@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_CALL:
{
if (mCursor != null && mCursor.moveToPosition(getSelectedItemPosition())) {
String phoneNumber = mCursor.getString(NUMBER_COLUMN);
if (phoneNumber == null || !TextUtils.isGraphic(phoneNumber)) {
// There is no number entered.
// TODO play error sound or something...
return true;
}
Intent intent =
new Intent(
Intent.ACTION_CALL_PRIVILEGED,
Uri.fromParts(Constants.SCHEME_TEL, phoneNumber, null));
intent.setFlags(
Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
startActivity(intent);
finish();
return true;
}
}
}
return super.onKeyDown(keyCode, event);
}
/**
* Method that check if a character is valid printable character
*
* @param c The character to check
* @return boolean If the character is printable
* @hide
*/
static boolean isPrintableCharacter(char c) {
int cc = VALID_NON_PRINTABLE_CHARS.length;
for (int i = 0; i < cc; i++) {
if (c == VALID_NON_PRINTABLE_CHARS[i]) {
return true;
}
}
return TextUtils.isGraphic(c);
}