Dynamic key mapping of a graphical keyboard

A computing device comprising:

• a presence-sensitive display;
• at least one processor;
• and
• a memory comprising instructions that, when executed by the at least one processor, cause the at least one processor to:
• output, for display at the presence-sensitive display, a graphical keyboard comprising a plurality of keys;
• determine, based on an initial selection of one or more keys from the plurality of keys, one or more candidate words;
• determine, based on the one or more candidate words, a probability that a particular key will be selected after the initial selection of the one or more keys;
• and
• responsive to determining that the probability does not satisfy a probability threshold, output, for display at the presence-sensitive display, an updated graphical keyboard that includes a graphical indication designating an area of the graphical keyboard associated with the particular key as being an additional portion of the graphical keyboard for selecting a character associated with an adjacent key.

A computer-readable storage medium encoded with instructions that, when executed by at least one processor of a computing device, cause the at least one processor to:

• output, for display at a presence-sensitive display, a graphical keyboard comprising a plurality of keys;
• determine, based on an initial selection of one or more keys from the plurality of keys, one or more candidate words;
• determine, based on the one or more candidate words, a probability that a particular key will be selected after the initial selection of the one or more keys;
• and
• responsive to determining that the probability does not satisfy a probability threshold, output, for display at the presence-sensitive display, an updated graphical keyboard that includes a graphical indication designating an area of the graphical keyboard associated with the particular key as being an additional portion of the graphical keyboard for selecting a character associated with an adjacent key.