src/android/src/com/wonhada/EnterpriseExample/GetSDCardPathFunction.java
/**
	 * This method is called when the Lua function is called.
	 * <p>
	 * Warning! This method is not called on the main UI thread.
	 * @param luaState Reference to the Lua state.
	 *                 Needed to retrieve the Lua function's parameters and to return values back to Lua.
	 * @return Returns the number of values to be returned by the Lua function.
	 */
This method is called when the Lua function is called.

Warning. This method is not called on the main UI thread.
@param luaState Reference to the Lua state.
Needed to retrieve the Lua function's parameters and to return values back to Lua.
@return Returns the number of values to be returned by the Lua function.
This method is called when the Lua function is called . Warning . This method is not called on the main UI thread . @param luaState Reference to the Lua state . Needed to retrieve the Lua function ' s parameters and to return values back to Lua . @return Returns the number of values to be returned by the Lua function .
@Override
	public int invoke(com.naef.jnlua.LuaState luaState) {
		luaState.pushString(Environment.getExternalStorageDirectory().getAbsolutePath());
		return 1;
	}
@ Override public int invoke ( com . naef . jnlua . LuaState luaState ) { luaState . pushString ( Environment . getExternalStorageDirectory ( ) . getAbsolutePath ( ) ) ; return 1 ; }
This method is called when the Lua function is called.
This method is called when the Lua function is called .
// Return 1 to indicate that this Lua function returns 1 value.