【Android】埋log debug

ref:

[請益] 埋log debug@ptt.cc by fridayjason 

練習用心智圖  講解埋log debug

【Android】java.lang.IllegalStateException: Underflow in restore - more restores than saves

ref:
https://stackoverflow.com/a/41391185

• Downgrade targetSdkVersion to 22 you can run it: meaning it does not crash! but I really don'trecommend that.

• Call canvas.save(); before every restore() is another suggestion from your link given that you can try