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android - java.lang.SecurityException : Permission Denial: opening provider com. google.android.apps.photos.content.GooglePhotosImageProvider

In lại Tác giả: IT Lão Cao 更新时间：2023-10-28 23:17:48 28 4
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突然之间，我开始从运行 android 4.3 及更高版本的设备中收到以下异常

java.lang.SecurityException: Permission Denial: opening provider com.google.android.apps.photos.content.GooglePhotosImageProvider from ProcessRecord{454ca9d0 5914:com.propertymanager/u0a10231} (pid=5914, uid=10231) requires com.google.android.apps.photos.permission.GOOGLE_PHOTOS or com.google.android.apps.photos.permission.GOOGLE_PHOTOS
        at android.os.Parcel.readException(Parcel.java:1431)
        at android.os.Parcel.readException(Parcel.java:1385)
        at android.app.ActivityManagerProxy.getContentProvider(ActivityManagerNative.java:2896)
        at android.app.ActivityThread.acquireProvider(ActivityThread.java:4755)
        at android.app.ContextImpl$ApplicationContentResolver.acquireUnstableProvider(ContextImpl.java:2480)
        at android.content.ContentResolver.acquireUnstableProvider(ContentResolver.java:1152)
        at android.content.ContentResolver.openTypedAssetFileDescriptor(ContentResolver.java:759)
        at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:665)
        at android.content.ContentResolver.openInputStream(ContentResolver.java:500)
        at com.myapp.xxxx.determineCorrectScale(SourceFile:148)

我的导致它的代码是

    public static int determineCorrectScale(Context con, Uri imagUri) {
        int scale = 1;
        InputStream imageStream = null;

                imageStream = con.getContentResolver().openInputStream(imagUri);
.
.
.
    }

有什么帮助吗？？

编辑:这就是我在调用上述方法之前让用户选择图片的方式

Intent choosePictureIntent = new Intent(Intent.ACTION_PICK, Images.Media.INTERNAL_CONTENT_URI);
tartActivityForResult(choosePictureIntent, REQUEST_CHOOSE_IMAGE);

这是 OnActivityResult:

protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
    super.onActivityResult(requestCode, resultCode, intent);
    if (resultCode == RESULT_OK) {
        switch (requestCode) {
        case REQUEST_CHOOSE_IMAGE:

            Uri selectedImage = intent.getData();

            thử {

                int scale = CommonFunc.determineCorrectScale(this, selectedImage);

câu trả lời hay nhất

虽然添加权限适用于该特定内容提供者，但如果您的数据由其他内容提供者提供，则该权限将不起作用(在 Android 上，除非您明确访问该内容，否则无法保证您会通过特定内容提供者获取数据提供者)。

这个问题的“最终”解决方案可以在这里找到:

Getting access with temporary permissions

You can access data in a content provider, even if you don't have the proper access permissions, by sending an intent to an application that does have the permissions and receiving back a result intent containing "URI" permissions. These are permissions for a specific content URI that last until the activity that receives them is finished.

http://developer.android.com/guide/topics/providers/content-provider-basics.html

从 4.3 版开始，Android 会检查接收的 Activity 是否仍在运行，如果没有则抛出 SecurityException。 determineCorrectScale 是一个静态方法，所以我认为它至少有时会在 Activity 生命周期之外调用。要一劳永逸地解决这个问题，您需要在 Activity 运行时从内容提供者检索数据。我不知道您的应用程序的要求，但如果不涉及繁重的工作(例如从内容提供商复制图像)，那么只需在 ui 线程上执行。如果需要繁重的工作，则使用由 Activity 启动的 AsyncTask，但您必须确保 Activity 在检索数据之前没有完成(这可能很棘手)。

我不只是添加那个答案，因为我认为它是正确的，而是因为其他开发人员可能不知道 4.3/4.4 中引入的这一更改，并且可能会遇到与其他内容提供商相同的问题。

关于android - java.lang.SecurityException : Permission Denial: opening provider com. google.android.apps.photos.content.GooglePhotosImageProvider，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/21082708/

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