public override bool OnOptionsItemSelected(IMenuItem item)
{
switch (item.ItemId)
{
case Resource.Id.menu_add:
// Show Add event screen
Intent intent = new Intent(mActivity, typeof(AddCalendarEventActivity));
intent.PutExtra("isAddEvent", true);
mActivity.StartActivityForResult(intent, ConstantsDroid.CALENDAR_LIST_REQUEST_CODE);
mActivity.OverridePendingTransition(Resource.Animation.animation_enter,
Resource.Animation.animation_leave);
break;
}
return(true);
}
/// <summary>
/// Start to select photo.
/// </summary>
/// <param name="requestCode"> identity of the requester activity. </param>
public void ForResult(int requestCode)
{
if (engine == null)
{
throw new ExceptionInInitializerError(LoadEngine.INITIALIZE_ENGINE_ERROR);
}
Activity activity = Activity;
if (activity == null)
{
return; // cannot continue;
}
mSelectionSpec.MimeTypes = MimeTypes;
mSelectionSpec.Engine = engine;
Intent intent = new Intent(activity, typeof(ImageSelectActivity));
intent.PutExtra(ImageSelectActivity.EXTRA_SELECTION_SPEC, mSelectionSpec);
// intent.putExtra(ImageSelectActivity.EXTRA_ENGINE, (Serializable) engine);
intent.PutParcelableArrayListExtra(ImageSelectActivity.EXTRA_RESUME_LIST, mResumeList.AsIParcelableList());
Fragment fragment = Fragment;
if (fragment != null)
{
fragment.StartActivityForResult(intent, requestCode);
}
else
{
activity.StartActivityForResult(intent, requestCode);
}
hasInitPicker = false;
}
public async void LoadImage(String imageName)
{
#if NETFX_CORE
Mat m = CvInvoke.Imread(imageName, LoadImageType.AnyColor);
InvokeOnImageLoaded(m);
#else
if (_mediaPicker == null)
{
#if __ANDROID__
_mediaPicker = new MediaPicker(Forms.Context);
#else
_mediaPicker = new MediaPicker();
#endif
}
var action = await(_mediaPicker.IsCameraAvailable?
DisplayActionSheet("Use Image from", "Cancel", null, "Default", "Photo Library", "Camera")
: DisplayActionSheet("Use Image from", "Cancel", null, "Default", "Photo Library"));
if (action.Equals("Default"))
{
#if __ANDROID__
InvokeOnImageLoaded(new Mat(Forms.Context.Assets, imageName));
#else
Mat m = CvInvoke.Imread(imageName, LoadImageType.AnyColor);
InvokeOnImageLoaded(m);
#endif
}
else if (action.Equals("Photo Library"))
{
#if __ANDROID__
Android.Content.Intent intent = _mediaPicker.GetPickPhotoUI();
Android.App.Activity activity = Forms.Context as Android.App.Activity;
activity.StartActivityForResult(intent, PickImageRequestCode);
//once the image was picked, the MainActivity.OnActivityResult function will handle the remaining work flow
#else
var file = await _mediaPicker.PickPhotoAsync();
using (Stream s = file.GetStream())
using (MemoryStream ms = new MemoryStream())
{
s.CopyTo(ms);
byte[] data = ms.ToArray();
Mat m = new Mat();
CvInvoke.Imdecode(data, LoadImageType.Color, m);
InvokeOnImageLoaded(m);
}
#endif
}
else if (action.Equals("Camera"))
{
#if __ANDROID__
Android.Content.Intent intent = _mediaPicker.GetTakePhotoUI(new StoreCameraMediaOptions());
Android.App.Activity activity = Forms.Context as Android.App.Activity;
activity.StartActivityForResult(intent, PickImageRequestCode);
//once the image was picked, the MainActivity.OnActivityResult function will handle the remaining work flow
#else
var file = await _mediaPicker.TakePhotoAsync(new StoreCameraMediaOptions());
using (Stream s = file.GetStream())
using (MemoryStream ms = new MemoryStream())
{
s.CopyTo(ms);
byte[] data = ms.ToArray();
Mat m = new Mat();
CvInvoke.Imdecode(data, LoadImageType.Color, m);
InvokeOnImageLoaded(m);
}
#endif
}
#endif
}
/// <summary>
/// 打印测试
/// </summary>
/// <param name="activity"></param>
public BluetoothPrinter(Android.App.Activity activity)
