backup phone numbers android

Android phone book first matches 10 bits. If it cannot match, it is changed to 7 bits.Case 1:If you save A: 04165191666, B: 5191666, the incoming call number is 04165191666.Because it is A 7-bit match, both A and B can be matched, but the best match is still A, and finally A is displayed;If the incoming call is 5191666, B is matched.Case 2:Save only A: 04165191666,Call 5191666 or 04165191666 matches.Case 3:

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Android applications simulate mobile phone buttonsI remember that when I was working on a C ++ project, I had to use the code to simulate the Enter effect on the keyboard after a certain step of operation. Out of curiosity, I have studied the key values, simulation methods, and final effects of various buttons on Android phones (or tablets) over the past few days

1. Because Android is a smartphone we can sometimes reboot to solve this problem, we restart the phone to try. 2, if the restart is not valid we can try to download a dedicated photo software to try 3, if still not, we can try to reset the phone to restore the factory settings, in the settings found to restore the factory settings, the different mobile phon

\com\android\providers\contacts) in thepublic static cursor findnumberexactmatchedcursor (cursor cursor, String normalizednumber) methodHere's a description:This method is based on the number matching, then filters the exact number and returnsInput parameters:The cursor is the data returned after all 7-bit matches, followed by an exact match from the face.Normalizednumber is the number used by Call/mmsOutput:If the return is already matched, theMatrix

People who have used Android phones will feel a doubt, open the task manager, a series of processes. You may feel that you have clearly appliedProgramAll quit. Why does the process always exist? Why does the application process that has never been used suddenly emerge? Why is the memory remaining in the system always very small? Is the memory insufficient? In fact, this is related to the memory management mechanism of the

;The Msin:mobile Subscriber identification number has 10 bits, which are structured as follows:09+m0m1m2m3+abcdThere is a correspondence between the M0M1M2M3 and the h0h1h2h3 in the MDN number, and the ABCD four bits are allocated freely.You can see IMSI in the Msin number before the MCC is Nmsi, can distinguish each user from the country, so can achieve international roaming. In the same country, if there are multiple mobile network operators, the MNC can be used to differentiate.Reprinted from

MEI (International Mobile Equipment Identity) is an abbreviation for the International Mobile device Identity Code, the International Mobile Equipment Identification Code, is a 15-digit "electronic serial number", which corresponds to one by one of each mobile phone, and the code is the only one in the world. Each handset will be given a globally unique set of numbers that will be recorded by the manufactur