Android屏幕横屏竖屏切换的方法

packagelxd.copenhagen.clickListern;

importandroid.app.Activity;
importandroid.content.pm.ActivityInfo;
importandroid.os.Bundle;
importandroid.view.View;
importandroid.view.View.OnClickListener;
importandroid.widget.Button;
importandroid.widget.Toast;

publicclassClickEventActivityextendsActivity
{
privateButtonbutton;

/**Calledwhentheactivityisfirstcreated.*/
@Override
publicvoidonCreate(BundlesavedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

button=(Button)super.findViewById(R.id.btnTest);
button.setOnClickListener(newOnClickListener()
{
@Override
publicvoidonClick(Viewv)
{
into=getRequestedOrientation();//获取手机的朝向
switch(o)
{
caseActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
button.setText("当前屏幕朝向为：横屏");
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
break;
caseActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
button.setText("当前屏幕朝向为：竖屏");
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
break;
default:
button.setText("sb");
}
//不能省略，否则会报android.app.SuperNotCalledException:Activity
//OrientationActivitydidnot
//callthroughtosuper.onConfigurationChanged()异常
//super.onConfigurationChanged(newConfig);
}
});

}
} 源代码如上需要配置 ManiFest菜单这样配置的: <?xmlversion= "1.0"encoding= "utf-8"?>
<manifestxmlns:android= "http://schemas.android.com/apk/res/android"
package= "lxd.copenhagen.clickListern"
android:versionCode="1"
android:versionName="1.0">

<uses-sdkandroid:minSdkVersion="8"/>

<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name">
<activity
android:screenOrientation="landscape"
android:name=".ClickEventActivity"
android:label="@string/app_name">
<intent-filter>
<actionandroid:name="android.intent.action.MAIN"/>

<categoryandroid:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>
<uses-permissionandroid:name="android.permission.CHANGE_CONFIGURATION"/>

</manifest>

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