hello world 一个简单App的逻辑代码

[{"title":"（ 72 个子文件 135KB ） hello world 一个简单App的逻辑代码","children":[{"title":"HelloWord","children":[{"title":"gradlew.bat <span style='color:#111;'> 2.70KB </span>","children":null,"spread":false},{"title":"gradlew <span style='color:#111;'> 5.63KB </span>","children":null,"spread":false},{"title":"gradle.properties <span style='color:#111;'> 1.24KB </span>","children":null,"spread":false},{"title":"mylibrary","children":[{"title":"proguard-rules.pro <span style='color:#111;'> 750B </span>","children":null,"spread":false},{"title":"src","children":[{"title":"test","children":[{"title":"java","children":[{"title":"com","children":[{"title":"seven","children":[{"title":"mylibrary","children":[{"title":"ExampleUnitTest.java <span style='color:#111;'> 380B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":"androidTest","children":[{"title":"java","children":[{"title":"com","children":[{"title":"seven","children":[{"title":"mylibrary","children":[{"title":"ExampleInstrumentedTest.java <span style='color:#111;'> 757B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":"main","children":[{"title":"java","children":[{"title":"com","children":[{"title":"seven","children":[{"title":"mylibrary","children":[{"title":"BaseApplication.java <span style='color:#111;'> 1.20KB </span>","children":null,"spread":false},{"title":"BaseFragment.java <span style='color:#111;'> 1.17KB </span>","children":null,"spread":false},{"title":"BaseActivity.java <span style='color:#111;'> 3.12KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":"AndroidManifest.xml <span style='color:#111;'> 120B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"consumer-rules.pro <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":".gitignore <span style='color:#111;'> 6B </span>","children":null,"spread":false},{"title":"build","children":null,"spread":false},{"title":"build.gradle <span style='color:#111;'> 1.10KB </span>","children":null,"spread":false},{"title":"libs","children":null,"spread":false}],"spread":true},{"title":"app","children":[{"title":"proguard-rules.pro <span style='color:#111;'> 750B </span>","children":null,"spread":false},{"title":"src","children":[{"title":"test","children":[{"title":"java","children":[{"title":"com","children":[{"title":"seven","children":[{"title":"helloword","children":[{"title":"ExampleUnitTest.java <span style='color:#111;'> 380B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":"androidTest","children":[{"title":"java","children":[{"title":"com","children":[{"title":"seven","children":[{"title":"helloword","children":[{"title":"ExampleInstrumentedTest.java <span style='color:#111;'> 752B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":"main","children":[{"title":"res","children":[{"title":"menu","children":[{"title":"menu_home.xml <span style='color:#111;'> 659B </span>","children":null,"spread":false}],"spread":true},{"title":"mipmap-xxxhdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 3.75KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 7.60KB </span>","children":null,"spread":false}],"spread":true},{"title":"drawable","children":[{"title":"tab_home.xml <span style='color:#111;'> 356B </span>","children":null,"spread":false},{"title":"tab_business.xml <span style='color:#111;'> 368B </span>","children":null,"spread":false},{"title":"tab_pos.xml <span style='color:#111;'> 353B </span>","children":null,"spread":false},{"title":"tab_mine.xml <span style='color:#111;'> 356B </span>","children":null,"spread":false},{"title":"ic_launcher_background.xml <span style='color:#111;'> 5.47KB </span>","children":null,"spread":false}],"spread":false},{"title":"color","children":[{"title":"color_tab_home.xml <span style='color:#111;'> 235B </span>","children":null,"spread":false}],"spread":false},{"title":"mipmap-hdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 1.37KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 2.83KB </span>","children":null,"spread":false}],"spread":false},{"title":"drawable-v24","children":[{"title":"ic_launcher_foreground.xml <span style='color:#111;'> 1.66KB </span>","children":null,"spread":false}],"spread":false},{"title":"values","children":[{"title":"colors.xml <span style='color:#111;'> 534B </span>","children":null,"spread":false},{"title":"themes.xml <span style='color:#111;'> 889B </span>","children":null,"spread":false},{"title":"strings.xml <span style='color:#111;'> 251B </span>","children":null,"spread":false}],"spread":false},{"title":"values-night","children":[{"title":"themes.xml <span style='color:#111;'> 811B </span>","children":null,"spread":false}],"spread":false},{"title":"mipmap-xxhdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 2.82KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 