Screen projection processing method and device

A projection processing device comprising:

• a processor;
• and
• a storage medium storing computer program codes that, when executed, cause the processor to:
• obtain an operation for a first electronic device;
• respond to the operation by calling a task manager of the first electronic device;
• display a plurality of application objects managed by the task manager in a display area of the first electronic device;
• determine a first application object from the plurality of application objects;
• and
• project a first display content generated by an application program corresponding to the first application object in an operative state to a second display area of a second electronic device in real-time.