Android Command capture Log

Mobile phone and computer, open 3 command windows on the computer, enter the following 3 commands respectively to grab Mainlog, Radiolog and Kernallog
ADB logcat-v Time >main.txt
ADB logcat-v time-b Radio >radio.txt
ADB shell Cat proc/kmsg >uart.txt
If it is crawl boot log, you can first enter the command to wait for the device, on boot.

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The log output can be judged in code such as:

if (Log.isloggable (Logtag.app, Log.verbose)) {       "onsizechanged:w=" + width + "h=" + height + "oldw=" + Oldwid th + "oldh=" + oldheight);}

If the APP turns off log.verbose by default, use the command adb shell SetProp Log.tag.APP V to turn on Log.verbose. And then grab log.

Android Command capture Log