参考网址:
源码实现:
package com.example.actionbardemo2; import android.app.ActionBar; import android.app.ActionBar.Tab; import android.graphics.Color; import android.graphics.drawable.ColorDrawable; import android.graphics.drawable.Drawable; 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.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.view.Menu; import android.view.MenuItem; public class MainActivity extends FragmentActivity implements ActionBar.TabListener { private dFragment1 fragment1 = new dFragment1(); private dFragment2 fragment2 = new dFragment2(); private dFragment3 fragment3 = new dFragment3(); private static final int TAB_INDEX_COUNT = 2; private static final int TAB_INDEX_ONE = 0; private static final int TAB_INDEX_TWO = 1; private ViewPager viewPager; private myFrgamentPagerAdapter viewPagerAdapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // 1 设置 ViewPager setViewPager(); // 2 获取ActionBar getActionBarMethod(); } // 1 设置 ViewPager private void setViewPager() { viewPagerAdapter = new myFrgamentPagerAdapter(getSupportFragmentManager()); viewPager = (ViewPager)this.findViewById(R.id.viewpager); viewPager.setAdapter(viewPagerAdapter); viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { // TODO Auto-generated method stub super.onPageSelected(position); final ActionBar actionBar = getActionBar(); actionBar.setSelectedNavigationItem(position); } @Override public void onPageScrollStateChanged(int state) { // TODO Auto-generated method stub super.onPageScrollStateChanged(state); } }); } // 2 获取ActionBar private void getActionBarMethod() { //获取ActionBar ActionBar actionBar = getActionBar(); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); // 设置actionBar的颜色 Drawable draw = new ColorDrawable(Color.GREEN); actionBar.setBackgroundDrawable(draw); // 设置ActionBar tab ActionBar.Tab tab = actionBar.newTab(); tab.setText("核心产品"); tab.setIcon(draw); tab.setTabListener(this); actionBar.addTab(tab); tab = actionBar.newTab(); tab.setText("平台产品"); tab.setIcon(draw); tab.setTabListener(this); actionBar.addTab(tab); // 去掉左侧小箭头右边的图标: // 代表 左侧要有一个箭头 actionBar.setDisplayHomeAsUpEnabled(true); // 代表 禁用Logo actionBar.setDisplayUseLogoEnabled(false); // 使用 透明色来代替原有的图标,相当于 不显示 actionBar.setIcon(new ColorDrawable(Color.TRANSPARENT)); } /** * ActionBar action 点击事件的处理: * */ @Override public boolean onOptionsItemSelected(MenuItem item) { // TODO Auto-generated method stub switch (item.getItemId()) { case android.R.id.home: finish(); return true; } return super.onOptionsItemSelected(item); } /** * ActionTab 的 点击事件: * * */ @Override public void onTabReselected(Tab arg0, android.app.FragmentTransaction arg1) { // TODO Auto-generated method stub } @Override public void onTabSelected(Tab tab, android.app.FragmentTransaction arg1) { // TODO Auto-generated method stub // 根据ActionBar Tab 的 位置 index 来设置 ViewPager 的 当前的显示页。 viewPager.setCurrentItem(tab.getPosition()); } @Override public void onTabUnselected(Tab arg0, android.app.FragmentTransaction arg1) { // TODO Auto-generated method stub } /** * ActionBar 的样式,设置。 * * */ @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } //TODO 2 Viewpager 的自定义类: class myFrgamentPagerAdapter extends FragmentPagerAdapter { public myFrgamentPagerAdapter(FragmentManager fm) { super(fm); // TODO Auto-generated constructor stub } @Override public Fragment getItem(int position) { // TODO 设置 返回的数据 switch (position) { case TAB_INDEX_ONE: return fragment1; case TAB_INDEX_TWO: return fragment2; } throw new IllegalStateException("No fragment at position " + position); } @Override public int getCount() { // TODO Auto-generated method stub return TAB_INDEX_COUNT; } } }
时间: 2024-10-12 19:22:21