使用ViewPager实现左右滑动翻页.zip

package com.wxw.activity; import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.os.Bundle; import android.support.v4.view.ViewPager; import android.support.v4.view.ViewPager.OnPageChangeListener; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.widget.EditText; import android.widget.RelativeLayout; import com.wxw.adpter.MyPagerAdapter; public class TabHostDemoActivity extends Activity { /** Called when the activity is first created. */ private ViewPager myViewPager; private MyPagerAdapter myAdapter; private LayoutInflater mInflater; private List<View> listViews; private View layout1 = null; private View layout2 = null; private View layout3 = null; private View layout4 = null; private RelativeLayout rmml1, rmml2, rmml3, rmml4; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // 顶部菜单布局对象 rmml1 = (RelativeLayout) findViewById(R.id.rmml1); rmml2 = (RelativeLayout) findViewById(R.id.rmml2); rmml3 = (RelativeLayout) findViewById(R.id.rmml3); rmml4 = (RelativeLayout) findViewById(R.id.rmml4); rmml1.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { setImageBackground(0); myViewPager.setCurrentItem(0); } }); rmml2.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { setImageBackground(1); myViewPager.setCurrentItem(1); } }); rmml3.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { setImageBackground(2); myViewPager.setCurrentItem(2); } }); rmml4.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { setImageBackground(3); myViewPager.setCurrentItem(3); } }); listViews = new ArrayList<View>(); mInflater = getLayoutInflater(); layout1 = mInflater.inflate(R.layout.help1, null); layout2 = mInflater.inflate(R.layout.help2, null); layout3 = mInflater.inflate(R.layout.help3, null); layout4 = mInflater.inflate(R.layout.help4, null); listViews.add(layout1); listViews.add(layout2); listViews.add(layout3); listViews.add(layout4); myAdapter = new MyPagerAdapter(listViews); myViewPager = (ViewPager) findViewById(R.id.myMesPager); myViewPager.setAdapter(myAdapter); myViewPager.setCurrentItem(0); myViewPager.setOnPageChangeListener(new OnPageChangeListener() { @Override public void onPageSelected(int arg0) { View view = listViews.get(arg0); EditText edit; // activity从1到2滑动，2被加载后掉用此方法 switch (arg0) { case 0: edit = (EditText) view.findViewById(R.id.one); edit.setText("当前：第一页"); setImageBackground(0); break; case 1: edit = (EditText) view.findViewById(R.id.two); edit.setText("当前：第二页"); setImageBackground(1); break; case 2: edit = (EditText) view.findViewById(R.id.three); edit.setText("当前：第三页"); setImageBackground(2); break; case 3: edit = (EditText) view.findViewById(R.id.four); edit.setText("当前：第四页"); setImageBackground(3); break; default: break; } } @Override public void onPageScrolled(int arg0, float arg1, int arg2) { // 从1到2滑动，在1滑动前调用 } @Override public void onPageScrollStateChanged(int arg0) { Log.d("k", "onPageScrollStateChanged - " + arg0); // 状态有三个0空闲，1是增在滑行中，2目标加载完毕 } }); } private void setImageBackground(int position) { switch (position) { case 0: rmml1.setBackgroundResource(R.drawable.ico_menu_focus); rmml2.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml3.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml4.setBackgroundResource(R.drawable.ico_menu_nofocus); break; case 1: rmml1.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml2.setBackgroundResource(R.drawable.ico_menu_focus); rmml3.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml4.setBackgroundResource(R.drawable.ico_menu_nofocus); break; case 2: rmml1.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml2.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml3.setBackgroundResource(R.drawable.ico_menu_focus); rmml4.setBackgroundResource(R.drawable.ico_menu_nofocus); break; case 3: rmml1.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml2.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml3.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml4.setBackgroundResource(R.drawable.ico_menu_focus); break; case 4: rmml1.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml2.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml3.setBackgroundResource(R.drawable.ico_menu_nofocus); rmml4.setBackgroundResource(R.drawable.ico_menu_focus); break; default: break; } } }