Turn on/off Auto-rotate screen quickly by long pressing search button. When you are lying on bed. The screen changes to landscape. Have to open system settings to disable Auto-rotate screen. Did you find it is really inconvenient? This app provides a super easy way for switching this setting. And it provides a state icon to indicate the current setting. Rotation Lock is released under GPLv2 License.Source code at https://github.com/phuang/rotation_lock Known issues:* Can not lock landscape orientation, because Android system does not allow it.* The lock does work in some apps which do not respect system auto-rotate screen setting.