PromotionActivity.java

package com.yokmama.learn10.demo;

import android.content.Intent;
import android.graphics.Color;
import android.net.Uri;
import android.support.design.widget.CollapsingToolbarLayout;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;


public class PromotionActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_promotion);

        Toolbar toolbar = (Toolbar)findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        CollapsingToolbarLayout collapsingToolbarLayout = (CollapsingToolbarLayout)findViewById(R.id.collapsingToolbarLayout);
        //タイトル文字を設定
        collapsingToolbarLayout.setTitle(getString(R.string.promotion_title));
        //閉じたときのタイトル文字色を設定
        collapsingToolbarLayout.setCollapsedTitleTextColor(Color.WHITE);
        //開いたときのタイトル文字色を設定
        collapsingToolbarLayout.setExpandedTitleColor(Color.WHITE);
        collapsingToolbarLayout.setExpandedTitleTextAppearance(R.style.toolbar_expanded_text);
        collapsingToolbarLayout.setCollapsedTitleTextAppearance(R.style.toolbar_collapsed_text);

        findViewById(R.id.btnOrder).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Uri uri = Uri.parse("http://www.shoeisha.co.jp/book/detail/9784798141343");
                Intent intent = new Intent(Intent.ACTION_VIEW,uri);
                startActivity(intent);
            }
        });
    }

}