Add TimerUtils.java
Merge branch 'master' of github.com:CHU-TDAP/e-learning
Merge branch 'master' of github.com:CHU-TDAP/e-learning
Merge branch 'master' of github.com:CHU-TDAP/e-learning
整合QRCode
取得學習點教材路徑
Fix QRScan
Fix QRCode Scan repeat tag problem
Merge branch 'master' of github.com:CHU-TDAP/e-learning

Conflicts:
	src/tw/edu/chu/csie/e_learning/ui/MainFunctionActivity.java