MainActivity.java:
package com.main;
import com.example.tabfragment.R;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.app.ActionBar.Tab;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.util.Log;
public class MainActivity extends FragmentActivity {
private MyPagerAdapter mMyPagerAdapter;
private ViewPager mViewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mMyPagerAdapter = new MyPagerAdapter(this.getSupportFragmentManager());
final ActionBar actionBar = this.getActionBar();
actionBar.setHomeButtonEnabled(false);
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
mViewPager = (ViewPager) this.findViewById(R.id.pager);
mViewPager.setAdapter(mMyPagerAdapter);
mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
@Override
public void onPageSelected(int position) {
super.onPageSelected(position);
actionBar.setSelectedNavigationItem(position);
}
}); // mViewPager.setOnPageChangeListener
// generate tab items
actionBar.addTab(
actionBar
.newTab()
.setText("Frag1")
.setTabListener(OnTabListener));
actionBar.addTab(
actionBar
.newTab()
.setText("Frag2")
.setTabListener(OnTabListener));
actionBar.addTab(
actionBar
.newTab()
.setText("Frag3")
.setTabListener(OnTabListener));
}
private class MyPagerAdapter extends FragmentPagerAdapter {
public MyPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
Log.d("Yeh", "FragmentPagerAdapter >> getItem item position="+position);
Fragment fragment = new TabFragment();
Bundle args = new Bundle();
fragment.setArguments(args);
args.putInt("position", position);
return fragment;
}
@Override
public int getCount() {
// Number of items in the tab.
return 3;
}
}
private ActionBar.TabListener OnTabListener = new ActionBar.TabListener() {
@Override
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
// TODO Auto-generated method stub
}
@Override
public void onTabSelected(Tab tab, FragmentTransaction ft) {
mViewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabReselected(Tab tab, FragmentTransaction ft) {
// TODO Auto-generated method stub
}
};
}
TabFragment.java
package com.main;
import com.example.tabfragment.R;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
public class TabFragment extends Fragment {
int mPosition;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.frag_view, container, false);
TextView tv = (TextView) rootView.findViewById(R.id.textView);
mPosition = this.getArguments().getInt("position", -1);
Log.d("Yeh","Frag"+mPosition+" >> onCreateView");
tv.setText("This is Fragment "+mPosition);
return rootView;
}
@Override
public void onDestroyView() {
super.onDestroyView();
Log.d("Yeh","Frag"+mPosition+" >> onDestroyView");
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d("Yeh","Frag"+mPosition+" >> onCreate");
}
@Override
public void onDestroy() {
super.onDestroy();
Log.d("Yeh","Frag"+mPosition+" >> onDestroy");
}
}
activity_main.xml
<android.support.v4.view.ViewPager
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent" />
frag_view.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".DeviceFragment" >
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Tab1" />
</LinearLayout>
AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.tabfragment"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="15"
android:targetSdkVersion="19" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity android:name="com.main.MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>
</manifest>
