@ private Notification buildNotification() {
 
         Intent stopIntent = new Intent(this, ProcessService.class);
         stopIntent.setAction(Constants.ACTION.STOP_PROCESS);
+        stopIntent.putExtra("startID", startID);
 
         PendingIntent pendingStopIntent = PendingIntent.getService(this, 0, stopIntent, 0);
 
@@ -326,7 +333,6 @@ private Notification buildNotification() {
     public void onDestroy() {
         super.onDestroy();
         try {
-            kill();
             processNotify.cancel();
         } catch (Exception e) {
             Ln.e(e);
@@ -358,16 +364,18 @@ public void run() {
         }
     }
 
-    private void killSelf(){
-        broadcastStatus("exit");
+    private void killSelf(boolean shouldBroadcast, int startID){
+        if(shouldBroadcast){
+            broadcastStatus("exit");
+        }
         stopForeground(true);
+        stopSelf(startID);
         try {
             NotificationManager mNotifyManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
             mNotifyManager.cancel(Constants.PROCESS_NOTIFICATION_ID);
-            Utils.killAllProcessorServices(this);
+            Utils.forceKillAllProcessorServices(this);
         } catch (Exception e) {
             Ln.e(e);
         }
-        stopSelf();
     }
 }

app/src/main/java/com/njlabs/showjava/ui/AppProcessActivity.java

@@ -129,7 +129,7 @@ public void run() {
     }
 
     private void startProcessorService() {
-        Utils.killAllProcessorServices(this);
+        Utils.killAllProcessorServices(this, true);
         Intent mServiceIntent = new Intent(getContext(), ProcessService.class);
         mServiceIntent.setAction(Constants.ACTION.START_PROCESS);
         mServiceIntent.putExtra("package_file_path", packageFilePath);
@@ -253,7 +253,6 @@ public void onReceive(Context context, Intent intent) {
                     break;
 
                 case "exit":
-                    Toast.makeText(baseContext, "Exiting.", Toast.LENGTH_SHORT).show();
                     finish();
                     overridePendingTransition(R.anim.fadein, R.anim.fadeout);
                     break;

app/src/main/java/com/njlabs/showjava/utils/Utils.java

@@ -18,13 +18,18 @@
 
 public class Utils {
 
-    public static void killAllProcessorServices(Context context) {
-
+    public static void killAllProcessorServices(Context context, boolean forNew) {
         Intent mServiceIntent = new Intent(context, ProcessService.class);
-        mServiceIntent.setAction(Constants.ACTION.STOP_PROCESS);
-        context.startService(mServiceIntent);
+        if(forNew){
+            mServiceIntent.setAction(Constants.ACTION.STOP_PROCESS_FOR_NEW);
+        } else {
+            mServiceIntent.setAction(Constants.ACTION.STOP_PROCESS);
+        }
+        context.stopService(mServiceIntent);
+    }
 
-        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
+    public static void forceKillAllProcessorServices(Context context) {
+       ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
         List<ActivityManager.RunningAppProcessInfo> runningAppProcesses = am.getRunningAppProcesses();
         for (ActivityManager.RunningAppProcessInfo next : runningAppProcesses) {
             String processName = context.getPackageName() + ":service";