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posted by wap, platform: Chrome

Apparently Android M has included some multi-window support. This post will show you how to enable it, but it requires some knowledge of ADB and Linux shell commands.

Install and boot into TWRP recovery

Go into "Mount" and make sure "System" is mounted.

Connect your device to a computer with ADB. Make sure ADB is working using this command:

adb devices

We need to make some changes to build.prop. The following commands will allow us to edit this:

adb shell

cd /system

vi build.prop

To enable multi-window, we will need to change the line

ro.build.type=user

to

ro.build.type=userdebug

Exit the editor, and exit the shell, and hit reboot. You will get a warning about failing verification and how your device might not work properly, but as far as i know it's okay to just ignore that warning. At least, my Nexus 9 that I tried this on is still working just fine so far.

Go into developer options, and scroll down until you see "Multi-window mode". Enable that.

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