Android SDK NDK Development Summary

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Step-by-step debugging method for the implementation of JNI (c/C + +) in Android Studio-standard configuration tutorial

NDK Debug Method

Image processing Code Optimization: Example

single-step debugging and log printing for JNI programs in Android studio

JNI/NDK Development Guide (10)--jni Local references, global references, and weak global references

NDK Features:

1. Davek virtual machine Set upper limit on application memory request, exceeding memory overflow, native method memory free malloc

2. Android Local reference table

Common errors in NDK:

1. Null pointer:

2. (char*) malloc (len+1), when the memory size is requested, the last byte is 0, which indicates the end of the string.

3. Dynamic memory application should be free in time.

4. String catenate, cross-stitching of strings, msg = strcat (msg, "new string"), MSG memory is large enough to accommodate itself and the length of the append.

Android SDK NDK Development Summary