Please try the following methods: \x0d\ 1. Add the attribute in the root node of the application manifest.xml file: android: Shared Userid = "Android. uid。 System "\ x0d \ 2. Use an existing signature to propagate \ x0d \ 3 of an Android application. Open APK with compression software. Enter the META-INF directory and delete the three signature files \x0d\4 of the application. Go to the android system directory build/target/product/security/ and copy the system signature files: platform.x509.pem and platform.pk8 to the application apk. \x0d\5。 Use the signature tool signapk.jar to modify the application signature: the command is: Java-jar signapk.jar platform.x509.pemplatform.pk8test.apktestnew.apk.