java.lang.NullPointerException

Attempt to invoke virtual method 'void android.widget.ProgressBar.setVisibility(int)' on a null object reference

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Solutions on the web21070

  • Attempt to invoke virtual method 'void android.widget.ProgressBar.setVisibility(int)' on a null object reference
  • via GitHub by msay2
    , 4 months ago
    Attempt to invoke virtual method 'void android.widget.ProgressBar.setVisibility(int)' on a null object reference
  • Attempt to invoke virtual method 'void android.widget.ProgressBar.setVisibility(int)' on a null object reference
  • Stack trace

    • java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ProgressBar.setVisibility(int)' on a null object reference at musial.pzstis.com.pzstiz.Main2Activity$myWebClient.onPageFinished(Main2Activity.java:66) at com.android.webview.chromium.WebViewContentsClientAdapter.onPageFinished(WebViewContentsClientAdapter.java:531) at org.chromium.android_webview.AwContentsClientCallbackHelper$MyHandler.handleMessage(AwContentsClientCallbackHelper.java:188) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6119) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)

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