微博的android框架

package com.flysnow.sina.weibo; import android.app.TabActivity; import android.content.Intent; import android.os.Bundle; import android.view.Window; import android.widget.RadioGroup; import android.widget.TabHost; import android.widget.RadioGroup.OnCheckedChangeListener; /** * 防新浪微博底部工具栏的TabActivity。Android开发技术交流群86686524欢迎大家交流学习 * @author 飞雪无情 * @since 2011-3-8 */ public class MainTabActivity extends TabActivity implements OnCheckedChangeListener{ private RadioGroup mainTab; private TabHost mTabHost; //内容Intent private Intent mHomeIntent; private Intent mNewsIntent; private Intent mInfoIntent; private Intent mSearchIntent; private Intent mMoreIntent; private final static String TAB_TAG_HOME="tab_tag_home"; private final static String TAB_TAG_NEWS="tab_tag_news"; private final static String TAB_TAG_INFO="tab_tag_info"; private final static String TAB_TAG_SEARCH="tab_tag_search"; private final static String TAB_TAG_MORE="tab_tag_more"; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main); mainTab=(RadioGroup)findViewById(R.id.main_tab); mainTab.setOnCheckedChangeListener(this); prepareIntent(); setupIntent(); } /** * 准备tab的内容Intent */ private void prepareIntent() { mHomeIntent=new Intent(this, HomeActivity.class); mNewsIntent=new Intent(this, NewsActivity.class); mInfoIntent=new Intent(this, MyInfoActivity.class); mSearchIntent=new Intent(this,SearchActivity.class); mMoreIntent=new Intent(this, MoreActivity.class); } /** * */ private void setupIntent() { this.mTabHost=getTabHost(); TabHost localTabHost=this.mTabHost; localTabHost.addTab(buildTabSpec(TAB_TAG_HOME, R.string.main_home, R.drawable.icon_1_n, mHomeIntent)); localTabHost.addTab(buildTabSpec(TAB_TAG_NEWS, R.string.main_news, R.drawable.icon_2_n, mNewsIntent)); localTabHost.addTab(buildTabSpec(TAB_TAG_INFO, R.string.main_my_info, R.drawable.icon_3_n, mInfoIntent)); localTabHost.addTab(buildTabSpec(TAB_TAG_SEARCH, R.string.menu_search, R.drawable.icon_4_n, mSearchIntent)); localTabHost.addTab(buildTabSpec(TAB_TAG_MORE, R.string.more, R.drawable.icon_5_n, mMoreIntent)); } /** * 构建TabHost的Tab页 * @param tag 标记 * @param resLabel 标签 * @param resIcon 图标 * @param content 该tab展示的内容 * @return 一个tab */ private TabHost.TabSpec buildTabSpec(String tag, int resLabel, int resIcon,final Intent content) { return this.mTabHost.newTabSpec(tag).setIndicator(getString(resLabel), getResources().getDrawable(resIcon)).setContent(content); } @Override public void onCheckedChanged(RadioGroup group, int checkedId) { switch(checkedId){ case R.id.radio_button0: this.mTabHost.setCurrentTabByTag(TAB_TAG_HOME); break; case R.id.radio_button1: this.mTabHost.setCurrentTabByTag(TAB_TAG_NEWS); break; case R.id.radio_button2: this.mTabHost.setCurrentTabByTag(TAB_TAG_INFO); break; case R.id.radio_button3: this.mTabHost.setCurrentTabByTag(TAB_TAG_SEARCH); break; case R.id.radio_button4: this.mTabHost.setCurrentTabByTag(TAB_TAG_MORE); break; } } }