README.android
changeset 4973 067b6ec8b751
parent 4967 f74a3f94c408
child 4974 1cd0a891b69a
equal deleted inserted replaced
4972:0a9a77f3d552 4973:067b6ec8b751
   121 	adb push local_file remote_path_and_file
   121 	adb push local_file remote_path_and_file
   122 
   122 
   123 You can push files to the SD Card at /sdcard, for example:
   123 You can push files to the SD Card at /sdcard, for example:
   124 	adb push moose.dat /sdcard/moose.dat
   124 	adb push moose.dat /sdcard/moose.dat
   125 
   125 
       
   126 You can see the complete command line that ndk-build is using by passing V=1 on the command line:
       
   127 	ndk-build V=1
       
   128 
       
   129 If your application crashes in native code, you can use addr2line to convert the addresses in the stack trace to lines in your code.
       
   130 
       
   131 For example, if your crash looks like this:
       
   132 I/DEBUG   (   31): signal 11 (SIGSEGV), code 2 (SEGV_ACCERR), fault addr 400085d0
       
   133 I/DEBUG   (   31):  r0 00000000  r1 00001000  r2 00000003  r3 400085d4
       
   134 I/DEBUG   (   31):  r4 400085d0  r5 40008000  r6 afd41504  r7 436c6a7c
       
   135 I/DEBUG   (   31):  r8 436c6b30  r9 435c6fb0  10 435c6f9c  fp 4168d82c
       
   136 I/DEBUG   (   31):  ip 8346aff0  sp 436c6a60  lr afd1c8ff  pc afd1c902  cpsr 60000030
       
   137 I/DEBUG   (   31):          #00  pc 0001c902  /system/lib/libc.so
       
   138 I/DEBUG   (   31):          #01  pc 0001ccf6  /system/lib/libc.so
       
   139 I/DEBUG   (   31):          #02  pc 000014bc  /data/data/org.libsdl.app/lib/libmain.so
       
   140 I/DEBUG   (   31):          #03  pc 00001506  /data/data/org.libsdl.app/lib/libmain.so
       
   141 
       
   142 You can see that there's a crash in the C library being called from the main code.  I run addr2line with the debug version of my code:
       
   143 	arm-eabi-addr2line -C -f -e obj/local/armeabi/libmain.so
       
   144 and then paste in the number after "pc" in the call stack, from the line that I care about:
       
   145 000014bc
       
   146 
       
   147 I get output from addr2line showing that it's in the quit function, in testspriteminimal.c, on line 23.
       
   148 
       
   149 You can add logging to your code to help show what's happening:
       
   150 
       
   151 #include <android/log.h>
       
   152 
       
   153 	__android_log_print(ANDROID_LOG_INFO, "foo", "Something happened! x = %d", x);
       
   154 
   126 
   155 
   127 ================================================================================
   156 ================================================================================
   128  Known issues
   157  Known issues
   129 ================================================================================
   158 ================================================================================
   130 
   159