谷歌官方架构组件demo_谷歌组件资源-CSDN文库

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【谷歌官方架构组件demo】是谷歌为开发者提供的一套用于构建高效、健壮且易于测试的Android应用的框架。这套组件主要包括MVVM（Model-View-ViewModel）架构模式中的几个关键部分，如ViewModel、LiveData以及Room数据库。这些组件旨在帮助开发者遵循最佳实践，提升代码的可维护性和用户体验。 1. **MVVM架构**：MVVM是一种流行的设计模式，它将应用程序分为三个主要部分：Model（模型），负责处理数据；View（视图），负责用户界面；ViewModel（视图模型），作为View和Model之间的桥梁，持有UI相关的数据并处理业务逻辑。MVVM模式在Android开发中可以帮助实现解耦，使测试和维护变得更加容易。 2. **ViewModel**：在Android中，ViewModel类是Android架构组件库的一部分，它的设计目的是为了保存UI的状态，即使在设备配置更改（如屏幕旋转）时也能保持存活。这意味着开发者可以避免在配置改变时丢失用户的数据或状态，提高应用的用户体验。 3. **LiveData**：LiveData是Android架构组件中的一个观察者模式实现，它可以自动管理数据的生命周期，确保数据在正确的时间被更新并且只更新到活跃的Observer（观察者）。LiveData与ViewModel结合使用，当数据发生变化时，LiveData会自动通知订阅的UI组件进行刷新，这样开发者就不需要手动处理回调，降低了出错的可能性。 4. **Room**：Room是Google提供的一个数据库抽象层，它是SQLite数据库的现代、类型安全的API。Room使得在Android应用中操作数据库变得更加简单，提供了编译时的错误检测，以及对SQL查询的方便支持。Room包括DAO（数据访问对象）接口，实体类以及数据库的抽象层，可以减少因直接操作SQLite而引入的复杂性和错误。 5. **Todoapp**：这个压缩包中的"todoapp"很可能是一个示例项目，演示了如何在实际应用中整合以上提到的架构组件。开发者可以通过分析这个示例来学习如何创建一个使用MVVM架构，依赖于ViewModel、LiveData和Room的应用程序。在这个项目中，可能会看到如何定义数据模型，如何设置ViewModel来处理业务逻辑，如何使用LiveData来实现数据的实时更新，以及如何利用Room进行数据库操作。通过深入研究和实践这个"谷歌官方架构组件demo"，开发者不仅可以掌握Android开发的最佳实践，还能提高其在复杂应用开发中的技能，为创建高效、稳定的应用奠定坚实基础。

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谷歌官方架构组件demo （7371个子文件）

proguard-android-optimize.txt-3.0.0 3KB

proguard-defaults.txt-3.0.0 3KB

proguard-android.txt-3.0.0 3KB

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resources-mockDebugAndroidTest.ap_ 522KB

debug.ir.ap_ 458KB

app-mock-debug.apk 1.57MB

dependencies.apk 936KB

slice_6.apk 67KB

slice_7.apk 58KB

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slice_1.apk 34KB

slice_4.apk 31KB

slice_3.apk 12KB

slice_2.apk 8KB

slice_8.apk 5KB

slice_9.apk 3KB

axb5mivuIqy43I+tnkDN3gt_dQw= 12KB

gradlew.bat 2KB

shrinker.bin 27.07MB

fileSnapshots.bin 6.3MB

fileHashes.bin 724KB

taskHistory.bin 88KB

com.example.android.architecture.blueprints.todoapp-com.example.android.architecture.blueprints.todoapp-setter_store.bin 39KB

com.android.databinding.library.baseAdapters-com.android.databinding.library.baseAdapters-setter_store.bin 38KB

resourceHashesCache.bin 21KB

com.example.android.architecture.blueprints.todoapp-com.example.android.architecture.blueprints.todoapp-layoutinfo.bin 19KB

com.example.android.architecture.blueprints.todoapp--br.bin 656B

com.android.databinding.library.baseAdapters-com.android.databinding.library.baseAdapters-layoutinfo.bin 295B

com.android.databinding.library.baseAdapters-com.android.databinding.library.baseAdapters-br.bin 284B

last-build.bin 1B

built.bin 0B

RecyclerView.class 84KB

FragmentManagerImpl.class 68KB

ScrollChildSwipeRefreshLayout.class 48KB

CoordinatorLayout.class 45KB

StaggeredGridLayoutManager.class 44KB

TasksActivity.class 39KB

TaskDetailActivity.class 38KB

Toolbar.class 38KB

StatisticsActivity.class 38KB

AppCompatDelegateImplV9.class 37KB

AddEditTaskActivity.class 37KB

RecyclerView$LayoutManager.class 37KB

DrawerLayout.class 34KB

R$styleable.class 34KB

R$styleable.class 33KB

R$styleable.class 32KB

NestedScrollView.class 32KB

LinearLayoutManager.class 32KB

Fragment.class 32KB

ViewDataBinding.class 29KB

MenuBuilder.class 27KB

FragmentTransition.class 26KB

LinearLayoutCompat.class 25KB

R$style.class 24KB

GridLayoutManager.class 24KB

R$styleable.class 24KB

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53.base=/Users/zhoutao/AndroidStudioProjects/android-architecture-todo-mvvm-live/todoapp/app/build/intermediates/res/mock/debug/resources-mockDebug.ap_ 66.set=ANDROID_RESOURCE 317.set=ANDROID_RESOURCE 356.base=/Users/zhoutao/AndroidStudioProjects/android-architecture-todo-mvvm-live/todoapp/app/build/intermediates/res/mock/debug/resources-mockDebug.ap_ 373.file=/Users/zhoutao/AndroidStudioProjects/android-architecture-todo-mvvm-live/todoapp/app/build/intermediates/res/mock/debug/resources-mockDebug.ap_/res/drawable-xxxhdpi-v4/abc_scrubber_control_to_pressed_mtrl_005.png 527.base=/Users/zhoutao/AndroidStudioProjects/android-architecture-todo-mvvm-live/todoapp/app/build/intermediates/res/mock/debug/resources-mockDebug.ap_ 203.file=/Users/zhoutao/AndroidStudioProjects/android-architecture-todo-mvvm-live/todoapp/app/build/intermediates/res/mock/debug/resources-mockDebug.ap_/res/drawable-xxhdpi-v4/abc_ic_menu_selectall_mtrl_alpha.png 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