android library in dependencies, but not exist
<pre><code>... // android { ... }

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:23.2.0'
    compile 'com.android.support:design:23.1.0'
    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"

    ... // too long so i cant save edit!

    compile 'org.twitter4j:twitter4j:4.0.4'
}
... //Kotlin and mavenCr..()
</code></pre>

<p>In bulid.gradle file dosent have any problem.
but in Java(Kotlin) code..</p>

<pre><code>twitter4j.* // Unresolved Reference
</code></pre>

<p>Error like this: <code>Error:(23, 23) Unresolved reference: TwitterFactory</code> and another library works fine. only twitter4j dosent work. 
How do i resolve this?</p>