A horizontal progress bar is easy to see and doesn't take up a lot of vertical space, so more information such as instructions, estimated completion time, and what the machine is actually doing can fit cleanly above or below the bar. The human eye tends to look from left-to-right, top-to-bottom.
How to make vertical progress bar in android?
To implement custom vertical ProgressBar, create file /res/drawable/verticalprogressbar. xml to define our progressDrawable. Modify layout to include ProgressBar with android:progressDrawable="@drawable/verticalprogressbar". Modify MainActivity.
What is progress horizontal?
Horizontal progress is taking things that already work somewhere else and introducing them to a new market or making them a little bit better in an existing market. Horizontal progress is easy to imagine because we already know what it looks like. Vertical progress means solving a problem in a whole new way.