该链接程序不在被装配在手机上 Launcher does not have the permission to launch Intent

该链接程序不在被安装在手机上 Launcher does not have the permission to launch Intent

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错误：Launcher does not have the permission to launch Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.small.test/.SmalltestAndroidActivity }. Make sure to create a MAIN intent-filter for the corresponding activity or use the exported attribute for this activity.

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此错误的原因：在AndroidMainfest.xml中将一个SmalltestAndroidActivity定义了2遍导致的。