创建彩信数据库表
private void createMmsTables(SQLiteDatabase db) {
// N.B.: Whenever the columns here are changed, the columns in
// {@ref MmsSmsProvider} must be changed to match.
db.execSQL("CREATE TABLE " + MmsProvider.TABLE_PDU + " (" +
Mms._ID + " INTEGER PRIMARY KEY," +
Mms.THREAD_ID + " INTEGER," +
Mms.DATE + " INTEGER," +
Mms.MESSAGE_BOX + " INTEGER," +
Mms.READ + " INTEGER DEFAULT 0," +
Mms.MESSAGE_ID + " TEXT," +
Mms.SUBJECT + " TEXT," +
Mms.SUBJECT_CHARSET + " INTEGER," +
Mms.CONTENT_TYPE + " TEXT," +
Mms.CONTENT_LOCATION + " TEXT," +
Mms.EXPIRY + " INTEGER," +
Mms.MESSAGE_CLASS + " TEXT," +
Mms.MESSAGE_TYPE + " INTEGER," +
Mms.MMS_VERSION + " INTEGER," +
Mms.MESSAGE_SIZE + " INTEGER," +
Mms.PRIORITY + " INTEGER," +
Mms.READ_REPORT + " INTEGER," +
Mms.REPORT_ALLOWED + " INTEGER," +
Mms.RESPONSE_STATUS + " INTEGER," +
Mms.STATUS + " INTEGER," +
Mms.TRANSACTION_ID + " TEXT," +
Mms.RETRIEVE_STATUS + " INTEGER," +
Mms.RETRIEVE_TEXT + " TEXT," +
Mms.RETRIEVE_TEXT_CHARSET + " INTEGER," +
Mms.READ_STATUS + " INTEGER," +
Mms.CONTENT_CLASS + " INTEGER," +
Mms.RESPONSE_TEXT + " TEXT," +
Mms.DELIVERY_TIME + " INTEGER," +
Mms.DELIVERY_REPORT + " INTEGER," +
Mms.LOCKED + " INTEGER DEFAULT 0" +
");");

db.execSQL("CREATE TABLE " + MmsProvider.TABLE_ADDR + " (" +
Addr._ID + " INTEGER PRIMARY KEY," +
Addr.MSG_ID + " INTEGER," +
Addr.CONTACT_ID + " INTEGER," +
Addr.ADDRESS + " TEXT," +
Addr.TYPE + " INTEGER," +
Addr.CHARSET + " INTEGER);");

db.execSQL("CREATE TABLE " + MmsProvider.TABLE_PART + " (" +
Part._ID + " INTEGER PRIMARY KEY," +
Part.MSG_ID + " INTEGER," +
Part.SEQ + " INTEGER DEFAULT 0," +
Part.CONTENT_TYPE + " TEXT," +
Part.NAME + " TEXT," +
Part.CHARSET + " INTEGER," +
Part.CONTENT_DISPOSITION + " TEXT," +
Part.FILENAME + " TEXT," +
Part.CONTENT_ID + " TEXT," +
Part.CONTENT_LOCATION + " TEXT," +
Part.CT_START + " INTEGER," +
Part.CT_TYPE + " TEXT," +
Part._DATA + " TEXT," +
Part.TEXT + " TEXT);");

db.execSQL("CREATE TABLE " + MmsProvider.TABLE_RATE + " (" +
Rate.SENT_TIME + " INTEGER);");

db.execSQL("CREATE TABLE " + MmsProvider.TABLE_DRM + " (" +
BaseColumns._ID + " INTEGER PRIMARY KEY," +
"_data TEXT);");
}