今天不知道为什么，总是遇到各种错误，不是程序的BUG，是AS的问题，作为程序员，我们要有耐心去对待。Log里错误如下：
04-10 11:09:48.029 20658-20658/zhuo.myapp E/InstantRun: Could not find slices in APK; aborting.
04-10 11:09:48.039 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.util.ArrayMap', referenced from method com.android.tools.fd.runtime.MonkeyPatcher.monkeyPatchExistingResources
04-10 11:09:48.039 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.util.ArrayMap', referenced from method com.android.tools.fd.runtime.MonkeyPatcher.pruneResourceCache
04-10 11:09:48.059 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.widget.Toolbar', referenced from method zhuo.myapp.MainActivity.access$super
04-10 11:09:48.069 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.app.ActivityManager$TaskDescription', referenced from method zhuo.myapp.MainActivity.access$super
04-10 11:09:48.069 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.app.SharedElementCallback', referenced from method zhuo.myapp.MainActivity.access$super
04-10 11:09:48.069 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.os.PersistableBundle', referenced from method zhuo.myapp.MainActivity.access$super
04-10 11:09:48.069 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.transition.TransitionManager', referenced from method zhuo.myapp.MainActivity.access$super
04-10 11:09:48.079 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.app.assist.AssistContent', referenced from method zhuo.myapp.MainActivity.access$super
04-10 11:09:48.079 20658-20658/zhuo.myapp E/dalvikvm: Could not find class 'android.os.PersistableBundle', referenced from method zhuo.myapp.MainActivity.access$super
搜来的解决办法如下：
File - Settings - Build,Execution,Deployment - Instant Run，去掉Enable Instant Run...边上的钩，点击OK即可。
这一招管用，去掉了那些警告的信息。