ionic4安卓真機調試

首先數據線連接電腦，，找到開發者選項打開usb調試，，
測試：在電腦上打開360手機助手，用手機打開360手機助手，用電腦連接手機，看是否成功。
執行命令：ionic run android -l -c

$  ionic run android -l -c
[WARN] Cordova engine chosen without a target platform. This could cause issues. Please use the --platform option.
> ng run app:ionic-cordova-build
Could not find module "@ionic/ng-toolkit" from "E:\\6------Project-framework\\ionic-demo".
Error: Could not find module "@ionic/ng-toolkit" from "E:\\6------Project-framework\\ionic-demo".
    at Object.resolve (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\core\node\resolve.js:141:11)
    at Observable.rxjs_1.Observable [as _subscribe] (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\src\architect.js:132:40)
    at Observable._trySubscribe (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:43:25)
    at Observable.subscribe (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:29:22)
    at DoOperator.call (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\operators\tap.js:29:23)
    at Observable.subscribe (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:24:22)
    at C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\util\subscribeTo.js:22:31
    at Object.subscribeToResult (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\util\subscribeToResult.js:7:45)
    at MergeMapSubscriber._innerSub (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\operators\mergeMap.js:75:38)
    at MergeMapSubscriber._tryNext (C:\Users\zt\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\operators\mergeMap.js:72:14)
[ERROR] An error occurred while running subprocess ng.

        ng run app:ionic-cordova-build exited with exit code 1.

        Re-running this command with the --verbose flag may provide more information.

報錯
命令應該是ionic cordova run android -l -c，並且用cmd運行，注意應該把手機之前的測試安裝包刪掉。
成功之後，手機上就自動安裝了項目包

打開chrome://inspect/#devices網頁，手機連接電腦之後，界面顯示

點擊inspect，就會打開調試界面，（注意打開調試界面的時候必須翻牆）

這樣就是成功了！！！！！