Remove decimals from JSON string

Question

I am making an app that gets weather info from the web.

I am getting the whole JSONObject at once, instead of piece by piece. As a result of that, I can't call .getDouble for temperature, I call getString.

This returns a String, which I can't use the Math.round method on. I tried the .split(".") and it returns an array out of bounds exception, when I try to instert the sting into a text view.

If I call .toString() it gives me "[Ljava.lang.String;@7353879" in the textview.

that's not a string, that's a string[]. post your json, and show the code you tried to use to split it and to parse it. — njzk2, Oct 03 '16 at 19:02
I can't call getDouble, because it doesn't let me, it says resource not found. — lakimens, Oct 03 '16 at 19:07
temp = mHourTest.getHour1().getString("temperature"); nodecimals = temp.split("."); mHourlyTemp.setText(nodecimals[0]); — lakimens, Oct 03 '16 at 19:07
That's my .split() code, and it crashes with an arrayoutofbounds exception, when I add .toString() it returns [Ljava.lang.String;@7353879 — lakimens, Oct 03 '16 at 19:07

score 1 · Accepted Answer · edited Jun 20 '20 at 09:12

1

I did not understand exactly what you mean , If you intend to convert json data to double or float you can use :

Double.parseDouble(jsonObj.getString("x"));

or

Float.praseFloat(jsonObj.getString("x"));

like this :

float x = Float.praseFloat(jsonObj.getString("x"));

Update My Answer

for getting ride of decimal .... you can do this :

int x = ( (int) Double.parseDouble(objJson.getString("x")) );

String result = x + "" ;

edited Jun 20 '20 at 09:12

Community

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answered Oct 03 '16 at 19:29

Nickan

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I need to remove decimals from a String. The JSONObject is where I get the string. – lakimens Oct 03 '16 at 19:37
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Why dont you convert that double to int value , this should help you – Nickan Oct 03 '16 at 19:47
I update my answer , i hope that work for you , please let me know if it works. – Nickan Oct 03 '16 at 19:56
Works. Thank you very much! – lakimens Oct 04 '16 at 16:13
I am happy that I could help you – Nickan Oct 04 '16 at 16:19

score 0 · Answer 2 · answered Oct 03 '16 at 19:21

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in order to get the text from the text field, you need to use the .getText() method, and then use .toString()

answered Oct 03 '16 at 19:21

Carter Brainerd

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I don't understand what you're referring to. – lakimens Oct 03 '16 at 19:29
to your last point in your question. if you use .getText(), it returns a string. – Carter Brainerd Oct 03 '16 at 19:30
I am not getting the text from a textview or an edittext, I am getting it from a JSONObject. – lakimens Oct 03 '16 at 19:37

Remove decimals from JSON string

2 Answers2