Getting Error "java.lang.NoClassDefFoundError: com.android.tools.fd.runtime.AppInfo"
<p><strong>When i launch app it getting me this error</strong></p>

<pre><code>FATAL EXCEPTION: main
                                                     java.lang.NoClassDefFoundError: com.android.tools.fd.runtime.AppInfo
                                                         at com.android.tools.fd.runtime.BootstrapApplication.attachBaseContext(BootstrapApplication.java:229)
                                                         at android.app.Application.attach(Application.java:181)
                                                         at android.app.Instrumentation.newApplication(Instrumentation.java:991)
                                                         at android.app.Instrumentation.newApplication(Instrumentation.java:975)
                                                         at android.app.LoadedApk.makeApplication(LoadedApk.java:504)
                                                         at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4417)
                                                         at android.app.ActivityThread.access$1300(ActivityThread.java:141)
                                                         at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
                                                         at android.os.Handler.dispatchMessage(Handler.java:99)
                                                         at android.os.Looper.loop(Looper.java:137)
                                                         at android.app.ActivityThread.main(ActivityThread.java:5103)
                                                         at java.lang.reflect.Method.invokeNative(Native Method)
                                                         at java.lang.reflect.Method.invoke(Method.java:525)
                                                         at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
                                                         at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
                                                         at dalvik.system.NativeStart.main(Native Method)
</code></pre>