java.lang.RuntimeException: Unable to instantiate activity ComponentInfo / java.lang.ClassNotFoundException

Question

I\'m having this error while running on my device. I\'ve been browsing the issue and I\'m pretty sure I\'m not having the same issues as mentioned. Both of my activities are

Answer 1

I just changed

compileOptions{
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
}

to

compileOptions{
    sourceCompatibility JavaVersion.VERSION_1_7
    targetCompatibility JavaVersion.VERSION_1_7
}

and it worked like a charm.....