Mac Os X Document Reader For Android 5.1.1
Before then, Apple marketing simply stated that iPhone ran a version of Mac OS X made specifically for iPhone. When iOS was introduced, it was named iPhone OS. It was officially renamed iOS on June 7, 2010 with the announcement and introduction of iPad.
Android File Transfer is an application for Macintosh computers (running Mac OS X 10.7 or later) you can use to view and transfer files between your Mac and an Android device (running Android 3.0 or later).
Download and Install:
Mac Os X Document Reader For Android 5.1.1
- Step 1: Click Download Now above.
- Step 2: When the download completes, double-click androidfiletransfer.dmg.
- Step 3: In the Installer window, drag Android File Transfer to Applications.
Use Android File Transfer
- Use the USB cable that came with your Android device to connect it to your Mac.
- Double-click Android File Transfer to open it the first time (subsequently, it opens automatically).
- Browse the files and folders on your Android device, add folders, copy files up to 4GB to or from your Mac, delete files, and more.
- Choose Help > Android File Transfer Help to learn more.
Note: If you are looking for Android file transfer software for Windows, you actually don't need extra software to connect your Android device to a Windows computer. It should be plug and play. If you are having issues, you can get help in our mobile computing forum.
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Nexus 7 is only charging if it is connected to my mac. It is not being detected in Android Studio nor Android file transfer and there isn't anything popping up or showing a USB symbol on the Nexus. I enabled the 'USB debugging' option in the Developer menu.The connection mode was set by default to MTP.
Adobe Reader For Android
Is there a problem with the cable, port or OS?

2 Answers
Download the Android File System application.
Install the Android File System app by opening the DMG file, and then dragging the App into your Applications folder.
Once installed, connect your Nexus 7 to your Mac via the USB cable. Open up the Android File System app. It should recognize your tablet and then open up a Finder type window.
You can drag and drop files and media into the window. Additionally, you can create new folders and delete files. Be sure you know what files your deleting as you can break the OS by deleting or altering essential system files.
If you get a “No Device Found” message, be sure your Nexus 7 is in Media device (MTP) transfer mode. You can do this by swiping down to open the notification tray and then tapping on the Connected As… message.
Connect your Nexus 7 to Mac via USB cable. Now go to Settings -> Developer options and turn On the USB debugging.
If you don't see Developer Options under Settings then, go to Settings -> About Tablet and tap on the Build Number multiple times (7 times) to enable the Developer Options.