How to I create a 100% custom DialogFragment

Question

I want to have an Android dialog using Fragments that is fully customized: none of the platform dialog theme pieces are included. For example, something like this:

Answer 1

Code below will help you to display full screen dialog and it also set transparent color

Dialog dialog = new Dialog(this);
dialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
dialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
// layout to display
dialog.setContentView(R.layout.about_program_dialog_layout);

// set color transpartent
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));

dialog.show();

about_program_dialog_layout.xml