1. After the mobile phone login QQ, click on the top left of the Message list page, as shown in the picture.
2. After clicking the Avatar, a menu item list appears with a "setting" icon in the lower left corner and clicks on it, as shown in the picture.
3. After entering the "Settings" page, click on the "Device lock, account Security" submenu, as shown in the picture.
4. In the "Device Lock, account security" inside find "Gesture password Lock" Item, click to enter, as shown in the figure.
5. Enter the "Gesture password lock", prompted us to create a gesture password, click this button, as shown in the picture.
6. There is a "draw unlock pattern" page, in the 3*3 of the nine dots above the random painting pattern, but to keep in mind your graphics.
7. Draw again just the pattern, this time is to confirm the unlock pattern, must draw the same two times to confirm success.
8. Gesture password lock has been opened successfully, after exiting the QQ, will automatically lock QQ. You can also lock the navigation bar of the first screen above the slider.