Show Array in Text View

Question

I want to fill my array with random numbers, but I can't show in the TextViewer my array casual[] - help me!

LanciaB.setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {

        int result = np2.getValue();
        int result2 = np.getValue();
        result = result == 0 ? 10 : result;

        int casual[] = new int[10];
        for(int i=0; i < result2; i++){
            casual[i] = (int) (Math.random()*10);
        }

        tv.setText(casual.toString());

        }
    });

PermGenError · Accepted Answer · 2013-04-08 14:30:23Z

4

Use overloaded Arrays#toString(int[]) of Arrays which takes array as an argument.

 Arrays.toString(casual)

answered Apr 8, 2013 at 14:30

PermGenError

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1 Comment

MrGun Over a year ago

Thx! I used your advice but the string that is printed is not only numbers but also characters and letters ... is a printing problem or is the wrong way fill the array of random numbers?

Aleks G · Accepted Answer · 2013-04-08 14:32:48Z

1

You need to join the elements of the array. In Android you can do something like this:

tv.setText(TextUtils.join(",", casual));

answered Apr 8, 2013 at 14:32

Aleks G

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Comments

MrGun · Accepted Answer · 2013-04-09 12:10:08Z

0

I used your advice but the string that is printed is not only numbers but also characters and letters ... is a printing problem (string encoding) or is the wrong way fill the array of random numbers?

answered Apr 9, 2013 at 12:10

MrGun

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