lemonzll:https://blog.csdn.net/qyvlik/article/details/73195506?locationNum=8&fps=1 你看下这个,看是不是这个问题
(2018-05-04 11:17) 
是这个原因,已经解决
但是现在不能真机调试了,真奇怪了(以前一直可以的)
W libEGL : [ANDROID_RECORDABLE] format: 1
W linker : /data/data/org.qtproject.example/qt-reserved-files/plugins/qmltooling/libqmldbg_server.so: unsupported flags DT_FLAGS_1=0x81
W linker : /data/data/org.qtproject.example/qt-reserved-files/plugins/qmltooling/libqmldbg_debugger.so: unsupported flags DT_FLAGS_1=0x81
W linker : /data/data/org.qtproject.example/qt-reserved-files/plugins/qmltooling/libqmldbg_inspector.so: unsupported flags DT_FLAGS_1=0x81
W linker : /data/data/org.qtproject.example/qt-reserved-files/plugins/qmltooling/libqmldbg_messages.so: unsupported flags DT_FLAGS_1=0x81
W linker : /data/data/org.qtproject.example/qt-reserved-files/plugins/qmltooling/libqmldbg_tcp.so: unsupported flags DT_FLAGS_1=0x81
W gstLog : QML Debugger: Unable to listen to port 63958