https://lh3.googleusercontent.com/-iknWL9Ipnjs/V_soTS5FunI/AAAAAAAAg_8/WaQYvg5iZaorZb_cDn8wMJCCGpFBmHzuQCHM/s400/Screenshot_1476077508.png

@DIV
public class NextPage {

	private MainActivity mainActivity;
	private ViewSwitcher vs;

	public NextPage(MainActivity mainActivity) {
		this.mainActivity = mainActivity;
	}

	public void initAction(){

		// 複数画面処理
		vs = (ViewSwitcher) mainActivity.findViewById(R.id.viewSwitcher);

		// activity_next.xml の 親 view です
		View include1 = mainActivity.findViewById(R.id.include1);

		// *****************************************
		// 戻るボタン
		// *****************************************
		Button backButton = (Button)include1.findViewById(R.id.backButton);
		backButton.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {

				// 最初の画面へ移動
				vs.setDisplayedChild(MainActivity.FIRST_PAGE);
			}

		});

	}
}
@END