title: Button to show previous string
body: <p>I am developing a quotes app that has next/previous, and copy buttons.</p>
  
  <p>this is the code : </p>
  
  <pre><code>    Button btn1;
       String countires[];
       int i=0;
          /** Called when the activity is first created. */
       @Override
        public void onCreate(Bundle savedInstanceState)
       {
       super.onCreate(savedInstanceState);
           setContentView(R.layout.prob2);
  
  btn1 = (Button) findViewById(R.id.prob2_btn1);
  
  countires = getResources().getStringArray(R.array.country);
  
  for (String string : countires)
  {
      Log.i("--: VALUE :--","string = "+string);
  }
  
  btn1.setOnClickListener(new OnClickListener()
  {
      @Override
      public void onClick(View arg0)
      {
          // TODO Auto-generated method stub
          String  country  = countires[i];
          btn1.setText(country);
          i++;
          if(i==countires.length)
              i=0;
      }
  });
  }
  </code></pre>
  
  <p>I need the onClick code for "previous" button to show previous string in textView ???</p>