android错误:Installation error: INSTALL_FAILED_VERSION_DOWNGRADE

          Installation error: INSTALL_FAILED_VERSION_DOWNGRADE,安装过一个开发的APP之后,需要把应用程序的安装包中的包文件目录修改一下,然后就出现了这个问题了,以前也出现过没有太注意,仔细查了一下资料,按其字面意思就是安装版本太低了。所以就想到了android:versionCode="1"    android:versionName="1.0" 这两个属性   

            在网上对这两个属性的解读为:android:versionCode为整数值。android:versionName为字符串类型。所以只要提高版本号就好了,我这里将VersionCode的值提高一,android:versionCode="2"

时间: 2024-12-10 05:56:22

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