ActionBar结合Fragment实现Tab导航、下拉式导航

package com.example.actionbar;

import android.os.Build;
import android.os.Bundle;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.Activity;
import android.app.Fragment;

import android.app.FragmentTransaction;

import android.view.Menu;

@SuppressLint("NewApi")
public class ActionBar_TabNav extends Activity implements ActionBar.TabListener{

//	ActionBar actionBar;
	private static final String SELECTED_ITEM = "selected_item";
	@TargetApi(Build.VERSION_CODES.HONEYCOMB)
	@SuppressLint("NewApi")
	@Override
	protected void onCreate(Bundle savedInstanceState) {
//		actionBar = getActionBar();
//		actionBar.hide();
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_action_bar__tab_nav);
		final ActionBar actionBar = getActionBar();
		//设置ActionBar的导航方式：Tab导航
		actionBar.setNavigationMode(ActionBar.N***IGATION_MODE_TABS);
		//依次添加三个Tab页，并唯一三个Tab表现添加事件监听器
		actionBar.addTab(actionBar.newTab().setText("第一页")
				.setTabListener(this));
		actionBar.addTab(actionBar.newTab().setText("第二页")
				.setTabListener(this));
		actionBar.addTab(actionBar.newTab().setText("第三页")
				.setTabListener(this));
	}
	@Override
	public void onRestoreInstanceState(Bundle savedInstanceState)
	{
		if(savedInstanceState.containsKey(SELECTED_ITEM))
		{
			//选中前面保存的索引对应的Fragment页
			getActionBar().setSelectedNavigationItem(
					savedInstanceState.getInt(SELECTED_ITEM));
		}
	}
	public void onSaveInstantceState(Bundle outState)
	{
		//将当前选中的Fragment页的索引保存到Bundle中
		outState.putInt(SELECTED_ITEM, getActionBar().getSelectedNavigationIndex());
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.action_bar__tab_nav, menu);
		return true;
	}

	@Override
	public void onTabReselected(Tab arg0, FragmentTransaction arg1) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void onTabSelected(Tab tab, FragmentTransaction fragmentTransaction) {
		// TODO Auto-generated method stub
		//创建一个新的Fragment对象
		Fragment fragment = new DummyFragment();
		//创建一个Bundle对象，用于向Fragment传入参数
		Bundle args = new Bundle();
		args.putInt(DummyFragment.ARG_SECTION_NUMBER, tab.getPosition()+1);
		//想fragment传入参数
		fragment.setArguments(args);
		//获取FragmentTransaction对象
		FragmentTransaction ft = getFragmentManager()
				.beginTransaction();
		//使用fragment代替该Activity中的container组件
		ft.replace(R.id.container, fragment);
		//提交事务
		ft.commit();
	}

	@Override
	public void onTabUnselected(Tab tabarg0, FragmentTransaction fragmentTransaction) {
		// TODO Auto-generated method stub
		
	}

}

package com.example.actionbar;

import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Fragment;

import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

@SuppressLint("NewApi")
public class DummyFragment extends Fragment{

	public static final String ARG_SECTION_NUMBER = "section_number";
	//该方法的返回值就是该Fragment显示的View组件
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle saveInstantceState)
	{
		TextView textView = new TextView(getActivity());
		textView.setGravity(Gravity.START);
		//获取创建该Fragment时传入的参数Bundle
		Bundle args = getArguments();
		//设置TextView显示的文本
		textView.setText(args.getInt(ARG_SECTION_NUMBER) + "");
		textView.setTextSize(30);
		//返回该TextView
		return textView;

	}

}

代码运行图片

用如下DummyFragment可以自定义每页显示的内容，如果要想显示不同的图片道理都是一样的

DummyFragment.java

package com.example.actionbar;

import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Fragment;

import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

@SuppressLint("NewApi")
public class DummyFragment extends Fragment{

	public static final String ARG_SECTION_NUMBER = "section_number";
	//该方法的返回值就是该Fragment显示的View组件
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle saveInstantceState)
	{
		TextView textView = new TextView(getActivity());
		textView.setGravity(Gravity.START);
		//获取创建该Fragment时传入的参数Bundle
		Bundle args = getArguments();
		//设置TextView显示的文本
		switch(args.getInt(ARG_SECTION_NUMBER))
		{
			case 1:
				textView.setText("a");
				break;
			case 2:
				textView.setText("b");
				break;
			case 3:
				textView.setText("c");
				break;
		}
		//textView.setText(args.getInt(ARG_SECTION_NUMBER) + "");
		textView.setTextSize(30);
		//返回该TextView
		return textView;

	}

}

package com.example.actionbardropdownnac;

import com.example.actionbardropdownnac.R;

import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.view.Menu;
import android.widget.ArrayAdapter;

@SuppressLint("NewApi")
public class ActionBar_DropDownNav extends Activity implements
ActionBar.OnNavigationListener{

	private static final String SELECTED_ITEM = "selected_item";
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		final ActionBar actionBar = getActionBar();
		//
		actionBar.setDisplayShowHomeEnabled(true);
		//
		actionBar.setNavigationMode(ActionBar.N***IGATION_MODE_LIST);
		//
		actionBar.setListNavigationCallbacks(
				new ArrayAdapter<String>(ActionBar_DropDownNav.this,
						android.R.layout.simple_list_item_1,android.R.id.text1,
						new String[]{"第一页","第二页","第三页"}), this);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.action_bar__drop_down_nav, menu);
		return true;
	}

	@Override
	public boolean onNavigationItemSelected(int position, long id) {
		// TODO Auto-generated method stub
		//
		//创建一个新的Fragment对象
				Fragment fragment = new DummyFragment();
				//创建一个Bundle对象，用于向Fragment传入参数
				Bundle args = new Bundle();
				args.putInt(DummyFragment.ARG_SECTION_NUMBER, position+1);
				//向fragment传入参数
				fragment.setArguments(args);
				//获取FragmentTransaction对象
				FragmentTransaction ft = getFragmentManager()
						.beginTransaction();
				//使用fragment代替该Activity中的container组件
				ft.replace(R.id.container, fragment);
				//提交事务
				ft.commit();
		return true;
	}
	
	public void onRestoreInstanceState(Bundle savedInstanceState)
	{
		if(savedInstanceState.containsKey(SELECTED_ITEM))
		{
			//
			getActionBar().setSelectedNavigationItem(savedInstanceState.getInt(SELECTED_ITEM));
		}
	}
	
	public void onSaveInstanceState(Bundle outState)
	{
		//
		outState.putInt(SELECTED_ITEM, getActionBar().getSelectedNavigationIndex());
	}

}