use getIntent from luajit-launcher

platform/android/llapp_main.lua

@@ -10,25 +10,7 @@ ffi.cdef[[
 ]]
 
 -- check uri of the intent that starts this application
-local file = A.jni:context(A.app.activity.vm, function(JNI)
-    local uri = JNI:callObjectMethod(
-        JNI:callObjectMethod(
-            A.app.activity.clazz,
-            "getIntent",
-            "()Landroid/content/Intent;"
-        ),
-        "getData",
-        "()Landroid/net/Uri;"
-    )
-    if uri ~= nil then
-        local path = JNI:callObjectMethod(
-            uri,
-            "getPath",
-            "()Ljava/lang/String;"
-        )
-        return JNI:to_string(path)
-    end
-end)
+local file = A.getIntent()
 
 if file ~= nil then
     A.LOGI("intent file path " .. file)