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How can I distinguish between not-updated MediaStore metadata and newer metadata actually contained into the file?Īs said above, most music player apps ask for music metadata to the MediaStore to keep good performance while displaying songs, so they may show old information. So the music player app ─ that ask metadata information to the MediaStore ─ displays to your the older artist name, even though the audio file contains the newer artist name. Sometimes MediaStore stops working so you change the artist name inside the physical audio file, but the MediaStore does not update its records. We can say that MediaStore works just like a caching systemt to speed up metadata display in our everyday application we have on our devices So, when playing a song, you see the title and artist metadata that MediaStore had previously extracted from the audio file and it stored them in a database for a faster retrieval. MediaStore works like a caching system and it allows your music player app to fetch very quickly audio metadata so they can be displayed to you when you scroll song list while listening to the music. In the case of our interest, the MediaStore saves information about things like title, artist, artwork image and so on. It keeps track of any media file and it also remembers of metadata information found inside files. This piece of software is in charge of scanning continuosly the device memory to find and record any media file it can find, may the be audios, videos or images. Since Android was early released, we know that there is a component inside it called MediaStore. Inside this section I will got a little bit technical but it may help understand what's going on in case you face some problems using AutomaTag.
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