itop4412 development version - Android system uninstall default apk usage documentation

砂舞的玩笑 · Published on 2019-12-17 13:53

itop4412 development version - Android system uninstall default apk usage documentation [Copy link]

The Android system of itop4412 development version is not the highest authority by default. You can see that the last one is a $ sign, as shown in Figure 1 below.

We need to enter the root privileges, and we can see that the last character is a # symbol, as shown in the figure below.

Just enter the su command in the HyperTerminal.

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The next thing is to delete the software we want to delete. Our default apps are all system/app

In this file, I will introduce the steps to delete it below.

1. Go to the system/app folder and find the name of the software we want to delete. I will delete Music.apk

Take APK as an example, enter the directory and find the APK, as shown in the figure below.

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2. Enter the delete command rm -r Music.apk in the HyperTerminal, and the following error will appear. The reason is that the system folder

It is caused by no permission.

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The solution is very simple. Enter mount -o rw, remount /system in the hyperterminal and set the system folder.

The folder is readable and writable, and then we can delete the apk we want to delete by executing the delete command. The operation result is as follows

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After checking, I found that there was no Music.apk file (compare with the above picture), as shown below.

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After deleting the apk we want to delete, we need to delete the corresponding data as well. The data is in the data/data directory. Enter

The data corresponding to this apk is found in this directory, as shown below.

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Enter the command rm -r com.android.music to delete the data in the HyperTerminal, and you will find that the data has been deleted.

As shown in the figure below.

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You can find in the graphical interface that the apk has been deleted.

Some video viewing addresses:

iTOP4412 development board introduction https://www.bilibili.com/video/av74453392

iTOP4412 development board system programming introduction https://www.bilibili.com/video/av75754003

iTOP4412-fastboot flashing Android https://www.bilibili.com/video/av76115803

iTOP4412-Install virtual machine software https://www.bilibili.com/video/av75881580

iTOP4412-Creating and configuring virtual machines https://www.bilibili.com/video/av75881653

iTOP4412-Get and install Ubuntu operating system https://www.bilibili.com/video/av75881774

iTOP-4412 driver tutorial 1 https://www.bilibili.com/video/av74131033

iTOP-4412 driver tutorial 2 https://www.bilibili.com/video/av74131033?p=2

iTOP-4412 driver tutorial 3 https://www.bilibili.com/video/av74131033?p=3

How to expand LCD screens of different specifications for iTOP-4412 development board https://www.bilibili.com/video/av75870604

itop4412-compile uboot corresponding to 4412 https://www.bilibili.com/video/av76737204

Project Practice - Introduction to GPS Positioning https://www.bilibili.com/video/av78601887

Project Practice-Xunwei Practical Tutorial Introduction https://www.bilibili.com/video/av78601813

Project Practice - Motorcycle Navigation - Motorcycle Navigation Project Demonstration https://www.bilibili.com/video/av78601986

Project Practice - Motorcycle Navigation - Customized Kernel Display Logo https://www.bilibili.com/video/av78729131

Project Practice - Motorcycle Navigation - Modify Android Boot Animation https://www.bilibili.com/video/av78972262