Web Reference: Jul 23, 2025 · To Handle the NullPointerException smoothly without making the app crash, we use the "Try - Catch Block" in Android. Try: The Try block executes a piece of code that is likely to crash or a place where the exception occurs. Summary Public constructors Null Pointer Exception () Constructs a NullPointerException with no detail message. NullPointerException (String s) Constructs a NullPointerException with the specified detail message. If you are still having this problem, even after deleting .gradle folder under your project's path, as suggested above, kill all Java processes running on the task manager and try to update your Android Studio.
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