一起学android之底部菜单TabHost的实现（9）

/<span style="font-size:24px;">res/values/styles.xml代码：</span>

<resources><style name="main_tab_bottom">        <item name="android:textSize">12.0dip</item>        <item name="android:textColor">#ffffffff</item>        <item name="android:ellipsize">marquee</item>        <item name="android:gravity">center_horizontal</item>                 <item name="android:paddingTop">5.0dip</item>        <item name="android:layout_width">fill_parent</item>        <item name="android:layout_height">wrap_content</item>        <item name="android:button">@null</item>          <item name="android:singleLine">true</item>        <item name="android:drawablePadding">2.0dip</item>        <item name="android:layout_weight">1.0</item>    </style>    </resources>

layout布局:

<TabHost xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@android:id/tabhost"    android:layout_width="fill_parent"    android:layout_height="fill_parent" >    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:orientation="vertical" >        <FrameLayout            android:id="@+id/msg_title"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:visibility="gone" >           <!--            VISIBLE：设置控件可见INVISIBLE：设置控件不可见GONE：设置控件隐藏            -->            <TextView                android:id="@+id/tv_wb"                android:layout_width="fill_parent"                android:layout_height="wrap_content"                android:background="@drawable/titlebar_lightgray_bg" >            </TextView>        </FrameLayout>        <FrameLayout            android:id="@android:id/tabcontent"            android:layout_width="fill_parent"            android:layout_height="0.0dip"            android:layout_weight="1.0" />        <TabWidget            android:id="@android:id/tabs"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:layout_weight="0.0"            android:visibility="gone" />        <RadioGroup            android:id="@+id/radio"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:layout_gravity="bottom"            android:background="@drawable/maintab_toolbar_bg"            android:gravity="center_vertical"            android:orientation="horizontal" >            <RadioButton                android:id="@+id/radio_button0"                android:layout_marginTop="2.0dip"                android:drawableTop="@drawable/icon_1_n"                android:tag="radio_button0"                android:text="首页"                style="@style/main_tab_bottom" />            <RadioButton                android:id="@+id/radio_button1"                android:layout_marginTop="2.0dip"                android:drawableTop="@drawable/icon_2_n"                android:tag="radio_button1"                android:text="信息"                 style="@style/main_tab_bottom"/>            <RadioButton                android:id="@+id/radio_button2"                android:layout_marginTop="2.0dip"                android:drawableTop="@drawable/icon_3_n"                android:tag="radio_button2"                android:text="名片"                style="@style/main_tab_bottom" />            <RadioButton                android:id="@+id/radio_button3"                android:layout_marginTop="2.0dip"                android:drawableTop="@drawable/icon_4_n"                android:tag="radio_button3"                android:text="查询"                 style="@style/main_tab_bottom"/>            <RadioButton                android:id="@+id/radio_button4"                android:layout_marginTop="2.0dip"                android:drawableTop="@drawable/icon_5_n"                android:tag="radio_button4"                android:text="更多"                style="@style/main_tab_bottom" />        </RadioGroup>    </LinearLayout></TabHost>

java代码:

/* * Android菜单之底部TabHost,布局文件main.xml */public void setTabHost(){tabHost=this.getTabHost();TabSpec tabSpec1=tabHost.newTabSpec("TAB_1").setIndicator("TAB_1");//tabSpec1.setContent(new Intent(MainActivity.this,Activity1.class));//第一个activitytabHost.addTab(tabSpec1);TabSpec tabSpec2=tabHost.newTabSpec("TAB_2").setIndicator("TAB_2");//tabSpec2.setContent(new Intent(MainActivity.this,Activity2.class));//第二个activitytabHost.addTab(tabSpec2);TabSpec tabSpec3=tabHost.newTabSpec("TAB_3").setIndicator("TAB_3");//tabSpec3.setContent(new Intent(MainActivity.this,Activity3.class));//第三个activitytabHost.addTab(tabSpec3);TabSpec tabSpec4=tabHost.newTabSpec("TAB_4").setIndicator("TAB_4");//tabSpec4.setContent(new Intent(MainActivity.this,Activity4.class));//第四个activitytabHost.addTab(tabSpec4);TabSpec tabSpec5=tabHost.newTabSpec("TAB_5").setIndicator("TAB_5");//tabSpec5.setContent(new Intent(MainActivity.this,Activity5.class));//第五个activitytabHost.addTab(tabSpec5);//查找控件radioGroup=(RadioGroup) findViewById(R.id.radio);//为菜单按钮添加事件radioGroup.setOnCheckedChangeListener(new OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(RadioGroup group, int checkedId) {// TODO Auto-generated method stubswitch (checkedId) {case R.id.radio_button0:tabHost.setCurrentTabByTag("TAB_1");Toast.makeText(context, "进入第一个界面", Toast.LENGTH_SHORT).show();break;case R.id.radio_button1:tabHost.setCurrentTabByTag("TAB_2");Toast.makeText(context, "进入第二个界面", Toast.LENGTH_SHORT).show();break;case R.id.radio_button2:tabHost.setCurrentTabByTag("TAB_3");Toast.makeText(context, "进入第三个界面", Toast.LENGTH_SHORT).show();break;case R.id.radio_button3:tabHost.setCurrentTabByTag("TAB_4");Toast.makeText(context, "进入第四个界面", Toast.LENGTH_SHORT).show();break;case R.id.radio_button4:tabHost.setCurrentTabByTag("TAB_5");Toast.makeText(context, "进入第五个界面", Toast.LENGTH_SHORT).show();break;default:break;}}});}

效果图：

一起学android之底部菜单TabHost的实现（9）_第1张图片

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