appt 工具所在位置..\sdk\build-tools\23.0.1\aapt.exe

#查看Package
>aapt dump badging C:\QQemail.apk | findstr package

package: name='com.tencent.androidqqmail' versionCode='' versionName='5.2.6' platformBuildVersionName='6.0-2704002'


#查看Launchable-activity

>aapt dump badging C:\QQemail.apk | findstr launchable

launchable-activity: name='com.tencent.qqmail.LaucherActivity'  label='QQ閭' icon=''

#首先在手机上打开被测应用程序，然后执行以下命令；
>adb shell dumpsys window windows | findstr Focus

  mCurrentFocus=Window{42ee9c88 u0 com.tencent.android.qqdownloader/com.tencent.pangu.activity.SelfUpdateActivity}

  mFocusedApp=AppWindowToken{42144188 token=Token{428c2308 ActivityRecord{429d60a8 u0 com.tencent.android.qqdownloader/com.tencent.pangu.activity.SelfUpdateActivity t22}}}