title: app crashes in android 4.4 versions and give below error . and worked great from android 5.0 versions
body: <p>I develope app for supports android 4.4 and up 
  i gave min sdk version 19 and targeted version 25 , but my app crashes in android 4.4 and working great in android 5.0</p>
  
  <p>this is my logcat :</p>
  
  <pre><code>FATAL EXCEPTION: main Process: com.Forewarn.ForewarnApp, PID: 7367 java.lang.VerifyError: com / Forewarn / ForewarnApp / activities / SignInActivity
  at java.lang.Class.newInstanceImpl(Native Method)
  at java.lang.Class.newInstance(Class.java: 1208)
  at android.app.Instrumentation.newActivity(Instrumentation.java: 1061)
  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java: 2154)
  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java: 2286)
  at android.app.ActivityThread.access$800(ActivityThread.java: 145)
  at android.app.ActivityThread$H.handleMessage(ActivityThread.java: 1243)
  at android.os.Handler.dispatchMessage(Handler.java: 102)
  at android.os.Looper.loop(Looper.java: 136)
  at android.app.ActivityThread.main(ActivityThread.java: 5127)
  at java.lang.reflect.Method.invokeNative(Native Method)
  at java.lang.reflect.Method.invoke(Method.java: 515)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java: 825)
  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java: 641)
  at dalvik.system.NativeStart.main(Native Method)
  </code></pre>