contentobserver

问题 There are lots of questions related to it but none of them help me to get the solution. I am trying to sync all contacts from device to remote server and able to do it easily but when there is a change in contact like update/delete/insert(new contact) unable to find the solution. Tried using ContentObserver but onChange() is getting called multiple times. It's difficult to find the contact changes data. public class ContactService extends Service { private int mContactCount; @Override public

问题 I am developing an Android app in which I have to detect changes in Android SD card for audio files with the file name, file path and operation performed upon it. Example if I am adding a file in my SD card then I want to know Name of the file which is added Path of the file Operation -- Add Previously I Have tried file observer But for that I have to apply it on each and every directory. So I searched for some other solution and got the info about Audio.Media.EXTERNAL_CONTENT_URI . Then I

问题 I know this question has been asked multiple times, but nobody has been able to come up with a working answer from what I have seen. Im working on an app to intercept text messages and depending on the sending #, pop up with a custom alert. I have it working beautifully with a broadcast receiver, however if the user has goSms installed the onReceive() method is never called as goSms aborts it before it ever reaches my app. To get around this, Im trying a content observer on content://sms/ Its