You've successfully compiled your first Android app - congratulations! Now, how do you get it onto your phone from your Mac? You could email it to your phone, or download in a browser, or from a chat app, or you can use Android File Transfer, as documented in this lesson.
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Go to https://www.android.com/filetransfer/ and click Download Now.
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Drag the Android Icon across to install in Applications.
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Open Android File Transfer, and connect your Android device to your computer using a USB cable. On your device, go to Settings, then "Connected Devices" and then "USB". Turn on "Transfer Files".
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Drag your app into a folder in the screen that appears. Downloads is a good folder to choose. If you don't see a screen, check that you have file transfer enabled in your USB settings on the phone, and that the phone is unlocked.
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On your device, go to Files
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Go to Downloads (or whatever folder you put your file into). Double click the app you are installing.
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You may get this warning. If so, click "Settings".
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Enable "Allow from this source".
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You may get a request to allow certain permissions here that your app needs, but in this case, our app doesn't seem to need anything special so we just click "install".
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Our app is now installed successfully on the phone. You should be able to see it on your home screen, either with a default Android icon, or the icon you set for the app.
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