【android】实现手指滑动来切换activity(转)

http://code.eoe.cn/115

1.jpg外部引用 原始文档

MainActivity.java外部引用 原始文档

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package misc.demo; import java.util.ArrayList; import android.app.ActivityGroup; import android.content.Intent; import android.os.Bundle; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.view.View; import android.view.Window; public class MainActivity extends ActivityGroup { private View oneView; private View twoView; private View threeView; private ArrayList<View> views; private ViewPager mViewPager;//多页面滑动切换效果 /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main); views = new ArrayList<View>(); mViewPager = (ViewPager)findViewById(R.id.main_viewpager); mViewPager.setOnPageChangeListener(null); initView(); addViews(); PagerAdapter mPagerAdapter = new PagerAdapter() { @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0 == arg1; } @Override public int getCount() { return views.size(); } @Override public void destroyItem(View container, int position, Object object) { ((ViewPager)container).removeView(views.get(position)); } @Override public Object instantiateItem(View container, int position) { ((ViewPager)container).addView(views.get(position)); return views.get(position); } }; mViewPager.setAdapter(mPagerAdapter); } /** * 将相应的Activity转换成View对象 */ public void initView(){ oneView=getViews(OneActivity.class,"one"); twoView=getViews(TwoActivity.class,"one"); threeView=getViews(ThreeActivity.class,"one"); } /** * 将转换成View后的Activity添加到列表中 */ public void addViews(){ views.add(oneView); views.add(twoView); views.add(threeView); } /** * 获取要跳转的Activity对应的View * @param cls目的Activity * @param pageid目的Activity的唯一id * @return 返回一个View类型的变量 */ public View getViews(Class<?> cls,String pageid){ return getLocalActivityManager().startActivity(pageid, new Intent(MainActivity.this,cls).addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT)).getDecorView(); } }