Any person can give some examples or resources about how to use IDA Pro debug Android Application?
(Although IDA lets you reverse
.class files, there are tools that convert the Java byte code back to source code and are preferred for this)
It's pretty common nowadays to compile libraries and use NDK to develop a part of your app in C/C++.
Those parts will be compiled to an
.so files, which can be invoked using the java code.
You can reverse those files, they should even contain some symbols in a form of
package_classname_method to know who can invoke them.
Other than that, I don't think ida can offer something to reverse android apps.
The point is - Ida is not a general app reversing tool, it has a specific use.
That being said, here are examples: