Android Studio 2.3 Signature Step Verification v1(Jar Signature), v2(Full Apk Signature) Disabled

Question

Android Studio 2.3 Generate Signed Apk Second Step Signature Verification v1(Jar Signature), v2(Full Apk Signature) How to enabled ?

Signed Apk Second Step screenshot below gradle files:

My build.gradle file is :-

android {
    compileSdkVersion 25
    buildToolsVersion '25.0.2'
    dataBinding {
        enabled = true
    }
    defaultConfig {
        applicationId 'com.revolution.it'
        minSdkVersion 15
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        vectorDrawables.useSupportLibrary true
        multiDexEnabled true
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
        debug {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    productFlavors {
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    androidTestCompile 'com.android.support.test.espresso:espresso-contrib:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
        exclude group: 'com.android.support', module: 'support-v4'
        exclude group: 'com.android.support', module: 'design'
        exclude group: 'com.android.support', module: 'recyclerview-v7'
    }
    compile 'com.android.support:appcompat-v7:25.1.0'
    compile 'com.android.support:design:25.1.0'
    compile 'com.android.support:support-v4:25.1.0'
    compile 'com.squareup.retrofit2:retrofit:2.1.0'
    compile 'com.squareup.retrofit2:converter-gson:2.1.0'
    compile 'com.squareup.okhttp3:logging-interceptor:3.3.1'
    compile 'uk.co.chrisjenx:calligraphy:2.2.0'
    compile 'org.greenrobot:eventbus:3.0.0'
    compile 'com.squareup.picasso:picasso:2.5.2'
    compile 'com.google.firebase:firebase-messaging:10.0.1'
    compile 'com.google.firebase:firebase-crash:10.0.1'
    compile 'org.apache.directory.studio:org.apache.commons.io:2.4'

    // Image and file picker
    compile 'com.droidninja:filepicker:1.0.8'

    compile 'com.android.support:multidex:1.0.1'
    compile 'com.google.android.gms:play-services-location:10.0.1'
    testCompile 'junit:junit:4.12'
    debugCompile 'com.amitshekhar.android:debug-db:1.0.0'

}

apply plugin: 'com.google.gms.google-services'

Lozoya

Answer 1

Finally i found solutions of the problem

v1 or v2 signature varification is enable when i update the gradel version no build.gradle(Proejct Level)
classpath 'com.android.tools.build:gradle:2.3.0'

my old build.gradle( Project Level)

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.2.3'
    }
}

allprojects {
    ........
}

task clean(type: Delete) {
    ......
}

my update build.gradle( Project Level)

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.0'
    }
}

allprojects {
......
}

task clean(type: Delete) {
......
}

Lozoya

Enable both , first i have enable full apk signature but was not able to install on many phone enabling both solved my problem I don't know what's the difference between them and why it got installed on some phone . I had tried full uninstall but didn't worked . Btw i was using signed apk – Nicolasanicolau