title: java.lang.NoClassDefFoundError: com.google.firebase.FirebaseOptions Android
body: <p>I am getting this below error while launching my app.Even, the gradle build/sync finished successfully without any error. This error is related to <code>FireBase</code>, but I am not using <code>firebase</code> in my app. I am using <code>GooglePlayServices</code> <code>location</code>, <code>places</code> and <code>nearby</code> services.</p>
  
  <pre><code>java.lang.NoClassDefFoundError: com.google.firebase.FirebaseOptions
       at com.google.firebase.FirebaseApp.zzeh(Unknown Source)
       at com.google.firebase.provider.FirebaseInitProvider.onCreate(Unknown Source)
       at android.content.ContentProvider.attachInfo(ContentProvider.java:1591)
       at android.content.ContentProvider.attachInfo(ContentProvider.java:1562)
       at com.google.firebase.provider.FirebaseInitProvider.attachInfo(Unknown Source)
       at android.app.ActivityThread.installProvider(ActivityThread.java:4840)
       at android.app.ActivityThread.installContentProviders(ActivityThread.java:4435)
       at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4375)
  </code></pre>
  
  <p>Below is my build.gradle file</p>
  
  <pre><code>android {
      compileSdkVersion 23
      buildToolsVersion "23.0.3"
  
      defaultConfig {
          applicationId "com.poras.whereami"
          minSdkVersion 15
          targetSdkVersion 23
          versionCode 1
          versionName "1.0"
          multiDexEnabled true
  }
  buildTypes {
      release {
          minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      compile fileTree(include: ['*.jar'], dir: 'libs')
      testCompile 'junit:junit:4.12'
      compile 'com.android.support:appcompat-v7:23.1.1'
      compile 'com.android.support:design:23.1.1'
      compile 'com.android.support:cardview-v7:23.1.1'
      compile 'com.android.support:recyclerview-v7:23.1.1'
      compile 'com.google.code.gson:gson:2.2.4'
      compile 'com.squareup.okhttp:okhttp:2.0.0'
      compile 'com.google.android.gms:play-services:9.2.0'
      compile 'com.github.bumptech.glide:glide:3.5.2'
  }
  </code></pre>
  
  <p>I have searched on web, but didn't get any help. Please help me out.</p>