Call mainactivity method from another class

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August undefined, 2024

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: WebJan 17, 2024 · 0. use interface to communicate with activity from non activity class. create colorChange () in interface and get the instance of interface in non activity class and call that method. class MainActivity { interface mInterface = new interface () { public void colorChange () { } } } pass mInterface to non activity class and call colorChange of ...

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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 ... flippers cheap

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WebJan 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 … 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 WebJan 3, 2015 · So I have a Xamarin.Forms solution and there's an Android project plus a Portable Class Library. I am calling the starting page from the MainActivity.cs inside the Android project which itself calls the first page from the forms defined in Portable Class Library project (by calling App.GetMainPage()). flippers car wash

Call a Method in Another Class in Java Delft Stack

How to call a Main activity method in another non activity class

WebFeb 24, 2013 · When you initialize the SecondClass in MainActivity you pass a reference to MainActivity SecondClass secondClass = new SecondClass (this); Then you can use onChange (), and MainActivity.reload () should get called. secondClass.onChange (); EDIT: Well, now that you updated your question, my answer is no longer correct. Web如果您打算重用一些代碼來顯示 MainActivity 和 LoginActivity 之間的對話框，您可以將 function 移動到一個新的實用程序 class，然后將當前的 Activity 實例傳遞給 function。在將代碼保留在 MainActivity 本身的同時也可以這樣做，但在我看來，前一種方法看起來更干凈。 greatest miscarriages of justiceWebJan 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 } }); flippers cheyenne

"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 … " - Call mainactivity method from another class

Call mainactivity method from another class

How can I call a function from another activity in Android?

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，

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WebJan 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 … WebAug 11, 2024 · How to call main activity method in another class in Android? You can create a static method in Mainactivity and call MainActivity.doSomeWork (). Your …

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 (); } 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 …

Web如果您打算重用一些代碼來顯示 MainActivity 和 LoginActivity 之間的對話框，您可以將 function 移動到一個新的實用程序 class，然后將當前的 Activity 實例傳遞給 function。在 … 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 ...

Web在我的应用程序中，有一个线程可以正常工作.但是，当我调用另一个类以从服务器获取数据时，我无法在线程上运行.请参阅下面的代码示例.. class MainActivity extends Activity implements Runnable { public void onCreate() { new Thread(this).start(); } public void run() { //here is code for download data from server after completion this and in ...

WebDec 24, 2014 · I have two classes, MainActivity.java and SMSMonitorService.java. When an SMS is received, I want call mySearch() in MainActivity class: MainActivity.java: //public void myClickHandler(View view) { public void mySearch() { // … flippers chordsWebCall 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. … greatest mlb closer of all timeWebI am new to android. I am trying to move from adapter to activity using Intent and the adapter has been called from a fragment. I am getting the following exception: (adsbygoogle = window.adsbygoogle []).push({}); This is my Adapter Class This is the code where I am calling the adapter from flippers chartsWebSep 21, 2024 · How to call main activity method in another class in Android? You can create a static method in Mainactivity and call MainActivity.doSomeWork (). Your … greatest mistakes that went rightWeb2 days ago · i want to call api to do a PUT method if status is 0 when on press on then stustus turns to 1 and shows success. ... mainActivity. public class MainActivity extends AppCompatActivity { private ApiService apiService; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); … greatest mlb pitching staffs of all timeWebNov 22, 2024 · This example demonstrates how do I call an activity method from a fragment in android. Step 1 − Create a new project in Android Studio, go to File ⇒ New … flippers car wash sheldonWeb2 days ago · I would to integration with surepay for adding payment in my app SurePay use java native code and in my case i want to use this native code in my flutter app everything is okay and the money is withdrawn successfully, and the payment process is done correctly, but there is a callback function from which I must take the response to make sure that … greatest mixtapes of all time