如何在 Android 中永久禁用操作栏?
androidapps/applicationsmobile development更新于 2026/2/15 5:22:17
此示例演示了如何在 Android 中永久禁用操作栏。
步骤 1 − 在 Android Studio 中创建一个新项目，前往"文件"->"新建项目"，并填写所有必填信息以创建新项目。
步骤 2 − 将以下代码添加到 res/layout/activity_main.java
<? xml version= "1.0" encoding= "utf-8" ?> <RelativeLayout xmlns: android = "http://schemas.android.com/apk/res/android" xmlns: tools = "http://schemas.android.com/tools" android :layout_width= "match_parent" android :layout_height= "match_parent" android :orientation= "vertical" tools :context= ".MainActivity" > <TextView android :layout_width= "match_parent" android :layout_height= "wrap_content" android :layout_centerInParent= "true" android :gravity= "center" android :text= "No Action Bar" android :textAppearance= "@style/Base.TextAppearance.AppCompat.Large" /> </RelativeLayout>
步骤 3 − 将以下代码添加到 src/MainActivity.java
package app.tutorialspoint.com.sample ;
import android.os.Bundle ;
import android.support.v7.app.AppCompatActivity ;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate (Bundle savedInstanceState) {
super .onCreate(savedInstanceState) ;
setContentView(R.layout. activity_main ) ;
}
}
步骤 4 − 将以下代码添加到 res/values/styles.xml
<resources> <!-- Base application theme. --> <style name= "AppTheme" parent= "Theme.AppCompat.Light.DarkActionBar" > <!-- Customize your theme here. --> <item name= "colorPrimary" > @color/colorPrimary </item> <item name= "colorPrimaryDark" > @color/colorPrimaryDark </item> <item name= "colorAccent" > @color/colorAccent </item> </style> <style name= "AppTheme.NoActionBar" > <item name= "windowActionBar" > false </item> <item name= "windowNoTitle" > true </item> </style> </resources>
步骤 5 − 将以下代码添加到 AndroidManifest.xml
<? xml version= "1.0" encoding= "utf-8" ?> <manifest xmlns: android = "http://schemas.android.com/apk/res/android" package= "app.tutorialspoint.com.sample" > <uses-permission android :name= "android.permission.VIBRATE" /> <application android :allowBackup= "true" android :icon= "@mipmap/ic_launcher" android:label= "@string/app_name" android:roundIcon= "@mipmap/ic_launcher_round" android:supportsRtl= "true" android:theme= "@style/AppTheme" > <activity android:name= ".MainActivity" > <intent-filter> <action android:name= "android.intent.action.MAIN" /> <category android:name= "android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
让我们尝试运行您的应用程序。假设您已将实际的 Android 移动设备连接到电脑。要从 Android Studio 运行该应用程序，请打开项目的某个活动文件，然后点击工具栏上的"运行"图标 
。选择您的移动设备作为选项，然后勾选将显示默认屏幕的移动设备 –
