[英]I can't get files that are outside my app folder Android studio
我正在做一个文件选择 window 并遇到了我无法获取应用程序文件夹(com.example.kos)之外的文件的问题,即使我的应用程序可以访问文件
显现
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.kos">
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:largeHeap="true"
android:fullBackupContent="@xml/backup_descriptor"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<service
android:name=".Times"
android:enabled="true"
android:exported="false"/>
<activity
android:name=".MainActivity"
android:configChanges="uiMode"
android:screenOrientation="fullSensor"
android:theme="@style/AppTheme.Launcher">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
获取权限
if(ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(context, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(context, Manifest.permission.FOREGROUND_SERVICE) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions((Activity) context,new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.FOREGROUND_SERVICE},REQUEST_CODE_FOLDER_CONF);
}
Android - 10(API 29)
UPD:获取应用程序文件夹的路径
File currentPath = new File(context.getExternalFilesDir(null).getAbsolutePath() + "/backups");
但是如果指定任何其他与我的应用程序无关的文件夹,例如下载文件夹,它立即变为空,尽管文件在那里
currentPath = Environment.getExternalStoragePublicDirectory(DIRECTORY_DOWNLOADS);
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.