安卓使用YOLOv5_NCNN官方代码，执行ChineseOCRLite会崩溃

[yingxiang]

执行安卓的时候会报错，请问有啥遇到吗，该如何解决呢

[yingxiang]

具体执行到这句代码崩溃了angle_net->load_param(mgr, "ocr/angle_op.param");，看起来像是模型问题，但是ios没问题啊

[cmdbug]

检查一下是不是ncnn版本问题，使用一下旧版本试试，比如几个月前，或半年前的版本。

[fengwang]

@cmdbug

从 debug log 来看， 似乎是 param 文件版本太老的问题：

07/18 16:36:20: Launching 'app' on HUAWEI EVR-N29.
App restart successful without requiring a re-install.
$ adb shell am start -n "com.wzt.yolov5/com.wzt.yolov5.WelcomeActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER

......

D/vulkan: searching for layers in '/data/app/com.wzt.yolov5-SNNOvFjjAil5PvNK699J2A==/lib/arm64'
D/vulkan: searching for layers in '/data/app/com.wzt.yolov5-SNNOvFjjAil5PvNK699J2A==/base.apk!/lib/arm64-v8a'
I/iGraphics: [0030050c] PV 11
E/iGraphics: can not load local debug xml
D/vulkan: added global layer 'VK_LAYER_HUAWEI_iGraphics' from library '/system/lib64/libiGraphicsCore.huawei.so'
W/com.wzt.yolov5: type=1400 audit(0.0:1902294): avc: denied { map } for pid=2593 path="/dev/__properties__/u:object_r:huawei_perf_persist_public_read_prop:s0" dev="tmpfs" ino=10025 scontext=u:r:untrusted_app:s0:c229,c257,c512,c768 tcontext=u:object_r:huawei_perf_persist_public_read_prop:s0 tclass=file permissive=0
I/vulkan: Loaded layer VK_LAYER_HUAWEI_iGraphics
E/iGraphics: pfnCreateDebugReportCallback is nullptr
I/iGraphics: layers 0 VK_LAYER_HUAWEI_iGraphics
I/iGraphics: extensions 0 VK_KHR_external_memory_capabilities
I/iGraphics: extensions 1 VK_KHR_get_physical_device_properties2
I/iGraphics: extensions 2 VK_KHR_get_surface_capabilities2
I/iGraphics: extensions 3 VK_KHR_surface
W/ncnn: [0 Mali-G76]  queueC=0[2]  queueG=0[2]  queueT=0[2]
W/ncnn: [0 Mali-G76]  bugsbn1=0  bugbilz=0  bugcopc=0  bugihfa=0
W/ncnn: [0 Mali-G76]  fp16-p/s/a=1/1/1  int8-p/s/a=1/1/1
W/ncnn: [0 Mali-G76]  subgroup=8  basic=1  vote=0  ballot=0  shuffle=0
W/ncnn: param is too old, please regenerate!
W/ncnn: layer load_param 106 611 failed
A/libc: Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x30 in tid 2593 (com.wzt.yolov5), pid 2593 (com.wzt.yolov5)