一.布局文件
<?xml version="1.0" encoding="utf-8"?><android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="9" />
<RadioGroup
android:id="@+id/radiogroup"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.8"
android:orientation="horizontal">
<RadioButton
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:checked="true"
android:drawableTop="@drawable/s_see"
android:gravity="center"
android:padding="10dp"
android:text="影片" />
<RadioButton
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:drawableTop="@drawable/s_message"
android:gravity="center"
android:padding="10dp"
android:text="影院" />
<RadioButton
android:id="@+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:drawableTop="@drawable/s_start"
android:gravity="center"
android:padding="10dp"
android:text="会员" />
<RadioButton
android:id="@+id/button4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:drawableTop="@drawable/s_people"
android:gravity="center"
android:padding="10dp"
android:text="我的" />
</RadioGroup>
二.Java代码
public class MainActivity extends FragmentActivity {
private ViewPager viewPager;
private RadioGroup group;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//找控件
viewPager = (ViewPager) findViewById(R.id.viewpager);
group = (RadioGroup) findViewById(R.id.radiogroup);
//创建fragment集合
final ArrayList<Fragment> list = new ArrayList<>();
list.add(new Fragment1());
list.add(new Fragment2());
list.add(new Fragment3());
list.add(new Fragment4());
//配置适配器
viewPager.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
@Override
public Fragment getItem(int i) {
return list.get(i);
}
@Override
public int getCount() {
return list.size();
}
});
//给viewpager设置监听
viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int i, float v, int i1) {
}
@Override
public void onPageSelected(int i) {
group.check(group.getChildAt(i).getId());
}
@Override
public void onPageScrollStateChanged(int i) {
}
});
//给radiogroup设置监听
group.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch (checkedId) {
case R.id.button1:
viewPager.setCurrentItem(0);
break;
case R.id.button2:
viewPager.setCurrentItem(1);
break;
case R.id.button3:
viewPager.setCurrentItem(2);
break;
case R.id.button4:
viewPager.setCurrentItem(3);
break;
}
}
});
}