第十期_移动端性能测试_20190919

[seveniruby (思寒)]

课前准备

• ffmpeg
• android studio
• monitor
• https://developer.android.com/topic/performance
• https://developer.android.com/studio/profile

app性能测试

• https://developer.android.com/topic/performance/vitals/launch-time

package=com.xueqiu.android
清理缓存数据：adb shell pm clear $package
停止进程：adb shell am force-stop $package
启动app：adb shell am start  -S -W $package/.view.WelcomeActivityAlias
获取数据：adb logcat |grep -i displayed

录屏 拆帧

adb shell screenrecord --bugreport --time-limit 30 /data/local/tmp/xueqiu.mp4
adb pull /data/local/tmp/xueqiu.mp4 .
ffmpeg -i xueqiu.mp4  xueqiu.gif
ffmpeg -i xueqiu.mp4  -r 10 frames_%03d.jpg

!(/uploads/photo/2019/d289a0d7-30a2-4e8c-9ac1-8219c2f59d3b.gif!large =400x)

web/webview性能测试

• chrome://inspect/#devices

接口性能测试

课后作业1

提取自己公司的app的启动视频，转成gif上传到回复里