i want to create Exchange Rate Checker Application with B4A IDE.
So i decide to take this API and start create
I dont know how to start and where to start .
Dim parser As JSONParser
parser.Initialize("parser")
Dim root As Map = parser.NextObject
Dim exchange_time As String = root.Get("exchange_time")
Dim exchange_data As List = root.Get("exchange_data")
For Each colexchange_data As Map In exchange_data
Dim exchange_rate_buy As String = colexchange_data.Get("exchange_rate_buy")
Dim exchange_rate_sell As String = colexchange_data.Get("exchange_rate_sell")
Dim exchange_currency As String = colexchange_data.Get("exchange_currency")
Next
Log(exchange_rate_buy)
Log(exchange_rate_sell)
Log(exchange_currency)
Log(exchange_time)
And i get this error
B4X:
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
main_activity_create (java line: 357)
java.lang.RuntimeException: JSON Object expected.
at anywheresoftware.b4a.objects.collections.JSONParser.NextObject(JSONParser.java:50)
at s.example.main._activity_create(main.java:357)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:186)
at s.example.main.afterFirstLayout(main.java:104)
at s.example.main.access$000(main.java:17)
at s.example.main$WaitForLayout.run(main.java:82)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:201)
at android.app.ActivityThread.main(ActivityThread.java:6810)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)