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this is the code for the customcalendar package 2 import.

i tried the app when i want to check of the calendar work and i can get the add reminder screen open but when i start the app it immediately crash. tOnItemLongClickListener(new AdapterView. Im currently making calendar events or reminder. Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.So I was trying to get a data from a list in java class to an Activity, the App crashes when I run it, also checked with the youtube nothing helped mylistview = findViewById(R.id.list) We also implement setOnTabChangeListener, so whenever a tab is changed the name of the tab is displayed by using a Toast. If the response is helpful, please click " Accept Answer" and upvote it. When I use Android 11 emulator, I met a known issue( Toast.makeText is not showing in Android 11 (with SDK 30 emulator) ), you can try to use cold boot of emulator. But was only successful to integrate the functions in bits in my app. toast.SetGravity(GravityFlags.FillHorizontal | GravityFlags.Bottom, 0, 0) I have working around facebook sdk from couple of weeks. Tv.SetForegroundGravity(GravityFlags.CenterVertical | GravityFlags.CenterHorizontal) When your app crashes for some reason (e.g., NullPointerException, NetworkOnMainThreadException, ActivityNotFoundException, etc.) the Android Studio prints out. The makeText () method returns a properly initialized Toast object. It pops up close to the bottom of the screen (by default) and automatically disappears. The duration that the toast should remain on the screen. Android Toast is a small message that the application sends to the user. TextView tv = (TextView)layout.GetChildAt(0) Instantiate a Toast object Use the makeText () method, which takes the following parameters: The application Context. LinearLayout layout = (LinearLayout)toast.View

If (Android.OS. >= Android.OS.BuildVersionCodes.R) Toast toast = Toast.MakeText(, message, ToastLength.Long) When I switch to native fragments using an Android 4.2 device it works just fine. Toast.MakeText(, message, ToastLength.Long).Show() This issue only occurs with the support library.

Since Android 11, custom toasts/ toast modifications are deprecated, that is why your app in Android 30 is not able to display custom toasts, Toast component doesn't work into Android 11 Apps can create a standard text toast with the makeText(,, int)