我一直在这个网站上寻找答案，但我找不到。我的 android 应用程序没有在我的模拟器中从纵向切换到横向，它只是显示一个横向的纵向屏幕。我制作了一个带有匹配 xml 名称等的 layout 和 layout-land 文件夹。但它似乎并没有在布局土地版本上得到体现。我没有 onConfig() 函数或任何东西，所以我想知道是否有人可以提供帮助？？？
mainpage.xml 布局域
<?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"
android:background="@color/main_background"
android:gravity="center"
android:padding="30dip">
<TextView
android:id="@+id/main_title_text"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/main_title"
android:textColor="@color/text"
android:textSize="25sp" />
<TableLayout
android:id="@+id/tablelayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:stretchColumns="*">
<TableRow
android:layout_height="wrap_content"
android:layout_width="fill_parent">
<Button
android:id="@+id/start_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/start_button"
android:textColor="@color/text" />
<Button
android:id="@+id/help_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/help_button"
android:textColor="@color/text" />
</TableRow>
<TableRow
android:layout_height="wrap_content"
android:layout_width="match_parent">
<Button
android:id="@+id/extra_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/extra_button"
android:textColor="@color/text" />
<Button
android:id="@+id/stop_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/stop_button"
android:textColor="@color/text" />
</TableRow>
</TableLayout>
</LinearLayout>
布局
<?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"
android:background="@color/main_background"
android:gravity="center"
android:padding="30dip">
<TextView
android:id="@+id/main_title_text"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/main_title"
android:textColor="@color/text"
android:textSize="25sp" />
<Button
android:id="@+id/start_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/start_button"
android:textColor="@color/text" />
<Button
android:id="@+id/help_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/help_button"
android:textColor="@color/text" />
<Button
android:id="@+id/extra_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/extra_button"
android:textColor="@color/text" />
<Button
android:id="@+id/stop_button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/stop_button"
android:textColor="@color/text" />
</LinearLayout>
显现
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.MC.ChemPal"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="10" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".main"
android:label="@string/app_name">
<intent-filter>
<action android:name="com.MC.ChemPal.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".mainpage" android:label="@string/app_name">
<intent-filter>
<action android:name="com.MC.ChemPal.MAINPAGE" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity android:name=".Extra"
android:label="@string/app_name">
<intent-filter>
<action android:name="com.MC.ChemPal.EXTRA" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity android:name=".help"
android:label="@string/app_name">
<intent-filter>
<action android:name="com.MC.ChemPal.HELP" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity android:name=".search_page"
android:label="@string/app_name">
<intent-filter>
<action android:name="com.MC.ChemPal.SEARCH_PAGE" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
</application>
</manifest>
爪哇
package com.MC.ChemPal;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class mainpage extends Activity {
/** Called when the activity is first created. */
Button start_button, help_button, extra_button, stop_button;
TextView display;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.mainpage);
start_button = (Button) findViewById(R.id.start_button);
help_button = (Button) findViewById(R.id.help_button);
extra_button = (Button) findViewById(R.id.extra_button);
stop_button= (Button) findViewById(R.id.stop_button);
display = (TextView) findViewById(R.id.main_title_text);
start_button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent openSearchPage = new Intent("com.MC.ChemPal.SEARCH_PAGE");
startActivity(openSearchPage);
}
});
help_button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent openHelp = new Intent("com.MC.ChemPal.HELP");
startActivity(openHelp);
}
});
extra_button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent openExtra = new Intent("com.MC.ChemPal.EXTRA");
startActivity(openExtra);
}
});
stop_button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
onStop();
}
});
}
}