Android 安卓:清单:$符号代表什么?
以下代码示例用于android设备管理员应用程序开发Android 安卓:清单:$符号代表什么?,android,android-manifest,Android,Android Manifest,以下代码示例用于android设备管理员应用程序开发receiver android:name=“.app.DeviceAdminSample$DeviceAdminSampleReceiver 这里“DeviceAdminSampleReceiver”和“DeviceAdminSampleReceiver”之间的$符号是什么意思?完整的xml如下所示 <activity android:name=".app.DeviceAdminSample" andro
receiver android:name=“.app.DeviceAdminSample$DeviceAdminSampleReceiver
这里“DeviceAdminSampleReceiver”和“DeviceAdminSampleReceiver”之间的$符号是什么意思?完整的xml如下所示
<activity android:name=".app.DeviceAdminSample"
android:label="@string/activity_sample_device_admin">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.SAMPLE_CODE" />
</intent-filter>
</activity>
<receiver android:name=".app.DeviceAdminSample$DeviceAdminSampleReceiver"
android:label="@string/sample_device_admin"
android:description="@string/sample_device_admin_description"
android:permission="android.permission.BIND_DEVICE_ADMIN">
<meta-data android:name="android.app.device_admin"
android:resource="@xml/device_admin_sample" />
<intent-filter>
<action android:name="android.app.action.DEVICE_ADMIN_ENABLED" />
</intent-filter>
</receiver>
DeviceAdminSampleReceiver类是DeviceAdminSampleReceiver中的一个内部类
Java将编译带有$符号的内部类。DeviceAdminSampleReceiver类是DeviceAdminSample中的一个内部类 Java将用$symbol编译内部类。这是一个示例
public class DeviceAdminSample{
private String someInstanceVariable = "";
public class DeviceAdminSampleReceiveranonymous {
//Inner Class
}
}
$表示内部类
您可以参考中的$class示例。这是一个示例
public class DeviceAdminSample{
private String someInstanceVariable = "";
public class DeviceAdminSampleReceiveranonymous {
//Inner Class
}
}
$表示内部类
您可以参考中的$class示例