ndk-stack ndk-stack is a simple tool that allows you to filter stack traces, trace the crash code quickly

Tools Android-apktools is a tools reverse engineering 3rd party, closed, binary Android apps.

waiting for long time, buy the Macbook Pro 13-inch. Although without Retina Display.

adb shell dumpsys adb shell dumpsys is a command that dumps interesting system state to the log.

What’s SystemProperies? SystemProperties is gives access to the system properties store.

Codec(code + decode) Because of the video file is very big, so need code(compress) the file to it smaller.

JNINativeMethod struct typedef struct { const char* name; const char* signature; void* fnPtr; } JNINativeMethod; name: java function name signature: use a string description function’s parameter and return type fnPtr: a function pointer point to native function, it’s first add (void *)