效果:
package cn.taurusxi.guidebackgroundcoloranimation.sample;import android.annotation.SuppressLint;import android.os.Bundle;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentActivity;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentStatePagerAdapter;import android.support.v4.view.ViewPager;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import cn.taurusxi.guidebackgroundcoloranimation.library.ColorAnimationView;public class SampleActivity extends FragmentActivity implements ColorAnimationView.OnPageChangeListener { private static final int[] resource = new int[]{R.drawable.welcome1, R.drawable.welcome4, R.drawable.welcome3, R.drawable.welcome4}; private static final String TAG = SampleActivity.class.getSimpleName(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_sample); MyFragmentStatePager adpter = new MyFragmentStatePager(getSupportFragmentManager()); ColorAnimationView colorAnimationView = (ColorAnimationView) findViewById(R.id.ColorAnimationView); ViewPager viewPager = (ViewPager) findViewById(R.id.viewPager); viewPager.setAdapter(adpter); /** * 首先，你必须在 设置 Viewpager的 adapter 之后在调用这个方法 * 第二点，setmViewPager(ViewPager mViewPager,Object obj, int count, int... colors) * 第一个参数 是 你需要传人的 viewpager * 第二个参数 是 一个实现了ColorAnimationView.OnPageChangeListener接口的Object,用来实现回调 * 第三个参数 是 viewpager 的 孩子数量 * 第四个参数 int... colors ，你需要设置的颜色变化值~~ 如何你传人 空，那么触发默认设置的颜色动画 * */ /** * Frist: You need call this method after you set the Viewpager adpter; * Second: setmViewPager(ViewPager mViewPager,Object obj， int count, int... colors) * so,you can set any length colors to make the animation more cool! * Third: If you call this method like below, make the colors no data, it will create * a change color by default. * */ colorAnimationView.setmViewPager(viewPager, this, resource.length); // Four : Also ,you can call this method like this: // colorAnimationView.setmViewPager(viewPager,this,resource.length,0xffFF8080,0xff8080FF,0xffffffff,0xff80ff80); } // 实现 OnPageChangeListener的回调方法 //Implement OnPageChangeListener callback methods @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { Log.e(TAG, "call onPageScrolled method"); } // 实现 OnPageChangeListener的回调方法 //Implement OnPageChangeListener callback methods @Override public void onPageSelected(int position) { Log.e(TAG, "call onPageSelected method"); } // 实现 OnPageChangeListener的回调方法 //Implement OnPageChangeListener callback methods @Override public void onPageScrollStateChanged(int state) { Log.e(TAG, "call onPageScrollStateChanged method"); } public class MyFragmentStatePager extends FragmentStatePagerAdapter { public MyFragmentStatePager(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { return new MyFragment(position); } @Override public int getCount() { return resource.length; } } @SuppressLint("ValidFragment") public class MyFragment extends Fragment { private int position; public MyFragment(int position) { this.position = position; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { ImageView imageView = new ImageView(getActivity()); imageView.setImageResource(resource[position]); return imageView; } }}