5.78KB </span>","children":null,"spread":false}],"spread":false},{"title":"mipmap-mdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 982B </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 1.73KB </span>","children":null,"spread":false}],"spread":false},{"title":"mipmap-xhdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 1.86KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 3.83KB </span>","children":null,"spread":false},{"title":"tab_business_normal.png <span style='color:#111;'> 2.10KB </span>","children":null,"spread":false},{"title":"tab_home_selected.png <span style='color:#111;'> 285B </span>","children":null,"spread":false},{"title":"tab_mine_normal.png <span style='color:#111;'> 1.58KB </span>","children":null,"spread":false},{"title":"tab_business_selected.png <span style='color:#111;'> 1.81KB </span>","children":null,"spread":false},{"title":"tab_mine_selected.png <span style='color:#111;'> 1.11KB </span>","children":null,"spread":false},{"title":"tab_home_normal.png <span style='color:#111;'> 391B </span>","children":null,"spread":false},{"title":"tab_pos_selected.png <span style='color:#111;'> 468B </span>","children":null,"spread":false},{"title":"tab_pos_normal.png <span style='color:#111;'> 491B </span>","children":null,"spread":false}],"spread":false},{"title":"mipmap-anydpi-v26","children":[{"title":"ic_launcher_round.xml <span style='color:#111;'> 272B </span>","children":null,"spread":false},{"title":"ic_launcher.xml <span style='color:#111;'> 272B </span>","children":null,"spread":false}],"spread":false},{"title":"layout","children":[{"title":"fragment_main.xml <span style='color:#111;'> 537B </span>","children":null,"spread":false},{"title":"activity_second.xml <span style='color:#111;'> 1.12KB </span>","children":null,"spread":false},{"title":"activity_splash.xml <span style='color:#111;'> 475B </span>","children":null,"spread":false},{"title":"activity_main.xml <span style='color:#111;'> 946B </span>","children":null,"spread":false}],"spread":false},{"title":"xml","children":[{"title":"data_extraction_rules.xml <span style='color:#111;'> 551B </span>","children":null,"spread":false},{"title":"backup_rules.xml <span style='color:#111;'> 478B </span>","children":null,"spread":false}],"spread":false}],"spread":false},{"title":"java","children":[{"title":"com","children":[{"title":"seven","children":[{"title":"helloword","children":[{"title":"base","children":[{"title":"App.java <span style='color:#111;'> 419B </span>","children":null,"spread":false}],"spread":false},{"title":"ui","children":[{"title":"business","children":[{"title":"BusinessFragment.java <span style='color:#111;'> 835B </span>","children":null,"spread":false}],"spread":false},{"title":"pos","children":[{"title":"PosFragment.java <span style='color:#111;'> 825B </span>","children":null,"spread":false}],"spread":false},{"title":"home","children":[{"title":"SecondActivity.java <span style='color:#111;'> 3.18KB </span>","children":null,"spread":false},{"title":"MainActivity.java <span style='color:#111;'> 1.21KB </span>","children":null,"spread":false},{"title":"SplashActivity.java <span style='color:#111;'> 771B </span>","children":null,"spread":false},{"title":"HomeFragment.java <span style='color:#111;'> 827B </span>","children":null,"spread":false}],"spread":false},{"title":"mine","children":[{"title":"MineFragment.java <span style='color:#111;'> 827B </span>","children":null,"spread":false}],"spread":false}],"spread":false},{"title":"utils","children":[{"title":"DataConfig.java <span style='color:#111;'> 659B </span>","children":null,"spread":false}],"spread":false}],"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"AndroidManifest.xml <span style='color:#111;'> 1.21KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":".gitignore <span style='color:#111;'> 6B </span>","children":null,"spread":false},{"title":"build","children":null,"spread":false},{"title":"build.gradle <span style='color:#111;'> 1.38KB </span>","children":null,"spread":false},{"title":"libs","children":null,"spread":false}],"spread":true},{"title":"gradle","children":[{"title":"wrapper","children":[{"title":"gradle-wrapper.jar <span style='color:#111;'> 57.82KB </span>","children":null,"spread":false},{"title":"gradle-wrapper.properties <span style='color:#111;'> 236B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":".gitignore <span style='color:#111;'> 225B </span>","children":null,"spread":false},{"title":"local.properties <span style='color:#111;'> 417B </span>","children":null,"spread":false},{"title":"settings.gradle <span style='color:#111;'> 347B </span>","children":null,"spread":false},{"title":"build.gradle <span style='color:#111;'> 453B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]