Given that FMX and the Delphi IDE allow us to design views with device-specific variations, it may be challenging to keep everything under control. A very significant aid for this is provided by the Multi-Device Preview IDE tool window, located in the same tab control of Project Manager in the IDE window.
In a single spot, you can have a rendering of the current form against a number of selected devices (against the fact that you can design only one view at the time).
The following screenshot shows the Multi-Device Preview window with the example seen in the previous section:
The preceding screenshot, where the Multi-Device Preview window has been undocked from its original position, shows how the IDE is capable, in real time at design time, of previewing how the specific views will look like at runtime (the yellow-white checkmark on the upper-left corner of the first two previews is there to indicate that those are actually created views while...