include multidex but still app crashing download from play store

Question

App was running fine android studio but whenever download from play store app crash on android nougat or lower then then i included multidex but still same error

Build Gradle :

    compileSdkVersion 29
    buildToolsVersion "29.0.0"
    defaultConfig {
        applicationId "com.------.--"
        minSdkVersion 15                    //lowsdk then 20
        targetSdkVersion 29
        multiDexEnabled true               //enable multiDexEnabled
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies:

dependencies {

    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'androidx.appcompat:appcompat:1.0.2'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.google.android.gms:play-services-ads:18.0.0'
    implementation 'com.android.support:multidex:1.0.3'
    implementation 'com.google.android.material:material:1.0.0'


    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.2.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'

}

MainActivity:

 
public class MainActivity extends AppCompatActivity  implements View.OnClickListener  {

    @Override
    protected void attachBaseContext(Context base) {
        super.attachBaseContext(base)
        MultiDex.install(this)
    }

   continue

}

Stack Trace Image