Random String from array.

zaid · by **zaid** » Tue Apr 27, 2010 8:58 am

i am trying to create a button that when clicked on will choose a random string from a defined array and display that string.

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Using java Syntax Highlighting

    String[] myString; 
 
    Resources res = null;
 
        myString = res.getStringArray(R.array.myArray); 
 
    String q = myString[rgenerator.nextInt(myString.length)];
 
TextViewstringhere.setText(q)
Parsed in 0.031 seconds,  using GeSHi 1.0.8.4

this is my array.xml

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Using xml Syntax Highlighting

 
<?xml version="1.0" encoding="utf-8"?>
 
<resources>
 
<string-array name="myArray"> 
 
    <item>string 1</item> 
 
    <item>string 2</item> 
 
    <item>string 3</item> 
 
    <item>string 4</item> 
 
    <item>string 5</item>
 
</string-array> 
 
</resources>
Parsed in 0.002 seconds,  using GeSHi 1.0.8.4

this however cause my application to crash in the emulator and force close.

stealthcopter · by **stealthcopter** » Tue Apr 27, 2010 10:29 am

Look at your code, you are setting resources to null, and them attempting to get a string from it.

I have already answered this question on stackoverflow here and added the example code nessecary for you to understand it.

Random String from array.

Random String from array.

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