我写了一个应用程序来侦听从默认消息应用程序发送的短信。Android:ContentObserver触发次数更多
当我使用下面的代码时,该应用程序不会触发发送短信。
SMSSentObserver smsSentObserver = new SMSSentObserver(null, this);
ContentResolver contentResolver = this.getContentResolver();
contentResolver.registerContentObserver(Uri.parse("content://sms/sent"), true, smsSentObserver);
然后通过使用下面的代码,ContentObserver被触发。
SMSSentObserver smsSentObserver = new SMSSentObserver(null, this);
ContentResolver contentResolver = this.getContentResolver();
contentResolver.registerContentObserver(Uri.parse("content://sms"), true, smsSentObserver);
我能够监听发送短信,但SMSSentObserver(实现ContentObserver)onCreate()方法被调用超过一次。 然后我向代码添加条件以找出发送的短信事件。但条件通过了两个事件。
public class SMSSentObserver extends ContentObserver {
private final Context _context;
public SMSSentObserver(Handler handler, Context context) {
super(null);
_context = context;
}
@Override
public void onChange(boolean selfChange) {
saveSentSMS();
super.onChange(selfChange);
}
private void saveSentSMS() {
Uri uriSMSURI = Uri.parse("content://sms/sent");
Cursor cur = this._context.getContentResolver().query(uriSMSURI, null, null, null, null);
if(null == cur) {
return;
}
if(cur.moveToFirst()) {
String strProtocol = cur.getString(cur.getColumnIndex("protocol"));
if(null != strProtocol) { //for sent messages protocol will be null.
return;
}
int type = cur.getInt(cur.getColumnIndex("type"));
if(type == 2) {
String strSMSBody = cur.getString(cur.getColumnIndex("body"));
String strPhoneNo = cur.getString(cur.getColumnIndex("address"));
long smsDateTime = cur.getLong(cur.getColumnIndex("date"));
String serviceCenter = cur.getString(cur.getColumnIndex("service_center"));
String strStatus = cur.getString(cur.getColumnIndex("status"));
String strPerson = cur.getString(cur.getColumnIndex("person"));
Log.e("Info", "SMS saved");
}
}
}
}
“短信保存”在catlog中显示两次而不是一次。有人可以告诉我,有没有其他方法来找出发送的短信?
任何帮助被赞赏。