The disclosed embodiments relate generally to portable electronic devices, and more particularly, to soft keyboards on portable devices that are capable of performing multiple functions, such as two or more of: telephoning, video conferencing, e-mailing, instant messaging, blogging, digital photographing, digital videoing, web browsing, digital music playing, and/or digital video playing. According to Apple, a computer-implemented method for displaying soft keyboards at a portable electronic device with a touch screen display is disclosed. An application with a plurality of objects is displayed on the touch screen display.

A first gesture by a user on a first object in the plurality of objects is detected. In response to the first gesture, a first soft keyboard is displayed that contains a plurality of keys including primarily letter keys and including a key for selecting a second soft keyboard different from the first soft keyboard. A second gesture by the user on a second object in the plurality of objects is detected, the second object being other than the key for selecting the second soft keyboard. In response to the second gesture, the second soft keyboard is displayed, which contains a plurality of keys including number keys and including a key for selecting the first soft keyboard.

Here's Apple's background on the invention: "As portable electronic devices become more compact, and the number of functions performed by a given device increases, it has become a significant challenge to design a user interface that allows users to easily interact with a multifunction device. This challenge is particularly significant for handheld portable devices, which have much smaller screens than desktop or laptop computers. This situation is unfortunate because the user interface is the gateway through which users receive not only content but also responses to user actions or behaviors, including user attempts to access a device's features, tools, and functions. Some portable communication devices (e.g., mobile telephones, sometimes called mobile phones, cell phones, cellular telephones, and the like) have resorted to adding more pushbuttons, increasing the density of push buttons, overloading the functions of pushbuttons, or using complex menu systems to allow a user to access, store and manipulate data. These conventional user interfaces often result in complicated key sequences and menu hierarchies that must be memorized by the user.

"Many conventional user interfaces, such as those that include physical pushbuttons, are also inflexible. This may prevent a user interface from being configured and/or adapted by either an application running on the portable device or by users. When coupled with the time consuming requirement to memorize multiple key sequences and menu hierarchies, and the difficulty in activating a desired pushbutton, such inflexibility is frustrating to most users.

"In particular, the increased number and density of pushbuttons and the overloaded functions of pushbuttons make it difficult to enter data into portable electronic devices. As a result, performing tasks such as composing an email, composing an instant message, or interacting with applications such as web browsers can be frustrating.

"Accordingly, there is a need for portable multifunction devices with more transparent and intuitive user interfaces for entering data via soft keyboards that are easy to use, configure, and/or adapt."

The inventors are Kenneth Kocienda and Bas Ording. The graphic below is a block diagram illustrating a portable multifunction device with a touch-sensitive display in accordance with some embodiments.

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