安卓10.0以上不能写入sdcard

最新推荐文章于 2023-09-22 20:03:32 发布

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最新推荐文章于 2023-09-22 20:03:32 发布 · 2.2k 阅读

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#android

针对Android 10.0及更高版本，当targetSdkVersion设置为29时，应用程序遇到无法写入SD卡的权限问题。尽管已请求相关权限，但在新版本中权限管理有所变化，导致写入操作受阻。

targetSdkVersion = 29
在10的手机上测试，明明申请了sdcard的权限，
//权限管理

public static void permission(Activity activity) {
    List<String> permissionLists = new ArrayList<>();
    if (ContextCompat.checkSelfPermission(activity, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
        permissionLists.add(Manifest.permission.READ_PHONE_STATE);
    }
    if (ContextCompat.checkSelfPermission(activity, Manifest.permission.REQUEST_INSTALL_PACKAGES) != PackageManager.PERMISSION_GRANTED) {
        permissionLists.add(Manifest.permission.REQUEST_INSTALL_PACKAGES);
    }
    if (ContextCompat.checkSelfPermission(activity, Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS) != PackageManager.PERMISSION_GRANTED) {
        permissionLists.add(Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS);
    }
    if (ContextCompat.checkSelfPermission(activity, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
        permissionList