How can I allow users to easily share a download link for my app? [closed]

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How can I communicate the download link from one user who has it to one who does not? If all they have are their android phones. Bluetooth?开发者_如何学JAVA Would I send a contact card.

Are there less cumbersome ways that pairing?

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Look for the share intent. Here's an example:

Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
shareIntent.setType("text/plain");
shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "Some text");
shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, "Some other text");

startActivity(Intent.createChooser(shareIntent, "Title for chooser"));