Patent ID: 9727237
Date: 2017-08-08
CPC Classifications: G06F,H04M

Claim:
1. A handheld electronic device comprising: a management system; a storage unit for storing data and programs of the management system; and a processor; wherein when the handheld electronic device is in a single hand operating mode for a user interface of the handheld electronic device, a size of the user interface is adjustable by the management system under an execution of the processor; wherein when a movement on a touch panel of the handheld electronic device starting from a corner of the user interface along a predetermined direction is detected, the size of the user interface is decreased or increased from a first size to a second size, and the entire user interface is shown on the touch panel at both of the first size and the second size; wherein when the size of the user interface is equal to a lower limit or an upper limit, a unidirectional arrow label is shown on the touch panel to indicate that the size can be only increased or only decreased, when the size of the user interface is adjusted to be between the upper and lower limits, a bidirectional arrow label is shown on the touch panel to indicate that the size of the user interface can be both increased and decreased.