This tutorial came to be due to a question I found on Stackoverflow titled Mechanism behind QR code scanning of whatsapp webapp and the investigation and answer that I gave . Because the answer was given in real broad strokes, I decided to create a tutorial on how to implement something...
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To access the list of media files (such as Audio, Images and Video) from an External Storage device in android, the Media provider can be used. An example of using the Media provider to access all Image type files on the External Storage: Cursor mCursor = getContentResolver() .query( MediaStore.Images.Media....
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From an Activity To start a new Activity from another Activity: Intent intent = new Intent(this, OtherActivity.class); startActivity(intent); From a Service Intent intent = new Intent(this, OtherActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); (adsbygoogle = window.adsbygoogle || []).push({}); From somewhere else To start an Activity...
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