You can simply use an app like Earpiece. It does what you want to do. You can pop Earpiece up on top of another application simply by holding down the SEARCH key. then check Audio through earpiece
On a side note, USE AT YOUR OWN RISK. Playing audio at high volumes, especially for a prolonged amount of time, can damage speakers and/or hearing.
It's probably doable, but I very much doubt that you can do this with the default (unmodified) factory firmware. Custom firmwares such as CyanogenMod may allow you to do this. Your mileage may vary and you may even need to modify or recompile these custom firmwares to get what you want.
Try Settings->Developer Options->Show touchscreen touches. Unfortunately, HTC likes to move these settings around between versions so I don't know if it will work for you.
Replacing the digitizer is possible on many HTCs, I did it on my EVO 3D. But that's probably what has failed. Condensation will confuse it and make it stop functioning .
Your digitizer probably failed. That is the glass piece you touch with your finger. On some models it can be replaced, although not something for the faint of heart. I have had to do this for my EVO 3D.
I know this is old, but I was having this problem with my LG G2 and finally figured out how to get rid of it. Hoping this saves someone else the frustration!
Go into Settings and under the System heading there is an option for Accessory. When you open that, uncheck the "car Home" option that says "automatically start car home when the phone is mounted on ...
This question came up in Google search for a generic Android/Chrome local storage removal/reset question so here's an answer for how it is done in..
With browser open tap 3 dots 'menu icon' (top right)
tap 'site settings'
to clear individual site storage
tap 'search icon' find the domain you want cleared
tap on ...
I think USB Audio support was initially built into Android 4.0 ICS but there may be earlier implementations and not every hardware that supports USB OTG and runs ICS+ supports USB Audio.
The capability of an Android device to handle USB audio mainly depends on the Kernel running on your System and your hardware being able to handle USB devices (USB host). ...