当在AndroidManifest.xml文件中定义了android:screenOrientation="portrait",就表示当我们切换横竖屏的时候,屏幕的内容始终以竖屏显示,而不会根据屏幕的方向来显示内容
AndroidManifest.xml文件
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.test" android:versionCode="1" android:versionName="1.0"> <uses-sdk android:minSdkVersion="8" /> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".TestActivity" android:label="@string/app_name" android:screenOrientation="portrait"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
main.xml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" > <TextView android:id="@+id/tv" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="横竖屏切换测试" /> <EditText android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@+id/et" /> </LinearLayout>
TestActivity.java文件
package com.test; import android.app.Activity; import android.content.res.Configuration; import android.os.Bundle; import android.widget.EditText; import android.widget.TextView; public class TestActivity extends Activity { EditText et; TextView tv; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); et = (EditText) findViewById(R.id.et); tv = (TextView) findViewById(R.id.tv); System.out.println("我是onCreate方法"); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); if(newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE){ tv.setText("横屏"); }else{ tv.setText("竖屏"); } } }
摘自:http://www.cnblogs.com/and_he/archive/2011/05/24/2055103.html