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Android 版本更替，新的版本带来新的特性，新的方法。新的方法带来许多便利，但无法在低版本系统上运行，如果兼容性处理不恰当，APP在低版本系统上，运行时将会crash。本文以一个具体的例子说明如何在使用高API level的方法时处理好兼容性问...

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Android 版本更替，新的版本带来新的特性，新的方法。新的方法带来许多便利，但无法在低版本系统上运行，如果兼容性处理不恰当，APP在低版本系统上，运行时将会crash。本文以一个具体的例子说明如何在使用高API level的方法时处理好兼容性问题。例子：根据给出路径，获取此路径所在分区的总...

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