![]() After the delay time is complete, then your main activity will be launched. Post Delayed method will delay the time for 3 seconds. The error Default Activity not found is triggered when there is no activity marked as the main activity ( MAIN ) in AndroidManifest.xml. new Handler().postDelayed(new Runnable() method. If you use version 5.15 or later of the Facebook SDK for Android, you dont need to to add an activity or intent filter for Chrome Custom Tabs. ![]() Handlers are subclassed from the Android Handler class and can be used either by specifying a Runnable to be executed when required by the thread, or by overriding the handleMessage() callback method within the Handler subclass which will be called when messages are sent to the handler by a thread.Ī) To schedule messages and Runnables to be executed at some point in the futureī) To enqueue an action to be performed on a different thread than your own. Android - Intents and Filters, An Android Intent is an abstract description of an operation to be performed. Method 2: Cleaning and Rebuilding your Project In this method, we will be cleaning as well as rebuilding our project. Click on that option to clean your project. Handlers are basically background threads which allows you to communicate with the UI thread (update the UI). Navigate to the Build option in the top bar and then click on it and after that, you will get to see an option to Clean your Project.
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