The MVVM pattern needs to be confused. I decompile the app and found that the class using 'variable' in the layout is not confusing. Ask for answers! !

[l-w-h]

The MVVM pattern needs to be confused. I decompile the app and found that the class using 'variable' in the layout is not confusing. Ask for answers! !

  buildTypes {
        release {
           …
            minifyEnabled true
            zipAlignEnabled true
            shrinkResources false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            signingConfig signingConfigs.release
            …
        }
        …
    }