Android setting project as system APP method

What is a system APP and what is a three-party APP?

The system software is located in the system partition, and the data partition is located in the software installed after a third party
System software refers to a system that controls and coordinates computers and external devices, supports the development and operation of application software, and is a collection of various programs that do not require user intervention. Its main function is to schedule, monitor and maintain computer systems; it is responsible for managing various independent hardware in computer systems so that they can work in a coordinated manner. System software enables computer users and other software to treat the computer as a whole without considering how each hardware at the bottom works.
The so-called third-party software refers to software provided by software companies other than the manufacturer of the nonlinear editing system. Most of these software cannot be directly associated with nonlinear cards for input/output, but they can process and edit audio and video materials that have entered the hard disk array, or produce their own two-dimensional and three-dimensional images and then synthesize them with those video materials, and then output the synthesized works by the input/output software. These software have a wide variety and powerful functions. Some of them are even transferred from workstations. It can be said that the reason why nonlinear editing systems can achieve unpredictable effects and attract the attention of the people is entirely dependent on third-party software.

How to operate AS?

Configure android:sharedUserId in the manifest file, and configure category in the startup activity;

<manifest xmlns:andro
    xmlns:tools="/tools"
    package=""
     android:sharedUserId="" 
    >

   <activity
            android:name="."
            android:screenOrientation="landscape"
            android:theme="@style/xxx">
            <intent-filter>
                <action android:name="" />
 
     
                <category android:name="" />
                <category android:name="" />
                <category android:name="" />
            </intent-filter>
        </activity>

Pay attention to configuring the signature file. The system APP needs to be flashed before it can be installed. The gradle version and defaultConfig configuration must be unified;

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