content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package androidx.test.ui.app;
  
  import android.graphics.Color;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.TextView;
  import androidx.viewpager.widget.PagerAdapter;
  
  @SuppressWarnings("SetTextI18n")
  class SimplePagerAdapter extends PagerAdapter {
  
    private static final int[] COLORS = {
      Color.BLUE,
      Color.RED,
      Color.YELLOW,
    };
  
    private static final int NUM_PAGES = COLORS.length;
  
    @Override
    public int getCount() {
      return NUM_PAGES;
    }
  
    @Override
    public boolean isViewFromObject(View view, Object object) {
      return view == object;
    }
  
    @Override
    public int getItemPosition(Object object) {
      return ((ViewGroup) ((View) object).getParent()).indexOfChild((View) object);
    }
  
    @Override
    @SuppressWarnings("InflateParams")
    public Object instantiateItem(ViewGroup container, int position) {
      LayoutInflater inflater = LayoutInflater.from(container.getContext());
      View view = inflater.inflate(R.layout.pager_view, null);
      ((TextView) view.findViewById(R.id.pager_content)).setText("Position #" + position);
      view.setBackgroundColor(COLORS[position]);
      container.addView(view);
      return view;
    }
  
    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
      container.removeView((View) object);
    }
  }
  