title: Start Whatsapp chat using ADB
body: <p>I'm trying to create  <code>Whatsapp</code> chat using adb.</p>
  
  <p>I know how to  open  <code>Whatsapp</code> using adb:</p>
  
  <pre><code>adb shell am start -n com.whatsapp/com.whatsapp.Main
  </code></pre>
  
  <p>But don't  know how to open chat with specific phone  number.</p>