A session timer application code written in very standardized, you can refer to

standup-timer-master
....................\.gitignore
....................\CHANGELOG.md
....................\README.md
....................\standup-timer-test
....................\..................\.classpath
....................\..................\.project
....................\..................\AndroidManifest.xml
....................\..................\default.properties
....................\..................\lib
....................\..................\...\easymock-2.5.2.jar
....................\..................\src
....................\..................\...\net
....................\..................\...\...\johnpwood
....................\..................\...\...\.........\android
....................\..................\...\...\.........\.......\standuptimer
....................\..................\...\...\.........\.......\............\mock
....................\..................\...\...\.........\.......\............\....\ConfigureStandupTimerMock.java
....................\..................\...\...\.........\.......\............\....\StandupTimerMock.java
....................\..................\...\...\.........\.......\............\test
....................\..................\...\...\.........\.......\............\....\AllTests.java
....................\..................\...\...\.........\.......\............\....\ConfigureStandupTimerTest.java
....................\..................\...\...\.........\.......\............\....\MeetingDetailsTest.java
....................\..................\...\...\.........\.......\............\....\PrefsTest.java
....................\..................\...\...\.........\.......\............\....\StandupTimerTest.java
....................\..................\...\...\.........\.......\............\....\TeamDetailsTest.java
....................\..................\...\...\.........\.......\............\....\TeamListTest.java
....................\..................\...\...\.........\.......\............\....\dao
....................\..................\...\...\.........\.......\............\....\...\MeetingDAOTest.java
....................\..................\...\...\.........\.......\............\....\...\TeamDAOTest.java
....................\..................\...\...\.........\.......\............\....\model
....................\..................\...\...\.........\.......\............\....\.....\MeetingStatsTest.java
....................\..................\...\...\.........\.......\............\....\.....\MeetingTest.java
....................\..................\...\...\.........\.......\............\....\.....\TeamTest.java
....................\..................\...\...\.........\.......\............\....\utils
....................\..................\...\...\.........\.......\............\....\.....\TimeFormatHelperTest.java
....................\standup-timer
....................\.............\.classpath
....................\.............\.project
....................\.............\AndroidManifest.xml
....................\.............\default.properties
....................\.............\icon.png
....................\.............\promo.png
....................\.............\res
....................\.............\...\drawable-hdpi
....................\.............\...\.............\icon.png
....................\.............\...\.............\team.png
....................\.............\...\drawable-ldpi
....................\.............\...\.............\icon.png
....................\.............\...\.............\team.png
....................\.............\...\drawable-mdpi
....................\.............\...\.............\icon.png
....................\.............\...\.............\team.png
....................\.............\...\layout-land
....................\.............\...\...........\main.xml
....................\.............\...\...........\timer.xml
....................\.............\...\layout
....................\.............\...\......\about.xml
....................\.............\...\......\collect_text.xml
....................\.............\...\..

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