android.support.test.testapp.SimplePagerAdapter.java Source code

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Here is the source code for android.support.test.testapp.SimplePagerAdapter.java

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/*
 * 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 android.support.test.testapp;

import android.graphics.Color;
import android.support.v4.view.PagerAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

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
    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);
    }
}