Android phone module 4.2 platform and 4.4 platform are different, android4.4

Android phone module 4.2 platform and 4.4 platform are different, android4.4

Android Phone Module

 

Platform 4.2

Source code ModulePhone Contacts

Source code pathSourcePath/package/app/Phone sourcePath/package/app/Contacts

Generate apk path/System/app/Phone.apk/system/app/Contacts.apk

 

Platform 4.4

 

Source code ModuleDialer InCallUI TeleService

Source code pathSourcePath/package/app/Dialer sourcePath/package/app/InCallUI sourcePath/package/services/Telephony

Generate apk path/System/priv-app/Dialer.apk　　　　　/System/priv-app/TeleService.apk

 

4.2 The dial on the platform is under Contacts.

4.4 platform dial under Dialer

 

The make file of Dialer has included InCallUI, so even if the apk generated by the InCallUI module is pushed to the mobile phone, it will not be able to see any effect. Dialer is a dial-up application; TeleService is responsible for Server; InCallUI is responsible for interface display.

 

 

 

Android Phone drivers cannot be installed. How can this problem be solved?

SB device.
Second, USB devices cannot be recognized by computers. First, we need to determine whether it is a computer or a USB device. We can use other USB devices to test whether the computer is faulty.
If it is a computer problem. Is your computer damaged by viruses. Whether the USB driver is installed properly or the version is not compatible. There is no software conflict (first solve the Software Problem). Generally, a prompt is prompted to install the driver.
If it is a computer hardware problem. We first use A multimeter to measure the four USB lines (Red + 5 V White DATA-green DATA-black ground). The multimeter red table pen measures the ground black table pen (white line and hidden line. The resistance value does not differ by 50 euro. These two lines are all from the south bridge. If the resistance value changes too large, it can be determined that it is a south bridge problem. It indicates that the module of USB in the south bridge is burned out.
A lot of USB devices need drivers now. Even if there is no driver, it cannot be identified. There are several situations that cannot be identified. A usb data cable or poor contact is generally exposed to that place because of a long time it may rust and bloat, and something may be blocked in it. The USB cable is disconnected. The red line does not respond, and white lines cannot be identified. Green lines cannot be identified. White Lines and green lines cannot be reversed. It cannot be identified. The black line does not respond, and this measurement method has been discussed above.
Note: The red line with a low voltage of 5 V can also lead to unrecognized.
Three USB board internal problems. 1. Poor crystal oscillator. 2. Poor crystal oscillator capacitance (20 P): Two
3. Poor reset capacitor resistance. The Reset Voltage is too high at the bottom. 4. Poor three-end IC provides insufficient voltage for the IC. 5.
Poor primary IC
Good luck!

After the call, the process comandroidphone is stopped.

It indicates that there is a bug in the Phone module of the mobile Phone, which causes the system to crash and can be reported to developers for solutions.