【代码】Androidの代码片段

UI

• SightFragment: Fragment 用户初见处理。
  • 常见于 ViewPager 预加载前后页面，但希望页面等用户可见时才加载内容。
• TokenActivity: Activity 恰当弹窗时机。
• TransparentStatusBarActivity: 全透明状态栏。

状态

• AppLifecycle: Application 前后台及 Activity 生命期处理。

工具

追踪

• Log: 日志打印。可添加通道，输出到文件。
• CrashHandler: 崩溃处理。将会记录奔溃日志到文件。

系统

• Helper for accessing os properties: 系统属性访问：SystemProperties、build.prop。
• Helper for 3rd party roms: 第三方 ROM 兼容：Flyme、MIUI。

硬件

• The bluetooth listener and profile proxy: 蓝牙开关、监听，以及操作系统蓝牙配置。

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Tips

• View id should be unique in the hierarchy. Otherwise, save and restore state may occur exception.

  • Reference:
    • View保存状态的过程分析
    • 重用LAYOUT导致的状态保存问题

• android.app.Fragment should not use TranslateAnimation to set relative translation.

  • Solution: android.app.Fragment should use Animator, however android.support.v4.app.Fragment should use Animation.
  • Reference:
    • Fragments translate animation
    • Android Activity和Fragment的转场动画

• Set GATT characteristic notification properly.

  • Solution: Must set the client configuration descriptor.
  • Reference:
    • Receiving GATT Notifications
    • Android BLE API: GATT Notification not received
    • Descriptors of GATT Specifications

Bugs

• Android Issues

• android animation is not finished in onAnimationEnd

• LocationListener of NETWORK_PROVIDER is enabled, but onLocationChanged is never called

来源：oschina

链接：https://my.oschina.net/u/438371/blog/600659