title: Could not find class 'android.graphics.drawable.RippleDrawable
body: <p><strong>Android App closing unexpectedly and giving following error in log-cat.</strong></p>
  
  <pre><code>01-22 00:33:58.470 8193-8193/? E/dalvikvm: Could not find class 'android.graphics.drawable.RippleDrawable', referenced from method android.support.v7.widget.AppCompatImageHelper.hasOverlappingRendering
  01-22 00:34:00.010 1173-1173/? E/MyTag: updateClock : 12:34
  01-22 00:34:00.015 1173-1173/? E/MyTag: updateClock : 12:34 AM
  01-22 00:34:00.051 1173-1173/? E/MyTag: updateClock : 12:34 AM
  01-22 00:34:00.080 1432-1432/? E/ActionIcon: time changed: time = 20170122T003400Asia/Calcutta(0,21,19800,0,1485025440)
  01-22 00:34:00.086 8210-8210/? E/Zygote: Zygote:  error closing descriptor
                                           libcore.io.ErrnoException: close failed: EBADF (Bad file number)
                                               at libcore.io.Posix.close(Native Method)
                                               at libcore.io.BlockGuardOs.close(BlockGuardOs.java:75)
                                               at com.android.internal.os.ZygoteInit.closeServerSocket(ZygoteInit.java:221)
                                               at com.android.internal.os.ZygoteConnection.handleChildProc(ZygoteConnection.java:879)
                                               at com.android.internal.os.ZygoteConnection.runOnce(ZygoteConnection.java:242)
                                               at com.android.internal.os.ZygoteInit.runSelectLoop(ZygoteInit.java:713)
                                               at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:649)
                                               at dalvik.system.NativeStart.main(Native Method)
  </code></pre>