DialogBuilder customBuilder = new DialogBuilder(this) {

			@Override
			public Dialog build() {
				mBuilder.setTitle(R.string.app_name);
				
				//mBuilder.setMessage(R.string.show_dialog_custom_btn);
				mBuilder.setContentView(mInflater.inflate(
						R.layout.custom_content, null));

				mBuilder.addButton(getString(R.string.dialog_btn_cancel),
						new OnClickListener() {

							@Override
							public void onClick(View v) {
								dialog.dismiss();
							}
						});
				mBuilder.addButton(getString(R.string.action_settings),
						new OnClickListener() {

							@Override
							public void onClick(View v) {
								dialog.dismiss();
							}
						});
				mBuilder.addButton(getString(R.string.dialog_btn_ok),
						new OnClickListener() {

							@Override
							public void onClick(View v) {
								dialog.dismiss();
							}
						});
				return mBuilder.create();
			}
		};

		Dialog dialog = customBuilder.build();
		dialog.show();