title: Splash Activity Classnotfoundexception only in api>20 level
body: <p>My app only crashed in lower than 20 api level</p>
  
  <p><strong>Error log</strong></p>
  
  <pre><code>E/Android Runtime: FATAL EXCEPTION: main
                Process: docbooking.armino.bill_app_demo_24bit_static, PID: 1935
                java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{docbooking.armino.bill_app_demo_24bit_static/docbooking.armino.bill_app_demo.Splash_Screen}: java.lang.ClassNotFoundException: Didn't find class "docbooking.armino.bill_app_demo.Splash_Screen" on path: DexPathList[[zip file "/data/app/docbooking.armino.bill_app_demo_24bit_static-2.apk"],nativeLibraryDirectories=[/data/app-lib/docbooking.armino.bill_app_demo_24bit_static-2, /vendor/lib, /system/lib]]
                    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2264)
                    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2401)
                    at android.app.ActivityThread.access$800(ActivityThread.java:151)
  </code></pre>
  
  <p>app running in 19&lt;  versions. </p>