从图库中选择图片后，应用崩溃

Question

So whenever I select a picture from the gallery in my app, it crashes. Here is the code for the button to the gallery and selected picture to the imageview.

pickImageButton.setOnClickListener(new OnClickListener() {
         @Override
         public void onClick(View v) {
            openGallery();
         }
      });




}
private void openGallery() {                     //opens the gallery
      Intent gallery = 
         new Intent(Intent.ACTION_PICK, 
         android.provider.MediaStore.Images.Media.INTERNAL_CONTENT_URI);
      startActivityForResult(gallery, PICK_IMAGE);
   }
@Override
   protected void onActivityResult(int requestCode, int resultCode, Intent data) {
      super.onActivityResult(requestCode, resultCode, data);
      if (resultCode == RESULT_OK && requestCode == PICK_IMAGE) {
         Uri imageUri = data.getData();
         imageView2.setImageURI(imageUri);
      }
   }

Please comment if you need more information, I desperately need help, as this is a very major roadblock for me.

Answer 1

Without the Logs, I can recommend on the following:

Make sure that pickImageButton isn't null.

Make sure that imageView2 isn't null.

Make sure that in manifest your Activity is in:

android:launchMode="singleTop"