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NFC is a set of short-range wireless technologies that enable your phone to communicate with objects in close proximity. This technology is great for sharing small data payloads between your phone and a compatible device. It’s also used to make payments and send files between devices. It’s important to note that NFC doesn’t work with …

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What is AAR? In short, it is the structure of an Android application. It has the same source code and resource files as the app, and compiles into an Android Archive (AAR) file. Depending on the build type, AARs can be published or debugged. You should have used at least one library in your Android …

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