显示效果图:
TabActivity.java:
package com.demo.tab;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.SimpleOnPageChangeListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.TextView;
import com.demo.broadcast.R;
public class TabActivity extends FragmentActivity implements OnClickListener{
private TextView tab1, tab2, tab3;
private ImageView tab1_bottom, tab2_bottom, tab3_bottom;
private ViewPager viewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.tab);
initView();
show(1);
}
private void initView() {
tab1 = (TextView) findViewById(R.id.tab1);
tab2 = (TextView) findViewById(R.id.tab2);
tab3 = (TextView) findViewById(R.id.tab3);
tab1.setOnClickListener(this);
tab2.setOnClickListener(this);
tab3.setOnClickListener(this);
tab1_bottom = (ImageView) findViewById(R.id.tab1_bottom);
tab2_bottom = (ImageView) findViewById(R.id.tab2_bottom);
tab3_bottom = (ImageView) findViewById(R.id.tab3_bottom);
viewPager = (ViewPager) findViewById(R.id.viewPager);
TabPagerAdapter adapter = new TabPagerAdapter(getSupportFragmentManager());
viewPager.setAdapter(adapter);
viewPager.setOnPageChangeListener(new SimpleOnPageChangeListener(){
@Override
public void onPageSelected(int arg0) {
show(arg0);
}
});
viewPager.setCurrentItem(1);
}
private void show(int position){
tab1_bottom.setVisibility(position == 0 ? View.VISIBLE : View.INVISIBLE);
tab2_bottom.setVisibility(position == 1 ? View.VISIBLE : View.INVISIBLE);
tab3_bottom.setVisibility(position == 2 ? View.VISIBLE : View.INVISIBLE);
}
@Override
public void onClick(View v) {
switch(v.getId()){
case R.id.tab1:
viewPager.setCurrentItem(0);
break;
case R.id.tab2:
viewPager.setCurrentItem(1);
break;
case R.id.tab3:
viewPager.setCurrentItem(2);
break;
}
}
}
TabPagerAdapter.java:
package com.demo.tab;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
public class TabPagerAdapter extends FragmentPagerAdapter{
private static int TCOUNT = 3;
private TabFragment[] fragments = new TabFragment[TCOUNT];
public TabPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
TabFragment fragment = new TabFragment();
Bundle args = new Bundle();
args.putInt("section_number", position);
fragment.setArguments(args);
fragments[position] = fragment;
return fragment;
}
@Override
public int getCount() {
return TCOUNT;
}
}
TabFragment.java:
package com.demo.tab;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.demo.broadcast.R;
public class TabFragment extends Fragment{
private int section;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
section = getArguments().getInt("section_number");
if(section == 0){
View view = inflater.inflate(R.layout.tab1, container, false);
return view;
}else if(section == 1){
View view = inflater.inflate(R.layout.tab2, container, false);
return view;
}else if(section == 2){
View view = inflater.inflate(R.layout.tab3, container, false);
return view;
}
return null;
}
}
tab.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
android:orientation="vertical" >
<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1" />
<!-- tab标签栏 -->
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="60dp"
android:background="#000000" >
<TextView
android:id="@+id/tab1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="center"
android:text="tab1"
android:textColor="#ffffff"
android:textSize="18sp" />
<View
android:layout_width="1dp"
android:layout_height="30dp"
android:layout_gravity="center_vertical"
android:background="#F3F2F6" />
<TextView
android:id="@+id/tab2"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="center"
android:text="tab2"
android:textColor="#ffffff"
android:textSize="18sp" />
<View
android:layout_width="1dp"
android:layout_height="30dp"
android:layout_gravity="center_vertical"
android:background="#F3F2F6" />
<TextView
android:id="@+id/tab3"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="center"
android:text="tab3"
android:textColor="#ffffff"
android:textSize="18sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<ImageView
android:id="@+id/tab1_bottom"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@drawable/tab_red_bottom" />
<ImageView
android:id="@+id/tab2_bottom"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@drawable/tab_red_bottom" />
<ImageView
android:id="@+id/tab3_bottom"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@drawable/tab_red_bottom" />
</LinearLayout>
</LinearLayout>
tab1.xml,tab2.xml,tab3.xml布局非常简单,在此就不在展示了。