Operating System Signals to Applications Responsive to Double-Tapping

A computer-readable memory comprising particular instructions that are executable by one or more processors to cause the one or more processors to perform operations, the particular instructions comprising:

• instructions to cause an operating system of a mobile device to detect one user tap on a displayed object during a first specified time interval;
• instructions to cause the operating system to invoke, in response to detecting the one user tap on the displayed object, a program with a first set of parameters that cause the program to display a first user interface;
• instructions to cause the operating system to detect, during a second specified time interval, multiple user taps on the displayed object;
• and
• instructions to cause the operating system to invoke, in response to detecting the multiple user taps on the displayed object, the program with a second set of parameters that cause the program to display a second user interface that differs from the first user interface.

A computer-readable memory comprising particular instructions that are executable by one or more processors to cause the one or more processors to perform operations, the particular instructions comprising:

• instructions to cause a computing device to detect a first gesture relative to a first icon that represents a first process executing on the computing device;
• instructions to cause the computing device to determine that the first gesture is a double-tap;
• and
• instructions to cause the computing device to terminate execution of the first process in response to determining that the gesture is a double-tap.

A mobile device comprising:

• means for detecting a user gesture relative to a touchscreen of a mobile device;
• means for determining whether the gesture is a single-tap or a double-tap;
• and
• means for causing an operating system of the mobile device to send, to an application accessible through the operating system, a signal having a type that is selected based on whether the gesture is a single-tap or a double-tap.