[英]I can't get files that are outside my app folder Android studio
我正在做一個文件選擇 window 並遇到了我無法獲取應用程序文件夾(com.example.kos)之外的文件的問題,即使我的應用程序可以訪問文件
顯現
<?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>
獲取權限
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:獲取應用程序文件夾的路徑
File currentPath = new File(context.getExternalFilesDir(null).getAbsolutePath() + "/backups");
但是如果指定任何其他與我的應用程序無關的文件夾,例如下載文件夾,它立即變為空,盡管文件在那里
currentPath = Environment.getExternalStoragePublicDirectory(DIRECTORY_DOWNLOADS);
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