how to add image which is selected from gallary as a sticker?

[rahul107]

Error Accured

java.lang.NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference
at com.example.abner.stickerdemo.view.StickerView.isInBitmap(StickerView.java:430)
at com.example.abner.stickerdemo.view.StickerView.onTouchEvent(StickerView.java:288)
at android.view.View.dispatchTouchEvent(View.java:9306)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2554)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2198)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2554)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2198)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2554)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2198)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2554)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2198)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2554)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2198)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2554)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2198)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2554)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2198)
at com.android.internal.policy.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2403)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1737)
at android.app.Activity.dispatchTouchEvent(Activity.java:2820)
at android.support.v7.internal.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:60)
at android.support.v7.internal.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:60)
at com.android.internal.policy.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2364)
at android.view.View.dispatchPointerEvent(View.java:9526)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4267)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:4133)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3674)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3727)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3693)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3819)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3701)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3876)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3674)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3727)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3693)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3701)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3674)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5959)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5933)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5894)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:6062)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:187)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:323)
at android.os.Looper.loop(Looper.java:138)
at android.app.ActivityThread.main(ActivityThread.java:5527)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)

[aZyreTech]

get your selected image bitmap and set it in a stickerView using stickerView.setBitmap(bitmap);