/// <summary>
/// Set screen density for ImageUtils. According density parameters
/// are all images resized for message list.
/// </summary>
/// <param name="density"></param>
public void SetScreenDensity(DisplayMetricsDensity density)
{
switch (density)
{
case DisplayMetricsDensity.Low:
_previewWidth = SCALED_MESSAGE_PREVIEW_IMAGE_WIDTH_LDPI;
_previewHeight = SCALED_MESSAGE_PREVIEW_IMAGE_HEIGHT_LDPI;
break;
case DisplayMetricsDensity.Medium:
_previewWidth = SCALED_MESSAGE_PREVIEW_IMAGE_WIDTH_MDPI;
_previewHeight = SCALED_MESSAGE_PREVIEW_IMAGE_HEIGHT_MDPI;
break;
case DisplayMetricsDensity.High:
_previewWidth = SCALED_MESSAGE_PREVIEW_IMAGE_WIDTH_HDPI;
_previewHeight = SCALED_MESSAGE_PREVIEW_IMAGE_HEIGHT_HDPI;
break;
case DisplayMetricsDensity.Xhigh:
_previewWidth = SCALED_MESSAGE_PREVIEW_IMAGE_WIDTH_XHDPI;
_previewHeight = SCALED_MESSAGE_PREVIEW_IMAGE_HEIGHT_XHDPI;
break;
default:
_previewWidth = SCALED_MESSAGE_PREVIEW_IMAGE_WIDTH_MDPI;
_previewHeight = SCALED_MESSAGE_PREVIEW_IMAGE_HEIGHT_MDPI;
break;
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(savedInstanceState);
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
App app = new App();
DisplayMetrics dm = new DisplayMetrics();
WindowManager.DefaultDisplay.GetMetrics(dm);
int _width = dm.WidthPixels; //分辨率宽度
int _height = dm.HeightPixels; //分辨率高度
float _density = dm.Density; ////屏幕密度（像素比例0.75、1.0、1.5、2.0）
DisplayMetricsDensity _densityDPI = dm.DensityDpi; //屏幕密度（每寸像素120、160、240、320）
_width = WindowManager.DefaultDisplay.Width;
_height = WindowManager.DefaultDisplay.Height;
App.WidthPixels = _width;
App.HeightPixels = _height;
App.DPI = Convert.ToInt32(_densityDPI);
App.Density = _density;
LoadApplication(app);
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e) {
base.OnElementPropertyChanged(sender, e);
activity = Context as Activity;
dpi = Resources.DisplayMetrics.DensityDpi;
if (e.PropertyName == "Title") {
activity.ActionBar.Title = Element.Title;
activity.ActionBar.SetDisplayHomeAsUpEnabled(false);
SetupTabs(activity.ActionBar);
}
}
//readonly DateTime Jan1st1970 = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
//long CurrentTimeMillis()
//{
// return (long)(DateTime.UtcNow - Jan1st1970).TotalMilliseconds;
//}
public ScreenRecorder()
{
mainActivity = (Forms.Context as Activity);
//服务第一次创建进行初始化
mediaProjectionManager = (MediaProjectionManager)Forms.Context.GetSystemService(Context.MediaProjectionService);
mediaRecorder = new MediaRecorder();
DisplayMetrics metrics = new DisplayMetrics();
mainActivity.WindowManager.DefaultDisplay.GetMetrics(metrics);
screenDensity = metrics.DensityDpi;
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
activity = Context as Activity;
dpi = Resources.DisplayMetrics.DensityDpi;
if (e.PropertyName == "Title")
{
activity.ActionBar.Title = Element.Title;
activity.ActionBar.SetDisplayHomeAsUpEnabled(false);
SetupTabs(activity.ActionBar);
}
}
private static extern void RenderPage(IntPtr env, IntPtr thiz, IntPtr pagePtr, Surface surface, DisplayMetricsDensity dpi,
int startX, int startY,
int drawSizeHor, int drawSizeVer,
bool renderAnnot);
private static extern int GetPageHeightPixel(IntPtr env, IntPtr thiz, IntPtr pagePtr, DisplayMetricsDensity dpi);
public PdfiumCore(Context ctx)
{
mCurrentDpi = ctx.Resources.DisplayMetrics.DensityDpi;
}
