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Android Studio

Change output apk name using build.gradle

Output result:  AppNameProd4.1.2_050718.apk

android {
    applicationVariants.all { variant ->
        variant.outputs.all {
            def flavor = variant.productFlavors[0].name.capitalize()
            def version = variant.versionName
            def date = new Date()
            def formattedDate = date.format('ddMMyy')
            outputFileName = "AppName${flavor}${version}_${formattedDate}.apk"
        }
    }
}

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Run signed apk on your device via Android Studio

  1. Open local.properties and add there keystore location, alias and password:This file must NOT be checked into Version Control Systems, as it contains information specific to your local configuration and password now. 
    password=your_password
keystore=C\:/keystore_location/keystore.jks 
alias=your_alias
  2. Add signingConfigs at build.gardle of the module: 
    android {
...
    signingConfigs {
        release {
        keyAlias alias
        keyPassword password
        storeFile file(keystore)
        storePassword password
        }
    }
...
}
  3. Add build types: 
    android {
...
    buildTypes {
        debug {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('p.txt'), 'proguard-rules.pro'
            shrinkResources true
        }
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('p.txt'), 'proguard-rules.pro'
            shrinkResources true
            signingConfig signingConfigs.release
        }
    }
...
}
  4. Before running choose build variant:
    Capture