安装apk报错

03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: android.os.RemoteException: class name is null 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: at android.content.ComponentName.(ComponentName.java:100) 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: at com.morgoo.droidplugin.pm.parser.PluginPackageParser.(PluginPackageParser.java:213) 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: at com.morgoo.droidplugin.pm.IPluginManagerImpl.installPackage(IPluginManagerImpl.java:881) 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: at com.morgoo.droidplugin.pm.PluginManager.installPackage(PluginManager.java:855) 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: at com.example.TestPlugin.ApkFragment.doInstall(ApkFragment.java:287) 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: at com.example.TestPlugin.ApkFragment.access$100(ApkFragment.java:34) 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: at com.example.TestPlugin.ApkFragment$5.run(ApkFragment.java:258) 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: Caused by: java.lang.NullPointerException: class name is null 03-01 14:25:09.943 22720-22892/com.example.TestPlugin W/System.err: ... 7 more