ConstantState.newDrawable(android.content.res.Resources)' on a null object reference at android.graphics.drawable.LayerDrawable$LayerState.<init>(LayerDrawable.java:100
setContentView(R.layout.activity_test_layer_drawable2); LayerDrawableld = new LayerDrawable(new Drawable[]{dra(this, R.drawable.ic_insert_drive_file_black_48dp), new Rect