"0050" Android basic -36-content provider (ContentProvider)

Special points to note for "0":

In the creation of the "0.1" database, the ID of the first column must be preceded by an underscore;

"1" Content provider ContentProvider instance

"1.1" Create a database

"1.2" Take out the dick and Harry data;

"1.3" Querying data from the command line

"1.4" Method of changing the encoding entry for DOS tools

There is a garbled way to change the DOS encoding:

"1.5" Data curd: Program B after clicking on the query button to query the data of program a

"0050" Android basic -36-content provider (ContentProvider)