Android Studio Toolbar Toggle Stutter

First on the solution: Open docked mode and close pinned mode.

The problem arises:

When Android Studio starts to use, does not like to open docked mode after the code Editor's size is always changing, so closed ~ ~

Later all kinds of lag, memory up to 8G also did not charge, also did not think up to mend this option ~ ~ Heart Pondering this thing how this urine sex.

Until a day to reload as, modify this option to find that the difference between the changes before and after the general ~ ~ ~

Android Studio Toolbar Toggle Stutter