QMediaStoreUriLoader

class QMediaStoreUriLoader<DataT> : ModelLoader<Model, Data>

Best effort attempt to work around various Q storage states and bugs.

In particular, HEIC images on Q cannot be decoded if they've gone through Android's exif redaction, due to a bug in the implementation that corrupts the file. To avoid the issue, we need to get at the un-redacted File. There are two ways we can do so:

  • MediaStore.setRequireOriginal
  • Querying for and opening the file via the underlying file path, rather than via ContentResolver

MediaStore.setRequireOriginal will only work for applications that target Q and request and currently have ACCESS_MEDIA_LOCATION. It's the simplest change to make, but it covers the fewest applications.

Querying for the file path and opening the file directly works for applications that do not target Q and for applications that do target Q but that opt in to legacy storage mode. Other options are theoretically available for applications that do not target Q, but due to other bugs, the only consistent way to get unredacted files is via the file system.

This class does not fix applications that target Q, do not opt in to legacy storage and that don't have ACCESS_MEDIA_LOCATION.

Avoid using this class directly, it may be removed in any future version of Glide.

Parameters

<DataT>

The type of data this loader will load (InputStream, ).

Types

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class FileDescriptorFactory : QMediaStoreUriLoader.Factory<DataT>
Factory for ParcelFileDescriptor.
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class InputStreamFactory : QMediaStoreUriLoader.Factory<DataT>
Factory for InputStream.

Functions

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open fun buildLoadData(    uri: Uri,     width: Int,     height: Int,     options: Options): ModelLoader.LoadData<DataT>
Returns a com.bumptech.glide.load.model.ModelLoader.LoadData containing a required to decode the resource represented by this model, as well as a set of Keys that identify the data loaded by the com.bumptech.glide.load.data.DataFetcher as well as an optional list of alternate keys from which equivalent data can be loaded.
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open fun handles(uri: Uri): Boolean
Returns true if the given model is a of a recognized type that this loader can probably load.