Android ViewPager实现左右滑动翻页效果

2023-09-18 20:07:05 61

packagecom.example.demo; importjava.util.ArrayList; importandroid.app.Activity; importandroid.content.Context; importandroid.os.Bundle; importandroid.support.v4.view.PagerAdapter; importandroid.support.v4.view.ViewPager; importandroid.view.View; importandroid.view.ViewGroup; importandroid.widget.TextView; publicclassMainActivityextendsActivity{ @Override protectedvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ViewPagermViewPager=(ViewPager)findViewById(R.id.viewPager); PagerAdaptermPagerAdapter=newMyPagerAdapter(this); mViewPager.setAdapter(mPagerAdapter); } privateclassMyPagerAdapterextendsPagerAdapter{ privateContextcontext; privateArrayListviews; publicMyPagerAdapter(Contextcontext){ this.context=context; views=newArrayList(); for(inti=0;i<30;i++){ TextViewtv=newTextView(context); tv.setText(""+i); views.add(tv); } } @Override publicintgetCount(){ returnviews.size(); } @Override publicvoiddestroyItem(ViewGroupcontainer,intposition,Objectobject){ container.removeView(views.get(position)); } @Override publicViewinstantiateItem(ViewGroupcontainer,intposition){ ((ViewGroup)container).addView(views.get(position)); returnviews.get(position); } @Override publicbooleanisViewFromObject(Viewarg0,Objectarg1){ returnarg0==arg1; } } }

Android ViewPager实现左右滑动翻页效果

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