Unable to instantiate appComponentFactory
java.lang.ClassNotFoundException: Didn't find class "android.support.v4.app.CoreComponentFactory" on path: DexPathList[[zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/data/app/com.mozi.robot-A4pYuce1Ys4CT
假设我们处于汽车租赁应用程序的世界:)Car type Price category
------------------------------每一种车型都有自己的价格计算策略,例如租用一辆Sport汽车成本(High x time_rented) + High_constant_factor。它封装了计算价格所需的知识,其职责如下:确定要使用的常数因子,从回购获得适当的价格,最后应用正确的计算公式计算总