拒绝权限:要求android.permission.READ_EXTERNAL_STORAGE或grantUriPermission()(API 23) [英] Permission Denial: requires android.permission.READ_EXTERNAL_STORAGE, or grantUriPermission() (API 23)

问题描述

我正在尝试在运行时请求用户权限.该API是23，我想从手机图库中获取图片.在一些代码片段之后，这是我到目前为止的代码:

I am trying to request user permissions at runtime. The API is 23 and I want to pick up an image from the phone's gallery. Following some snippets, this is the code I have so far:

在活动的onCreate()中，我检查:

if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) !=
            PackageManager.PERMISSION_GRANTED) {
        imageUploader5.setEnabled(true);
        ActivityCompat.requestPermissions(this, new String[]
                { Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE }, 0);
    }

然后我覆盖:

@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
    if (requestCode == 0) {
        if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED
                && grantResults[1] == PackageManager.PERMISSION_GRANTED) {
            imageUploader5.setEnabled(true);
        }
    }
}

但是我仍然无法使该应用程序在AVD上运行.

But I still cannot make the app to run on the AVD.

清单中的权限:

<uses-permission-sdk-23 android:name="android.permission.CAMERA" />
<uses-permission-sdk-23 android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission-sdk-23 android:name="android.permission.READ_EXTERNAL_STORAGE" />

推荐答案

通过如何构造if状态，您将仅在已经授予用户权限的情况下询问用户权限.添加else如下:

By how you structured your if state you will ask for user permissions only if they are already granted. Add an else as follow:

// Enable if permission granted
if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) ==
        PackageManager.PERMISSION_GRANTED) {
    imageUploader5.setEnabled(true);
} 
// Else ask for permission
else {
    ActivityCompat.requestPermissions(this, new String[]
            { Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE }, 0);
}

编辑

在清单中概括您的user-permission，以便它可以用于将来的不同API级别:

Edit

Generalize your user-permission in the manifest so it can be used by different and future API levels:

<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

这篇关于拒绝权限:要求android.permission.READ_EXTERNAL_STORAGE或grantUriPermission()(API 23)的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！