如何获取当前界面的包名，activity名

使用adb shell dumpsys window | findstr mCurrentFocus  命令查看当前运行的包名和Activity

C:\Users\zhaofeng>adb shell dumpsys window | findstr mCurrentFocus
  mCurrentFocus=Window{2c35d995 u0 com.android.gallery3d/com.android.camera.CameraLauncher}