public void StartTouchToFocus(FocusRect rect, FocusRect meteringarea, int width, int height) {
if (parametersHandler == null
|| cameraUiWrapper == null
|| cameraHolder == null
|| parametersHandler.FocusMode == null) return;
String focusmode = parametersHandler.FocusMode.GetValue();
if (focusmode.equals("auto") || focusmode.equals("macro")) {
try {
if (parametersHandler.ExposureLock != null
&& parametersHandler.ExposureLock.IsSupported()) {
if (parametersHandler.ExposureLock.GetValue().equals("true")) {
parametersHandler.ExposureLock.SetValue("false", true);
parametersHandler.ExposureLock.BackgroundValueHasChanged("false");
}
}
} catch (Exception ex) {
}
final FocusRect targetFocusRect = getFocusRect(rect, width, height);
if (targetFocusRect.left >= -1000
&& targetFocusRect.top >= -1000
&& targetFocusRect.bottom <= 1000
&& targetFocusRect.right <= 1000) {
parametersHandler.SetFocusAREA(targetFocusRect, meteringarea);
if (cameraHolder != null) cameraHolder.StartFocus(this);
isFocusing = true;
if (focusEvent != null) focusEvent.FocusStarted(rect);
}
}
}
@Override
public void SetMeteringAreas(FocusRect meteringRect, int width, int height) {
if (DeviceUtils.isZTEADV()) {
final FocusRect targetFocusRect = getFocusRect(meteringRect, width, height);
parametersHandler.SetMeterAREA(targetFocusRect);
} else {
final FocusRect targetFocusRect = getFocusRect(meteringRect, width, height);
cameraHolder.SetMeteringAreas(targetFocusRect);
}
}