Patent attributes
An electronic device displays a messaging user interface on the display, the messaging user interface including: a conversation transcript of a messaging session between a user of the electronic device and at least one other user, and a message-input area that includes a first message input. While displaying the messaging user interface, the device detects a first input by a first contact at a location on the touch-sensitive surface that corresponds to a location in the message-input area; in response to detecting the first input by the first contact, the device display an impact selection interface that includes a plurality of impact effect options. While displaying the impact selection interface, the device detects a second input by a second contact at a location on the touch-sensitive surface that corresponds to a location of a first impact effect option in the plurality of impact effect options; and, in response to detecting the second user input by a second contact, the device displays a preview that applies the first impact effect option to the first message input.