1. A method of searching content, comprising: at a mobile client device executing a social media messaging program: receiving, in the social media messaging program, a search request including one or more search terms; in accordance with a predefined search type hierarchy, searching content of a first set of content types of a plurality of content types to produce first search results, wherein: the search is based on the search request; and the predefined search type hierarchy specifies an order with which content types in the plurality of content types are to be searched; determining a count of the first search results; when the count of first search results is greater than or equal to a predefined number, displaying the first search results and affordances for searching content of one or more other content types in the plurality of content types; when the count of first search results is less than the predefined number: in accordance with the predefined search type hierarchy, searching content of a second set of content types of the plurality of content types to produce second search results; and displaying the second search results.
1. A method of searching content, comprising: at a mobile client device executing a social media messaging program: receiving, in the social media messaging program, a search request including one or more search terms; in accordance with a predefined search type hierarchy, searching content of a first set of content types of a plurality of content types to produce first search results, wherein: the search is based on the search request; and the predefined search type hierarchy specifies an order with which content types in the plurality of content types are to be searched; determining a count of the first search results; when the count of first search results is greater than or equal to a predefined number, displaying the first search results and affordances for searching content of one or more other content types in the plurality of content types; when the count of first search results is less than the predefined number: in accordance with the predefined search type hierarchy, searching content of a second set of content types of the plurality of content types to produce second search results; and displaying the second search results. 6. The method of claim 1 , wherein the predefined search type hierarchy is user-defined.