Window management method and electronic device supporting the same

A method for window management in an electronic device including a touchscreen display, the method comprising:

• displaying, on a display area of the touchscreen display, a first execution window of a first application;
• displaying, on the display area of the touchscreen display, an application tray including a plurality of user interface (UI) items for executing applications;
• receiving a first user input selecting a UI item from among the plurality of UI items included in the application tray and dragging the selected UI item out of the application tray;
• in response to the selected UI item being released within a first portion of the display area, displaying a second execution window of a second application corresponding to the selected UI item, together with the first execution window such that the first execution window and the second execution window are displayed side-by-side;
• and
• in response to the selected UI item being released within a second portion of the display area, displaying the second execution window with the first execution window, such that the first execution window and the second execution window at least partially overlap.

A method for window management in an electronic device, the method comprising:

• displaying, on a display, a first window;
• displaying, on the display with the first window, a second window as a pop-up window or a split window;
• displaying a handler for adjusting a size of at least one of the first window and the second window at a boundary area of the first window or the second window;
• and
• changing the displayed split window into the pop-up window or the displayed pop-up window into the split window in response to a user input to the handler.

An electronic device, comprising:

• a touchscreen display;
• and
• a processor configured to:
• display, on the touchscreen display, a first window,
• display, on the touchscreen display with the first window, a second window as a pop-up window or a split window,
• display a handler for adjusting a size of at least one of the first window and the second window at a boundary area of the first window or the second window, and
• change the displayed split window into the pop-up window or the displayed pop-up window into the split window in response to a user input to the handler.