Attempt to invoke virtual method 'void android.widget.ImageView.setImageDrawable' on a null object reference

java.lang.RuntimeException: Unable to destroy activity
{com.example.demo.androidAppdemo/com.example.demo.androidAppdemo.MainActivity}:
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setImageDrawable(android.graphics.drawable.Drawable)' on a null object reference
        at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3945)
        at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3963)
        at android.app.ActivityThread.access$1700(ActivityThread.java:151)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1454)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:157)
        at android.app.ActivityThread.main(ActivityThread.java:5604)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:774)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652)
     Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setImageDrawable(android.graphics.drawable.Drawable)' on a null object reference
        at com.example.demo.androidAppdemo.V2.NavigationDrawer.NavigationDrawerFragment$2.setResource(NavigationDrawerFragment.java:594)
        at com.example.demo.androidAppdemo.V2.NavigationDrawer.NavigationDrawerFragment$2.setResource(NavigationDrawerFragment.java:588)
        at com.bumptech.glide.request.target.ImageViewTarget.setResourceInternal(ImageViewTarget.java:127)
        at com.bumptech.glide.request.target.ImageViewTarget.onLoadCleared(ImageViewTarget.java:97)
        at com.bumptech.glide.request.SingleRequest.clear(SingleRequest.java:319)
        at com.bumptech.glide.manager.RequestTracker.clearRemoveAndMaybeRecycle(RequestTracker.java:79)
        at com.bumptech.glide.manager.RequestTracker.clearRemoveAndRecycle(RequestTracker.java:66)
        at com.bumptech.glide.RequestManager.untrack(RequestManager.java:603)
        at com.bumptech.glide.RequestManager.untrackOrDelegate(RequestManager.java:571)
        at com.bumptech.glide.RequestManager.clear(RequestManager.java:559)
        at com.bumptech.glide.RequestManager.onDestroy(RequestManager.java:303)
        at com.bumptech.glide.manager.ActivityFragmentLifecycle.onDestroy(ActivityFragmentLifecycle.java:65)
        at com.bumptech.glide.manager.SupportRequestManagerFragment.onDestroy(SupportRequestManagerFragment.java:194)
        at android.support.v4.app.Fragment.performDestroy(Fragment.java:2588)
        at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1566)
        at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1759)
        at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1827)
        at android.support.v4.app.FragmentManagerImpl.dispatchStateChange(FragmentManager.java:3244)
        at android.support.v4.app.FragmentManagerImpl.dispatchDestroy(FragmentManager.java:3235)
        at android.support.v4.app.Fragment.performDestroy(Fragment.java:2583)
        at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1566)
        at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1759)
        at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1827)
        at android.support.v4.app.FragmentManagerImpl.dispatchStateChange(FragmentManager.java:3244)
        at android.support.v4.app.FragmentManagerImpl.dispatchDestroy(FragmentManager.java:3235)
        at android.support.v4.app.FragmentController.dispatchDestroy(FragmentController.java:265)
        at android.support.v4.app.FragmentActivity.onDestroy(FragmentActivity.java:390)
        at android.support.v7.app.AppCompatActivity.onDestroy(AppCompatActivity.java:209)
        at com.example.demo.androidAppdemo.BaseActivity.onDestroy(BaseActivity.java:867)
        at com.example.demo.androidAppdemo.MainActivity.onDestroy(MainActivity.java:783)
        at android.app.Activity.performDestroy(Activity.java:6529)
    at android.app.Instrumentation.callActivityOnDestroy(

Above error thrown while closing app-BaseActivity is being destroyed. Getting this error while setting the Profile Photo of user in the navigation drawer fragment. This error is thrown when closing the app just after app starts. This error is being thrown in the below code while setting image using setImageDrawable after the converting the image to circular image using the RoundedBitmapDrawableFactory and using Glide V4.

 GlideApp.with(NavigationDrawerFragment.this).asBitmap().load(profilePhotoUrl).centerCrop().into(new BitmapImageViewTarget(navigation_header_splash_icon) {
                    @Override
                    protected void setResource(Bitmap resource) {
                        RoundedBitmapDrawable circularBitmapDrawable =
  RoundedBitmapDrawableFactory.create(NavigationDrawerFragment.this.getResources(),resource);
                        circularBitmapDrawable.setCircular(true);
//getting error in below line
                        navigation_header_splash_icon.setImageDrawable(circularBitmapDrawable);
                    }
                });

Replace the above

    GlideApp.with(NavigationDrawerFragment.this)
                        .asBitmap()
                        .load(profilePhotoUrl)
                        .diskCacheStrategy(DiskCacheStrategy.ALL)
                        .error(R.drawable.splash_icon)
                        .placeholder(R.drawable.splash_icon)
                        .transforms(new RoundedCorner( Application.get(),dpToPx(75/2), 1))
                        .into(navigation_header_splash_icon);

or Use glide V 4 library RequestOptions to crop the image to circular image

Glide.with(NavigationDrawerFragment.this)
        .load(profilePhotoUrl)
        .apply(RequestOptions.circleCropTransform())
        .into(navigation_header_splash_icon);

Glide v4: Glide treats LayoutParams.WRAP_CONTENT as a request for an image the size of this device's screen

10-13 12:56:00.395 2255-2255/com.example.demo.androidAppdemo
I/ViewTarget: Glide treats LayoutParams.WRAP_CONTENT as a request for
an image the size of this device's screen dimensions. If you want to load
the original image and are ok with the corresponding memory cost and OOMs
(depending on the input size), use .override(Target.SIZE_ORIGINAL).

Otherwise, use LayoutParams.MATCH_PARENT,
set layout_width and layout_height to fixed dimension,
or use .override() with fixed dimensions.