String Array only returns one string in android

Question

I'm trying to display a string inside a textView object. currently I'm only getting the first string in the string array.

   public void onClick(View v) {
        Resources res = getResources();
        String[] hintsStr = res.getStringArray(R.array.hints);
        TextView hintShow = (TextView)findViewById(R.id.hintShow);
        int rndInd = (int) Math.random()*5;
        //hintShow.setText(rndInd);
        hintShow.setText(hintsStr[rndInd]);
        //System.out.print(rndInd);
    }

ssantos · Accepted Answer · 2013-10-10 08:14:23Z

2

Try this to generate your random numbers.-

Random rand = new Random();
int rndInd = rand.nextInt(5); // Will get a rand number between 0 and 4

Also, you should instantiate rand object just once, as an instance variable outside onClick method.

answered Oct 10, 2013 at 8:14

ssantos

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Campig · Accepted Answer · 2013-10-10 08:17:36Z

1

You are casting the result of Math.rand() to int so the result is always 0, you can do int rndInd = (int)(Math.random()*5); or even better use the solution that ssantos suggested

answered Oct 10, 2013 at 8:17

Campig

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Comments

Pratik Dasa · Accepted Answer · 2013-10-10 09:05:28Z

0

First initialize Random Class and then get value,see below code

Randon random=new Random();
int value = random.nextInt(10);

It will work for sure.

answered Oct 10, 2013 at 9:05

Pratik Dasa

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