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Call mainactivity method from another class

Web7. One more way is:: Write a method in your adapter lets say public void callBack () {}. Now while creating an object for adapter in activity override this method. Override method will be called when you call the method in adapter. Myadapter adapter = new Myadapter () { @Override public void callBack () { // dosomething } }; Share. Web从另一个类中调用一个方法会导致应用程序崩溃[英] Calling a method from another class is causing app to crash. 2024-10-19. ... public class EasyMode extends MainActivity { GameActivityPVP game = new GameActivityPVP(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState ...

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WebJan 31, 2024 · Activity is a class that extends Context. So there is no need to pass both context and activity. You may pass activity as context and then you can use the context to run on UI thread as follows: ( (Activity) context).runOnUiThread (new Runnable () { public void run () { //Code goes here } }); WebJul 25, 2024 · So I essentially called that method in MainActivity, which nullifies my whole question. From 'override fun onActivityResult (some intent stuff)', it goes back to FBManager, authorises the sign in account, and can then updateUI () back in MainActivity using a very similar solution to yours. – NicCoe Jul 26, 2024 at 11:15 Add a comment 0 things like the eltingville club https://mjengr.com

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WebApr 11, 2024 · Step 1: Create a new Project. Open Your Android Studio Click on " Start a new Android Studio project " (Learn how to set up Android Studio and create your first Android project) Choose " Empty Activity " from the project template window and click Next. Enter the App Name, Package name, save location, language ( Java / Kotlin, we use … WebNov 24, 2024 · 1 Answer. You need to call getEventId (position) on an instance of the class not on the class itself. class MainActivity : AppCompatActivity (), RecyclerItemClickListener.OnRecyclerClickListener { private val eventsDatabase: DatabaseHelper = DatabaseHelper (this) private var events = ArrayList> … WebCalling activity's methods from a separate class. (Example) Treehouse Community March 30 @ 2pm webinar: Creating an Organizational Culture of Learning Home Free Trial Sign … saks fifth avenue huntington

How do you call a method in MainActivity from another class …

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Call mainactivity method from another class

Call MainActivity function from another class as MainActivity

WebJun 26, 2013 · You can easily call a method from any Fragment inside your Activity by doing a cast like this: Java ( (MainActivity)getActivity ()).startChronometer (); Kotlin (activity as MainActivity).startChronometer () Just remember to make sure this Fragment's … WebDec 11, 2015 · Certain methods can't be started manually but are called automatically once you start an Activity, see the Android reference on Activities, especially the 'Activity Lifecycle' section. The easiest way to start an Activity would be. Intent intent = new Intent (MainActivity.this, Droidian.class); startActivity (intent); Also you might want to ...

Call mainactivity method from another class

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WebSep 21, 2013 · So in my broadcast receiver class, i add the code : MainActivity main = null; void setMainActivityHandler (MainActivity main) { this.main=main; } In the end of the onReceive function of the BroadcastReceiver class, I call the main activity's function : main.verifyPhoneNumber ("hi"); In the main activity, I dynamically define and register … WebJun 10, 2024 · You can not create instance your activity by MainActivity activity=new MainActivity ();. Correct method is using instanceof if (context instanceof MainActivity) { MainActivity activity = (MainActivity)context; activity.TestMe (); } Share Improve this answer Follow answered Jun 10, 2024 at 11:10 Piyush 18.9k 5 32 63 Add a comment 1

WebMar 11, 2024 · Hi I am kind of new to android, still learning. And my problem is that, for example I have a method which was created in the MainActivity and I need to call it from another class. Is it a good practice to get the instance of the MainActivity so that I may be able to call the method in the MainActivity from another class? This is an example:

WebOct 24, 2024 · class MainActivity : ComponentActivity () { private val weatherAPI = "rNCnpnQge4Il62hiTcLVX6FAr8IPG7oW" override fun onCreate (savedInstanceState: Bundle?) { super.onCreate (savedInstanceState) setContent { composable { getRegionsHttp () } } } @Composable fun composable (regionsHttp: () ->Unit) {} Share Improve this … WebSep 14, 2016 · Add a comment. 1. Create a singleton class in Kotlin using the object keyword and call Kotlin singleton class in Java like below : object SampleSingleton { fun someMethod () { println ("I love coding") } } If from Java then as follows. public static void main (String args []) { SampleSingleton.INSTANCE.someMethod (); }

WebAug 18, 2024 · The problem with the way you currently call the method, is that you don't pass any arguments: BrokerRequest takes two String arguments, but you do …

WebApr 12, 2024 · ((MainActivity)getApplicationContext()).refreshNBName(); Because getApplicationContext will return you context of application class which is not MainActivity. I have gone through your question, you need not call any method from another activity. If you want update navigation drawer. You can call refreshNBName() on onResume() of … saks fifth avenue huntington stationWebCall MainActivity method from another class in android. Technically, the myMethod will get called, but since you create the MainActivity yourself, it's not attached to anything. … saks fifth avenue in beachwood ohioWebOct 15, 2011 · The main class will read from a file and uses the second class to find how may times the same words have been repeated in the file and add them to an array that contans the words and number of times the word repeated. I am ok … things like that meaningWebWe would like to show you a description here but the site won’t allow us. things like this movieWeb您好，我一直在嘗試通過json將值從android表單傳遞到php頁面，並通過JSON獲取結果，我有一個示例並將其實現。 在該示例中，我將通過android表單輸入的用戶名和密碼通過頁面中的json通過php頁面傳遞到php頁面，它檢索從表單數據庫傳遞的詳細信息的作用並將結果傳遞給android類， saks fifth avenue illinois locationsWebJan 23, 2024 · To open a new MainActivity, you use an Intent. In your case, you should have a reference to the original MainActivity instance, and call this method there. Not … things like the peace corpsWebJan 23, 2015 · One possible solution is to use LocalBroadcastManager to communicate between your receiver class and your activity class: Fire up an Intent in your receiver class in onReceive () with: Intent i = new Intent ("NameYourIntentHere"); LocalBroadcastManager.getInstance (context).sendBroadcast (i); Get the … things like the army