Solved: Error: Invoke-customs are only supported starting with Android O (–min-api 26)

If you have ever seen an error like below, we have fixed this and got it resolved. The error and solution is like as below.

Compilation Error

Invoke-customs are only supported starting with android o (--min-api 26)

Solution

Modify top level build.gradle file to add following lines

apply plugin: 'com.android.application'

android {
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}