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Android service onCreate is called multiple times without calling onDestroy

I had the same problem when my service used the same process with activities(default). but no more problems when I made my service use another process. I edited my AndroidManifest.xml like below… (added android:process attribute) <service android:name=”kr.co.pkbio.binoo.CacheFileManagerService” android:process=”:kr.co.pkbio.binoo.service”/> <service android:name=”kr.co.pkbio.binoo.ActivityStackManagerService” android:process=”:kr.co.pkbio.binoo.service”/> see http://developer.android.com/guide/topics/manifest/service-element.html for information.

Is it normal for the “activity.onCreate()” method to be called multiple times

You might want to read through the documentation on the Activity lifecycle. OnCreate will only be called one time for each lifetime of the Activity. However, there are a number of situations that can cause your activity to be killed and brought back to life. Thus, onCreate will be called again. To support this properly, … Read more

onCreate flow continues after finish()

I’m guessing that it is because finish() doesn’t cause the onCreate method to return. You could try simply adding finish(); return; Or use an if else @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.layoutb); if(good data){ //do stuff }else{ finish(); } }

java.lang.NoSuchMethodError: No static method setOnApplyWindowInsetsListener

I upgraded my android studio to 2.1.3. And now I am getting following error I am also suffering with same issue. But I was resolved as the following way. Reason of this exception is AppcompatActivity derived from the v7 library. so we should provide proper library based on your gradle and SDK. should update the … Read more

SQLiteOpenHelper failing to call onCreate?

The onCreate is not a constructor for the database class. It is only called if you try to open a database that does not exist. To open/create the database you need to add a call to one of these methods: public class SmartApp extends Activity implements OnSharedPreferenceChangeListener { private SmartDBHelper dBHelper; public void onCreate(Bundle savedInstanceState) … Read more

Android: When is onCreateOptionsMenu called during Activity lifecycle?

The onCreate method is called first, and before it finishes onCreateOptionsMenu is called. That will be true on devices and apps with an official Honeycomb-style action bar. If there is no action bar, onCreateOptionsMenu() should not get called until the user calls up the menu, typically by pressing the MENU button. (I’m using screen size … Read more

super.onCreate(savedInstanceState);

Every Activity you make is started through a sequence of method calls. onCreate() is the first of these calls. Each and every one of your Activities extends android.app.Activity either directly or by subclassing another subclass of Activity. In Java, when you inherit from a class, you can override its methods to run your own code … Read more

Android – Activity Constructor vs onCreate

I can’t think of any good reason to do anything in the constructor. You never construct an activity directly, so you can’t use it to pass in parameters. Generally, just do things in onCreate.

Android onCreate or onStartCommand for starting service

onCreate() is called when the Service object is instantiated (ie: when the service is created). You should do things in this method that you need to do only once (ie: initialize some variables, etc.). onCreate() will only ever be called once per instantiated object. You only need to implement onCreate() if you actually want/need to … Read more

What’s onCreate(Bundle savedInstanceState)

If you save the state of the application in a bundle (typically non-persistent, dynamic data in onSaveInstanceState), it can be passed back to onCreate if the activity needs to be recreated (e.g., orientation change) so that you don’t lose this prior information. If no data was supplied, savedInstanceState is null. … you should use the … Read more