title: How react native Text and Image responsive? smaller text and image in small device, bigger text and image in large device
body: <p>How react native Text and Image responsive?</p>
  
  <p>I only know the Flexbox can make layout responsive but seems can not apply in text and image.</p>
  
  <p>e.g.Make my text and image smaller in iphone 4s, bigger in iphone 6</p>
  
  <p>Thanks.</p>