9. The method according to claim 1 , wherein the first signal is generated when a father node of the single control tree corresponding to the one of the plurality of applications is touched for a predetermined time period, and the second signal is generated when the central control tree is double clicked.
1. A method for controlling an electronic device being executed by a processor of the electronic device, the method comprising: establishing a central control tree for the electronic device; obtaining voice data; recognizing the voice data to obtain recognized voice data; and controlling an operation to the electronic device according to the central control tree based upon the recognized voice data; wherein the central control tree is established by: establishing a single control tree for each of a plurality of applications of the electronic device, and obtaining a plurality of single control trees, wherein each node of each of the plurality of single control trees corresponds to a serial number, wherein root nodes of the plurality of single control trees correspond to a same serial number, and other nodes of the plurality of single control trees correspond to different serial numbers; and obtaining the central control tree by merging the plurality of single control trees based upon the serial number corresponding to each node of each of the plurality of single control trees, wherein nodes corresponding to the same serial number are merged to be one node, and the other nodes corresponding to different serial numbers are correspondingly added to the central control tree; wherein the method further comprises: displaying the central control tree on a display screen of the electronic device in response to user's input; deleting a single control tree corresponding to one of the plurality of applications from the central control tree in response to a first signal; and adding a single control tree corresponding to a new application to the central control tree in response to a second signal.