Sometimes it is very slow to automatically update the android SDK. In this case, you can manually update the SDK.
1. download the file to be updated. Open the https://dl-ssl.google.com/android/repository/repository.xml, and you can find the file you want to download. Add ht
Why use the FOTA upgrade system? What are the benefits of FOTA service
If you agree to the terms of the Fota service, the phone will be registered to the FOTA server to automatically detect new software (firmware) and will notify you when new software is released.
In addition, Samsung will automatically send push information in case of an emergency or if the network allows it, so you can easily keep your phone
, if you do not remove this-W, Your data will be deleted.Here's an example of Nexus 5, with a text editor to update fastboot-w in Flash-all.bat (PC) or flash-all.sh (Mac or Linux computer) Image-hammerhead-lmy47d.zip, you need to change to update image-hammerhead-lmy47d.zip, in fact, is to remove-W, due to different equipment flash-all.bat or. SH to brush the. zip different, here you just need to remember t
Pre-Article: Analysis of Working Process of Android 4.4 Kitkat Phone (1) _ overview and learning plan
Android 4.4 Kitkat Phone workflow analysis (ii) _ UI Structure Analysis
Android 4.4 Kitkat Phone workflow analysis (iii) _ MO (P
these memory, and when memory usage reaches a critical value, Opening another program system again selects some programs that are less important to turn off to free up memory for the program to run.
And the reason we feel the phone is going to slow down when you open a large program is that when you open the program, this program will apply memory to the system, because the system will not shut down all processes, but only selectively to shut down,
displayed.
Figure 5 Multiple cils ui (pictrue from @ Eric Li)
Figure 6 Conference cils ui (pictrue from @ Eric Li)Comparison between Android 4.4 and 5.0 MO/MT
I have analyzed the MO/MT process of Android 4.4 before. For details, see:
Android 4.4 Kitkat Phone workflow analysis (iii) _ MO (Power removal) Process Anal
times the toilet, spit several times, the last time, even my cell phone fell into the wash basin!Very depressed to take out the phone. But because of the role of alcohol, at that time did not think of anything, until the next day, found that want to give the company do not know how to do, because the mobile phone into the water, the inside of the information is
original screen lock was missing, and the phone inside the data without any damage.
Method two, double wipe/Shuangqing, and restores the factory setting effect quite
If you do not have any important files on your phone, you can take this approach, basically all Android phones are suitable for this method, before the operation of the best mobile card and memory
Article Description: do Android apps need to quit manually?
More than once, more than one person has asked the question. I answered: no need. However, it is still to be recorded.
Let's start by understanding the system's internal mechanisms for application management.
For the Android system, it includes processes and services. "Process" has a running,
More than once, more than one person has asked the question. I answered: no need. However, it is still to be recorded.
Let's start by understanding the system's internal mechanisms for application management.
For the Android system, it includes processes and services. "Process" has a running, also has just left in the background cache. A "service" is an interface-free, long-running application feature that is not easily terminated.
We know that in
calls UI (Pictrue from @Eric Li)Android 4.4 vs 5.0 MO/MTYou have previously analyzed the MO/MT process for Android 4.4, see:An analysis of the workflow of Android 4.4 Kitkat Phone (iii) __MO (power off) processAn analysis of the workflow of Android 4.4 Kitkat
Recommended reading:
An analysis of Android phone defender SIM card binding
An in-depth analysis of the Android phone defender MD5 encryption when saving passwords
Detailed Android Phone Guardian Settings Wizard page
An analys
has not updated the system for a long time. The original version was Android 6, currently, 7 is supported. You only need to upgrade the stable version to 7 and click the developer version 7. After the developer version is refreshed, you will be prompted to apply for an unlock task, after the mobile phone is connected to the driver, the software cannot find the mobile p
, personal advice set to 30 seconds.
3, when not to close the screen manually. This is a very good habit of saving batteries, but it takes a while to develop, every time after watching the phone into the pocket press the power button (hanging machine key) can let the phone black screen.
4, close the window animation effect. Although these animations look cool,
the command again when the download is complete.Once the download is complete, you can download and install the GCC compiler.Input command: sudo apt-get install g++After the carriage return, the system will automatically download the g++ compiler (you will understand him as an upgraded version of GCC), may be downloaded when the time to stop to ask if you really want to download the general prompt (y/n), enter Y and then return to the good.After completion (after you can enter the command again
is enough for Fota to upgrade.
Step 3. Check to see if there is enough memory on the mobile device.
1. Under the Standby page, select "Application".
2. Select "Set".
3. Slide up the screen and select "Memory".
4. Check the "USB memory" available space.
Note: The amount of space required is 100MB. (1000MB = 1GB, therefore, in this case, there is enough sto
Because app2sd of Android 2.2 is not fully enabled by default, only a few pieces of software can be installed on the SD card, so to install the software on the SD card, you need to manually activate it.There are two methods:The first is to use ADB on the computer. For example, the PC assistant can install the program on SD.The second method is to directly operate on the mobile
Manually update settings in command line [first written by Steve Guo, please keep the mark if forwarding.]
Android saved settings in a database file which is/data/COM. android. providers. settings/databases/settings. DB. for some settings, Android does not support set them o
Samsung detected this problem not because the latest Android 4.4 KitKat version does not support third-party accessories, but is just a system bug.If you are sure that your problem is not a system bug, we can refer to the following methods to see1) The first possibility is that the network data is not smooth. We recommend that you upgrade the network to a better position. Or use wifi to download the firmware.2) The second possible cause of an
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