android provider telephony secret code

://com.example.app.provider/table1")(2) Data manipulation# querycursor cursor = getcontentresolver (). Query ( URI, projection, selection, Selectionargs, SortOrder);if NULL ) { while= cursor.getstring (Cursor.getcolumnindex ("Column1")); int column2 = Cursor.getint (Cursor.getcolumnindex ("Column2")); } Cursor.close (); }# Insert DataContentvalues values = new Contentvalues (), Values.put ("Column1", "text"),

Many of us should have done this, open the dial pad input *#* #4636 #*#* and other characters will pop up an interface to display some information about the phone, this feature is called Android secret code in Android, in addition to these system presets secret

The use of Android:content provider. 1. Content Provider Introduction 2, the use of ready-made content Provider 3. Define your own content Provider First, Content Provider introduction We say the four core components of the Android