java.lang.IllegalStateException: Camera already started! #56
Description
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.shanky.qrscanner, PID: 8249
java.lang.IllegalStateException: Camera already started!
at github.nisrulz.qreader.QREader.startCameraView(QREader.java:213)
at github.nisrulz.qreader.QREader.start(QREader.java:176)
at github.nisrulz.qreader.QREader$2.onGlobalLayout(QREader.java:118)
at android.view.ViewTreeObserver.dispatchOnGlobalLayout(ViewTreeObserver.java:981)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2414)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1522)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:7098)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:927)
at android.view.Choreographer.doCallbacks(Choreographer.java:702)
at android.view.Choreographer.doFrame(Choreographer.java:638)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:913)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6682)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1520)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1410)
This happens when application goes in paused state while scanning qr code and just resume the application it will crash
This is the code for paused state and resume state
@OverRide
protected void onPause() {
super.onPause();
if (hasCameraPermission) {
// Cleanup in onPause()
// --------------------
qrEader.releaseAndCleanup();
}
}
@Override
protected void onResume() {
super.onResume();
if (hasCameraPermission) {
// Init and Start with SurfaceView
// -------------------------------
qrEader.initAndStart(mySurfaceView);
}
}