Android 出现open failed: EACCES (Permission denied)错误**

最新推荐文章于 2024-01-08 15:47:19 发布

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最新推荐文章于 2024-01-08 15:47:19 发布 · 2.4k 阅读

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#android #安卓 #android studio

首先考虑获得权限

 <uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"
    tools:ignore="ProtectedPermissions" />

然后在mainacitvity中获得动态权限

public static final int EXTERNAL_STORAGE_REQ_CODE = 10 ;
private static final int REQUEST_EXTERNAL_STORAGE = 1;
private static String[] PERMISSIONS_STORAGE = {
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE };

/**
 * Checks if the app has permission to write to device storage
 *
 * If the app does not has permission then the user will be prompted to
 * grant permissions
 *
 * @param activity
 */
public static void verifyStoragePermi