声明:本人博客纯属个人学习过程中的一些仿写的简单练习记录,其他论坛也有类似内容!(可能不免有错误之处,还望见谅,指出)
这里是Android基本组件Button和Tab_Widget的简单应用,通过点击Tab1、Tab2、Tab3、来切换查看内容
图为加入TabView按钮的Activity和点击Tab切换效果演示
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiInBnauYzMyIjNwEjMzIjNwETMwIzLcdTO1MTOy8CXxEDMy8CXzV2Zh1WavwVbvNmLzd2bsJmbj5iMwAzYpB3Lc9CX6MHc0RHaiojIsJye.jpg)
项目名为:Tab 代码如下: package com.tab.demo; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; public class MainActivity extends Activity { private Button button; //构建按钮对象 public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); button=(Button)findViewById(R.id.tab_demo_button); //实例化对象,联系到布局文件 button.setOnClickListener(new Button.OnClickListener() { //设置监听器,监听点击事件 @Override public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(); intent.setClass(MainActivity.this, TabDemoActivity.class); startActivity(intent); //实现点击跳转 } }); } } //跳转到TabDemoActivity的代码
package com.tab.demo; import android.app.TabActivity; import android.os.Bundle; import android.view.LayoutInflater; import android.widget.TabHost; public class TabDemoActivity extends TabActivity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); TabHost tabHost = getTabHost(); //构造一个Tab标签容器TabHost LayoutInflater.from(this).inflate(R.layout.tab_demo, tabHost.getTabContentView(), true); tabHost.addTab(tabHost.newTabSpec("tab1").setIndicator("Tab1") .setContent(R.id.view1)); //分别把构造好的标签放入TabHost里面 tabHost.addTab(tabHost.newTabSpec("tab2").setIndicator("Tab2") .setContent(R.id.view2)); tabHost.addTab(tabHost.newTabSpec("tab3").setIndicator("Tab3") .setContent(R.id.view3)); } } MainActivity的视图布局文件 main xml: <?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"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TabView" android:id="@+id/tab_demo_button" /> </LinearLayout> TabDemoActivity 的视图布局文件 tab_demo xml: <?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:id="@+id/view1" android:background="@drawable/one" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/tab1"/> <TextView android:id="@+id/view2" android:background="@drawable/three" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/tab2"/> <TextView android:id="@+id/view3" android:background="@drawable/two" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/tab3"/> </FrameLayout> 相关信息文件string xml : <?xml version="1.0" encoding="utf-8"?> <resources> <string name="hello">Hello World, Tab!</string> <string name="app_name">Tab</string> <string name= "tab1">Here is tab1.</string> <string name= "tab2">Jump to Tab2.</string> <string name= "tab3">The end is Tab3.</string> </resources> 应用配置文件 AndroidMainfest xml : <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.tab.demo" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/me" android:label="@string/app_name"> <activity android:name=".MainActivity" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".TabDemoActivity"></activity> </application> </manifest>