You may follow the Wheel View library in github: Use it like this: <it.sephiroth.android.wheel.view.Wheel android:id=”@+id/wheel” xmlns:sephiroth=”http://schemas.android.com/apk/res-auto” android:layout_width=”match_parent” android:layout_height=”match_parent” sephiroth:numRotations=”6″ sephiroth:ticks=”28″ /> and it looks like this:
To capture the backspace,its actually the delete key in android. you can capture it via editText.setOnKeyListener(new OnKeyListener() { @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if(keyCode == KeyEvent.KEYCODE_DEL){ //delete key pressed } return false; } }); To hide the keyboard try this InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE); inputMethodManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), 0);