title: How to achieve custom dialog at the bottom of the screen in Android
body: <p>Which component do I choose to achieve custom dialog at the bottom as shown in the below image? Shall I choose <code>alertdialog</code>,<code>popupwindow</code>, or <code>fragmentdialog</code>?</p>
  
  <p><a href="https://i.stack.imgur.com/gNL1U.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/gNL1U.jpg" alt="dialogAtBottom"></a></p>