本文实例讲述了Android编程实现在底端显示选项卡的方法。分享给大家供大家参考，具体如下：
1.layout 文件
<?xml version="1.0" encoding="utf-8" ?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TabHost android:id="@+id/edit_item_tab_host"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<LinearLayout android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="5dp">
<FrameLayout android:id="@android:id/tabcontent"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="5dp" android:layout_weight="1">
<LinearLayout android:id="@+id/widget_layout_Blue"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<RelativeLayout android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingLeft="3px"
android:paddingRight="3px">
<LinearLayout android:id="@+id/titleLayout_person_check_road_add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
</LinearLayout>
<LinearLayout
android:id="@+id/layout_person_check_road_add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/titleLayout_person_check_road_add"
android:layout_alignTop="@id/titleLayout_person_check_road_add"
android:orientation="vertical">
</LinearLayout>
</RelativeLayout>
</LinearLayout>
<LinearLayout android:id="@+id/widget_layout_red"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<RelativeLayout android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingLeft="3px" android:paddingRight="3px">
<LinearLayout android:id="@+id/titleLayout_person_check_road_add1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
</LinearLayout>
<LinearLayout
android:id="@+id/layout_person_check_road_add1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/titleLayout_person_check_road_add1"
android:layout_alignTop="@id/titleLayout_person_check_road_add1"
android:orientation="vertical">
</LinearLayout>
</RelativeLayout>
</LinearLayout>
<LinearLayout android:id="@+id/widget_layout_green"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical">
<RelativeLayout android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingLeft="3px" android:paddingRight="3px">
<LinearLayout android:id="@+id/titleLayout_person_check_road_add2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"> </LinearLayout>
<LinearLayout android:id="@+id/layout_person_check_road_add2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/titleLayout_person_check_road_add2"
android:layout_alignTop="@id/titleLayout_person_check_road_add2"
android:orientation="vertical"> </LinearLayout>
</RelativeLayout>
</LinearLayout>
<LinearLayout android:id="@+id/widget_layout_yellow"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical">
<RelativeLayout android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingLeft="3px" android:paddingRight="3px">
<LinearLayout android:id="@+id/titleLayout_person_check_road_add3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"> </LinearLayout>
<LinearLayout android:id="@+id/layout_person_check_road_add3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/titleLayout_person_check_road_add3"
android:layout_alignTop="@id/titleLayout_person_check_road_add3"
android:orientation="vertical"> </LinearLayout>
</RelativeLayout>
</LinearLayout>
</FrameLayout>
<TabWidget android:id="@android:id/tabs"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:layout_weight="0" /> </LinearLayout>
</TabHost>
</LinearLayout>
2.Java 文件
import android.app.ActivityGroup;
import android.graphics.Color;
import android.os.Bundle;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.TabHost;
import android.widget.TextView;
public class TabBottom extends ActivityGroup {
public static TabHost myTabhost;
private LayoutParams title_params = new LayoutParams(120, 50);
private LayoutParams content_params = new LayoutParams(158, 50);
private LinearLayout titleLayout, showViewLayout, titleLayout1,
showViewLayout1, titleLayout2, showViewLayout2, titleLayout3,
showViewLayout3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.bottomtab);
myTabhost = (TabHost) findViewById(R.id.edit_item_tab_host);
myTabhost.setup(this.getLocalActivityManager());
titleLayout = (LinearLayout) findViewById(R.id.titleLayout_person_check_road_add);
showViewLayout = (LinearLayout) findViewById(R.id.layout_person_check_road_add);
titleLayout1 = (LinearLayout) findViewById(R.id.titleLayout_person_check_road_add1);
showViewLayout1 = (LinearLayout) findViewById(R.id.layout_person_check_road_add1);
titleLayout2 = (LinearLayout) findViewById(R.id.titleLayout_person_check_road_add2);
showViewLayout2 = (LinearLayout) findViewById(R.id.layout_person_check_road_add2);
titleLayout3 = (LinearLayout) findViewById(R.id.titleLayout_person_check_road_add3);
showViewLayout3 = (LinearLayout) findViewById(R.id.layout_person_check_road_add3);
myTabhost.addTab(myTabhost
.newTabSpec("One")
.setIndicator("收件箱",
getResources().getDrawable(R.drawable.icon))
.setContent(R.id.widget_layout_Blue));
myTabhost.addTab(myTabhost
.newTabSpec("Two")
.setIndicator("发件箱",
getResources().getDrawable(R.drawable.icon))
.setContent(R.id.widget_layout_green));
myTabhost.addTab(myTabhost
.newTabSpec("Three")
.setIndicator("垃圾箱",
getResources().getDrawable(R.drawable.icon))
.setContent(R.id.widget_layout_red));
myTabhost.addTab(myTabhost
.newTabSpec("Four")
.setIndicator("发送",
getResources().getDrawable(R.drawable.icon))
.setContent(R.id.widget_layout_yellow));
showInLayout();
showInLayout1();
showInLayout2();
showInLayout3();
}
/*
* 填充第一个选项卡页面
*/
private void showInLayout() {
for (int i = 0; i < 10; i++) {
String condName = "名称显示1";
TextView tv = new TextView(this);
tv.setTextColor(Color.WHITE);
tv.setTextSize(16);
tv.setLayoutParams(title_params);
tv.setText(condName + ":");
titleLayout.addView(tv);
EditText tv1 = new EditText(this);
tv1.setTextSize(16);
tv1.setLayoutParams(content_params);
tv1.setText(condName);
showViewLayout.addView(tv1);
}
}
private void showInLayout1() {
for (int i = 0; i < 10; i++) {
String condName = "名称显示2";
TextView tv = new TextView(this);
tv.setTextColor(Color.WHITE);
tv.setTextSize(16);
tv.setLayoutParams(title_params);
tv.setText(condName + ":");
titleLayout1.addView(tv);
TextView tv1 = new TextView(this);
tv1.setTextColor(Color.WHITE);
tv1.setTextSize(16);
tv1.setLayoutParams(content_params);
tv1.setText(condName + ":");
showViewLayout1.addView(tv1);
}
}
private void showInLayout2() {
for (int i = 0; i < 10; i++) {
String condName = "名称显示3";
TextView tv = new TextView(this);
tv.setTextColor(Color.WHITE);
tv.setTextSize(16);
tv.setLayoutParams(title_params);
tv.setText(condName + ":");
titleLayout2.addView(tv);
TextView tv1 = new TextView(this);
tv1.setTextColor(Color.WHITE);
tv1.setTextSize(16);
tv1.setLayoutParams(content_params);
tv1.setText(condName + ":");
showViewLayout2.addView(tv1);
}
}
private void showInLayout3() {
for (int i = 0; i < 10; i++) {
String condName = "名称显示4";
TextView tv = new TextView(this);
tv.setTextColor(Color.WHITE);
tv.setTextSize(16);
tv.setLayoutParams(title_params);
tv.setText(condName + ":");
titleLayout3.addView(tv);
TextView tv1 = new TextView(this);
tv1.setTextColor(Color.WHITE);
tv1.setTextSize(16);
tv1.setLayoutParams(content_params);
tv1.setText(condName + ":");
showViewLayout3.addView(tv1);
}
}
}
效果如下：
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