<p class="EditText" text="2^4" resource-id="formula" ></p>
<p class="TextView" text="16" resource-id="result_preview" ></p>
<p class="ImageView" resource-id="drag_handle_view" ></p>
<p class="ImageButton" content-desc="squared" resource-id="op_sqr" ></p>
<p class="ImageButton" content-desc="pi" resource-id="const_pi" ></p>
<p class="ImageButton" content-desc="power" resource-id="op_pow" ></p>
<p class="ImageButton" content-desc="factorial" resource-id="op_fact" ></p>
Formula Input Field with text "2^4" is shown
Result Preview Text with text "16" is visible
Drag Handle View is shown
Squared ImageButton is visible
Pi ImageButton is displayed
Power ImageButton is displayed
Factorial ImageButton is seen