/**
* Gets resolution on old devices.
* Tries the reflection to get the real resolution first.
* Fall back to getDisplayMetrics if the above method failed.
*/
private static Dictionary <int, int> GetRealResolutionOnOldDevice(Context ctx)
{
var dic = new Dictionary <int, int>();
IWindowManager wm = ctx.GetSystemService(Context.WindowService).JavaCast <IWindowManager>();
//IWindowManager wm = (IWindowManager)ctx.GetSystemService(Context.WindowService);
try
{
Display display = wm.DefaultDisplay;
var javaObj = (Java.Lang.Object)display;
var javaClass = javaObj.Class;
Java.Lang.Reflect.Method mGetRawWidth = javaClass.GetDeclaredMethod("Width", new Java.Lang.Class[] { Java.Lang.Boolean.Type });
Java.Lang.Reflect.Method mGetRawHeight = javaClass.GetDeclaredMethod("Height", new Java.Lang.Class[] { Java.Lang.Boolean.Type });
mGetRawWidth.Accessible = true;
mGetRawHeight.Accessible = true;
int realWidth = (int)mGetRawWidth.Invoke(display, new Java.Lang.Object[] { true });
int realHeight = (int)mGetRawHeight.Invoke(display, new Java.Lang.Object[] { true });
dic.Add(realWidth, realHeight);
//Method mGetRawWidth = Display. .class.getMethod("getRawWidth");
//Method mGetRawHeight = Display.class.getMethod("getRawHeight");
//Integer realWidth = (Integer)mGetRawWidth.invoke(display);
//Integer realHeight = (Integer)mGetRawHeight.invoke(display);
// return new Pair<>(realWidth, realHeight);
}
catch (Java.Lang.Exception e)
{
DisplayMetrics dm = new DisplayMetrics();
wm.DefaultDisplay.GetMetrics(dm);
dic.Add(dm.WidthPixels, dm.HeightPixels);
}
return(dic);
}
public void UnpairDevice(BluetoothDevice device)
{
Java.Lang.Reflect.Method mi = Device.Class.GetMethod("removeBond", null);
mi.Invoke(device, null);
}