I tried to load a native library from an existing Android application
and failed at calling the native function. Do any of you have any
advice?
1. I added the following code to android application
Lunarlander.java
//native method declaration
native void hello(String name);
static {
System.out.println("libhello.so loaded");
System.load("/data/app/libhello.so");
}
I added my libhellp.so to lunalander.apk and then uploaded the apk to /
data/app. The application launches ok.
2. I added the following code to android application
Lunarlander.java
//native method declaration
native void hello(String name);
static {
System.out.println("libhello.so loaded");
System.load("/data/app/libhello.so");
}
…
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
…
//test loading hello lib and call hello function
LunarLander myLunarLander = new LunarLander();
myLunarLander.hello("Hi there!");
…
}
I added my libhellp.so to lunalander.apk and then uploaded the apk to /
data/app. The application launches was forced to close and the error
message is “The application Lunar lander has stopped unexpectedly.
Please try again”.
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