private void ToggleFlashButtonTapped(object sender, EventArgs e)
{
flashOn = !flashOn;
if (flashOn)
{
if (cameraType == CameraFacing.Back)
{
toggleFlashButton.SetBackgroundResource(Resource.Drawable.FlashButton);
cameraType = CameraFacing.Back;
camera.StopPreview();
camera.Release();
camera = Camera.Open((int)cameraType);
var parameters = camera.GetParameters();
parameters.FlashMode = Camera.Parameters.FlashModeTorch;
camera.SetParameters(parameters);
camera.SetPreviewTexture(surfaceTexture);
PrepareAndStartCamera();
}
}
else
{
toggleFlashButton.SetBackgroundResource(Resource.Drawable.NoFlashButton);
camera.StopPreview();
camera.Release();
camera = Camera.Open((int)cameraType);
var parameters = camera.GetParameters();
parameters.FlashMode = Camera.Parameters.FlashModeOff;
camera.SetParameters(parameters);
camera.SetPreviewTexture(surfaceTexture);
PrepareAndStartCamera();
}
}
void ToggleFlashButtonTapped(object sender, EventArgs e)
{
_flashOn = !_flashOn;
if (_flashOn)
{
if (_cameraType == CameraFacing.Back)
{
_toggleFlashButton.SetBackgroundResource(Resource.Drawable.FlashButton);
_cameraType = CameraFacing.Back;
_camera.StopPreview();
_camera.Release();
_camera = Android.Hardware.Camera.Open((int)_cameraType);
var parameters = _camera.GetParameters();
parameters.FlashMode = global::Android.Hardware.Camera.Parameters.FlashModeTorch;
_camera.SetParameters(parameters);
_camera.SetPreviewTexture(_surfaceTexture);
PrepareAndStartCamera();
}
}
else
{
_toggleFlashButton.SetBackgroundResource(Resource.Drawable.NoFlashButton);
_camera.StopPreview();
_camera.Release();
_camera = global::Android.Hardware.Camera.Open((int)_cameraType);
var parameters = _camera.GetParameters();
parameters.FlashMode = global::Android.Hardware.Camera.Parameters.FlashModeOff;
_camera.SetParameters(parameters);
_camera.SetPreviewTexture(_surfaceTexture);
PrepareAndStartCamera();
}
}
//turns on or off camera flash
void ToggleFlashButtonTapped(object sender, EventArgs e)
{
//if camera isn't started
if (!_isCameraStarted)
{
return;
}
_flashOn = !_flashOn;
if (_flashOn)
{
if (cameraType == CameraFacing.Back)
{
toggleFlashButton.SetBackgroundResource(Resource.Drawable.FlashButton);
cameraType = CameraFacing.Back;
camera.StopPreview();
camera.Release();
camera = Android.Hardware.Camera.Open((int)cameraType);
var parameters = camera.GetParameters();
parameters.FlashMode = Android.Hardware.Camera.Parameters.FlashModeTorch;
camera.SetParameters(parameters);
camera.SetPreviewTexture(surfaceTexture);
PrepareAndStartCamera();
}
}
else
{
toggleFlashButton.SetBackgroundResource(Resource.Drawable.NoFlashButton);
camera.StopPreview();
camera.Release();
camera = Android.Hardware.Camera.Open((int)cameraType);
var parameters = camera.GetParameters();
parameters.FlashMode = Android.Hardware.Camera.Parameters.FlashModeOff;
camera.SetParameters(parameters);
camera.SetPreviewTexture(surfaceTexture);
PrepareAndStartCamera();
}
}
public View BuildNativeImageButton(string text, string icon, System.Action clickAction)
{
if (string.IsNullOrWhiteSpace(text))
{
text = "(text binding not set)";
}
if (string.IsNullOrWhiteSpace(icon))
{
icon = "ic_facebook_white.png";
}
Android.Widget.Button imgButton = new Android.Widget.Button(Forms.Context)
{
Text = text
};
if (!string.IsNullOrWhiteSpace(icon))
{
int imgRes = 0;
if (icon == "ic_facebook_white.png")
{
imgRes = Resource.Drawable.ic_facebook_white;
}
if (imgRes != 0)
{
imgButton.SetCompoundDrawablesWithIntrinsicBounds(imgRes, 0, 0, 0);
}
}
imgButton.Click += (sender, e) => { clickAction(); };
imgButton.SetBackgroundResource(Resource.Drawable.bg_button_border);
var paddingInPixels = ConvertDpToPixels(10);
imgButton.SetPadding(paddingInPixels, 0, paddingInPixels, 0);
imgButton.TextAlignment = Android.Views.TextAlignment.Center;
return(imgButton.ToView());
}
/// <summary>
/// 标注点击时
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnMarkerClick(object sender, BaiduMap.MarkerClickEventArgs e)
{
try
{
if (!string.IsNullOrEmpty(e.P0.Title))
{
var pin = Map.Pins.Find(e.P0);
if (pin?.Terminal != null)
{
var color = pin?.Terminal?.RankColor ?? "#4a89dc";
//cardView
var cardView = new CardView(Context)
{
Radius = 15
};
cardView.SetCardBackgroundColor(Color.FromHex(color).ToAndroid());
//布局
var layout = new LinearLayout(Context)
{
Orientation = Orientation.Vertical
};
layout.SetPadding(10, 10, 10, 10);
//Title
var tview = new TextView(Context);
tview.SetPadding(10, 10, 10, 10);
tview.SetTextColor(Color.White.ToAndroid());
tview.TextSize = 12;
tview.Text = e.P0.Title;
//Button
var param = new LayoutParams(LayoutParams.MatchParent, LayoutParams.MatchParent)
{
Height = 45
};
var button = new Android.Widget.Button(Context);
button.Text = "去拜访";
button.TextSize = 10;
button.LayoutParameters = param;
button.SetBackgroundResource(Resource.Drawable.roundShape);
button.SetTextColor(Color.White.ToAndroid());
button.Click += (sender, ar) =>
{
var pin = Map.Pins.Find(e.P0);
pin?.SendClicked(pin?.Terminal);
};
layout.AddView(tview);
layout.AddView(button);
cardView.AddView(layout);
var window = new InfoWindow(cardView, e.P0.Position, -e.P0.Icon.Bitmap.Height);
NativeMap.Map.ShowInfoWindow(window);
}
}
}
catch (Exception)
{
}
}