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静态内部类单例模式 public class Sigleton{ private Sigleton(){} public static final Sigleton getInstance(){ return SigletonHolder.INSTANCE; } private static cla 阅读全文
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源码中的实现为: public interface IInterface{ /** * Retrieve the Binder object associated with this interface. * You must use this instead of a plain cast, so 阅读全文
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Executing tasks: [:app:generateDebugSources] Configuration on demand is an incubating feature.:app:preBuild UP-TO-DATE:app:preDebugBuild UP-TO-DATEaid 阅读全文