dynamic-loading

dynamic listview adding “Load more items” at the end of scroll

by

you try the following code list.setOnScrollListener(new OnScrollListener() { public void onScrollStateChanged(AbsListView view, int scrollState) { } public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { if(firstVisibleItem+visibleItemCount == totalItemCount && totalItemCount!=0) { if(flag_loading == false) { flag_loading = true; additems(); } } } }); in the additem() add the next 10 items to array … Read more

Difference between System.load() and System.loadLibrary in Java

by

The difference is there in the API documentation. System.loadLibrary(String libname) lets you load from the default path — The Java library path. The other System.load(String filename) lets you load it from an absolute path, which you must specify as your filename. If you don’t want to mess with you java.library.path environment variable, you should use … Read more

What exactly does `-rdynamic` do and when exactly is it needed?

by

Here is a simple example project to illustrate the use of -rdynamic. bar.c extern void foo(void); void bar(void) { foo(); } main.c #include <dlfcn.h> #include <stdio.h> #include <stdlib.h> void foo(void) { puts(“Hello world”); } int main(void) { void * dlh = dlopen(“./libbar.so”, RTLD_NOW); if (!dlh) { fprintf(stderr, “%s\n”, dlerror()); exit(EXIT_FAILURE); } void (*bar)(void) = dlsym(dlh,”bar”); … Read more

tech