The check in class DataMng is invalid and should be changed to transfer
data by means of bundle or saved immediately every time.

Signed-off-by: madshy <752825526@qq.com>
Signed-off-by: madshy <752825526@qq.com>
Signed-off-by: madshy <752825526@qq.com>
Test for git......
Signed-off-by: madshy <752825526@qq.com>
Signed-off-by: madshy <752825526@qq.com>
Signed-off-by: madshy <752825526@qq.com>
Signed-off-by: madshy <752825526@qq.com>
Now can select the phone number and name of the system contacts.
However,the speed of scan the contacts of system are too low and need to
be improved.

Signed-off-by: madshy <752825526@qq.com>