Viewpager的用法

import java.util.ArrayList;
import java.util.List;

import android.os.Bundle;
import android.app.Activity;
import android.graphics.Color;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity implements OnClickListener {

private List<View> list;
private ViewPager viewpager;
private Button button1;
private Button button2;
private Button button3;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setData();
button1 = (Button) findViewById(R.id.button1);
button2 = (Button) findViewById(R.id.button2);
button3 = (Button) findViewById(R.id.button3);
button1 .setOnClickListener(this);
button2.setOnClickListener(this);
button3.setOnClickListener(this);

viewpager = (ViewPager) findViewById(R.id.viewpager);
viewpager.setAdapter(new MyPagerAdapter(list));
viewpager.setCurrentItem(1);
setButtonColor(viewpager.getCurrentItem());
viewpager.setOnPageChangeListener(new OnPageChangeListener() {

@Override
public void onPageSelected(int position) {
setButtonColor(position);

}

@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
// TODO Auto-generated method stub

}

@Override
public void onPageScrollStateChanged(int arg0) {
// TODO Auto-generated method stub

}
});

}

private void setData() {
list = new ArrayList<View>();
View view1=View.inflate(MainActivity.this,R.layout.viewpager_1, null);
View view2=View.inflate(MainActivity.this,R.layout.viewpager_2,null);
View view3=View.inflate(MainActivity.this,R.layout.viewpager_3,null);
list.add(view1);
list.add(view2);
list.add(view3);
}
private void setButtonColor(int position) {
// TODO Auto-generated method stub
switch(position){
case 0:
button1.setTextColor(Color.WHITE);

button2.setTextColor(Color.BLACK);
button3.setTextColor(Color.BLACK);
break;
case 1:
button2.setTextColor(Color.WHITE);

button1.setTextColor(Color.BLACK);
button3.setTextColor(Color.BLACK);
break;
case 2:
button3.setTextColor(Color.WHITE);

button2.setTextColor(Color.BLACK);
button1.setTextColor(Color.BLACK);
break;
}
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:
viewpager.setCurrentItem(0);

break;
case R.id.button2:
viewpager.setCurrentItem(1);

break;
case R.id.button3:
viewpager.setCurrentItem(2);

break;

}

}

}

import java.util.List;

import android.support.v4.view.PagerAdapter;
import android.view.View;
import android.view.ViewGroup;

public class MyPagerAdapter extends PagerAdapter{
List<View> list;
public MyPagerAdapter(List<View> list) {
this.list=list;
}

@Override
public int getCount() {

return list.size();
}

@Override
public boolean isViewFromObject(View view, Object object) {

return view==object;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((View) object);
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
container.addView(list.get(position));
return list.get(position);
}
}

外页面 自定义页面 Viewpager+Fragment (Fragment导V4包)

import java.util.ArrayList;

import java.util.List;
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.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends FragmentActivity implements OnClickListener{

private ViewPager viewPager;
private Button button1;
private Button button2;
private Button button3;
private List<Fragment> list;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
viewPager = (ViewPager) findViewById(R.id.viewpager);

button1 = (Button) findViewById(R.id.button1);
button2 = (Button) findViewById(R.id.button2);
button3 = (Button) findViewById(R.id.button3);

button1.setOnClickListener(this);
button2.setOnClickListener(this);
button3.setOnClickListener(this);
setCon();
FragmentManager fm = getSupportFragmentManager();
viewPager.setAdapter(new MyFragmentpagerAdapter(fm, list));
viewPager.setOnPageChangeListener(new OnPageChangeListener() {

@Override
public void onPageSelected(int arg0) {
// TODO Auto-generated method stub
Toast.makeText(MainActivity.this, "当前页面是：页卡"+(arg0+1), 0).show();
}

@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
// TODO Auto-generated method stub

}

@Override
public void onPageScrollStateChanged(int arg0) {
// TODO Auto-generated method stub

}
});
}

private void setCon() {
list = new ArrayList<Fragment>();
Fragment1 f1=new Fragment1();
Fragment2 f2=new Fragment2();
Fragment3 f3=new Fragment3();
list.add(f1);
list.add(f2);
list.add(f3);
}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:
viewPager.setCurrentItem(0);
break;
case R.id.button2:
viewPager.setCurrentItem(1);
break;
case R.id.button3:
viewPager.setCurrentItem(2);
break;

}

}

}

import java.util.List;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.PagerAdapter;
import android.view.View;

public class MyFragmentpagerAdapter extends FragmentPagerAdapter {
List<Fragment> list;
public MyFragmentpagerAdapter(FragmentManager fm, List<Fragment> list) {
super(fm);
this.list=list;
}

@Override
public Fragment getItem(int arg0) {
// TODO Auto-generated method stub
return list.get(arg0);
}

@Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}

}

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class Fragment1 extends Fragment{
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
View view=inflater.inflate(R.layout.fragment1, null);
return view;
}
}