{
this.activity = activity;
//获得本地的蓝牙适配器
localAdapter = Android.Bluetooth.BluetoothAdapter.DefaultAdapter;
//打开蓝牙设备
if (!localAdapter.IsEnabled)
{
Android.Content.Intent enableIntent = new Android.Content.Intent(Android.Bluetooth.BluetoothAdapter.ActionRequestEnable);
activity.StartActivityForResult(enableIntent, 1);
}
//静默打开
if (!localAdapter.IsEnabled)
{
localAdapter.Enable();
}
if (!localAdapter.IsEnabled)//用户拒绝打开或系统限制权限
{
Android.Widget.Toast.MakeText(activity, "蓝牙未打开", Android.Widget.ToastLength.Short).Show();
return;
}
//获得已配对的设备列表
bondedDevices = new List<Android.Bluetooth.BluetoothDevice>(localAdapter.BondedDevices);
if (bondedDevices.Count <= 0)
{
Android.Widget.Toast.MakeText(activity, "未找到已配对的蓝牙设备", Android.Widget.ToastLength.Short).Show();
return;
}
string[] items = new string[bondedDevices.Count];
//查看本地已设置的printer名称
string ls_localPrinterName = baseclass.MyConfig.of_GetMySysSet("printer", "name");
if (!string.IsNullOrEmpty(ls_localPrinterName))
{
for (int j = 0; j < bondedDevices.Count; j++)
{
if(ls_localPrinterName== bondedDevices[j].Name)
{
as_BluetoothName = ls_localPrinterName;
System.Threading.Thread thr2 = new System.Threading.Thread(new System.Threading.ThreadStart(Printer));
thr2.Start(activity);
return;
}
}
}
//弹窗选择
for (int i = 0; i < bondedDevices.Count; i++)
{
items[i] = bondedDevices[i].Name;
}
Android.App.AlertDialog.Builder builder = new Android.App.AlertDialog.Builder(activity);
builder.SetTitle("请选择打印设备：");
builder.SetItems(items, new System.EventHandler<Android.Content.DialogClickEventArgs>(items_click));
builder.SetNegativeButton("取消", delegate { return; });
builder.Show();
}
public BluetoothPrinter(Android.App.Activity activity, PrinterType type, string Number)
{
this.as_Number = Number;
this.printerType = type;
this.activity = activity;
//获得本地的蓝牙适配器
localAdapter = Android.Bluetooth.BluetoothAdapter.DefaultAdapter;
if (string.IsNullOrEmpty(Number))
{
Android.Widget.Toast.MakeText(activity, "传入的单号为空，打印失败", Android.Widget.ToastLength.Short).Show();
return;
}
//打开蓝牙设备
if (!localAdapter.IsEnabled)
{
Android.Content.Intent enableIntent = new Android.Content.Intent(Android.Bluetooth.BluetoothAdapter.ActionRequestEnable);
activity.StartActivityForResult(enableIntent, 1);
}
//静默打开
if (!localAdapter.IsEnabled)
{
localAdapter.Enable();
}
if (!localAdapter.IsEnabled)//用户拒绝打开或系统限制权限
{
Android.Widget.Toast.MakeText(activity, "蓝牙未打开", Android.Widget.ToastLength.Short).Show();
return;
}
//获得已配对的设备列表
bondedDevices = new List<Android.Bluetooth.BluetoothDevice>(localAdapter.BondedDevices);
if (bondedDevices.Count <= 0)
{
Android.Widget.Toast.MakeText(activity, "未找到已配对的蓝牙设备", Android.Widget.ToastLength.Short).Show();
return;
}
string[] items = new string[bondedDevices.Count];
for (int i = 0; i < bondedDevices.Count; i++)
{
items[i] = bondedDevices[i].Name;
}
Android.App.AlertDialog.Builder builder = new Android.App.AlertDialog.Builder(activity);
builder.SetTitle("请选择打印设备：");
builder.SetItems(items, new System.EventHandler<Android.Content.DialogClickEventArgs>(items_click));
builder.SetNegativeButton("取消", delegate { return; });
builder.Show();
}
public virtual async void LoadImages(String[] imageNames, String[] labels = null)
{
#if NETFX_CORE
Mat[] mats = new Mat[imageNames.Length];
for (int i = 0; i < mats.Length; i++)
{
mats[i] = CvInvoke.Imread(imageNames[i], ImreadModes.Color);
}
InvokeOnImagesLoaded(mats);
#else
if (_mediaPicker == null)
{
#if __ANDROID__
_mediaPicker = new MediaPicker(Forms.Context);
#else
_mediaPicker = new MediaPicker();
#endif
}
Mat[] mats = new Mat[imageNames.Length];
for (int i = 0; i < mats.Length; i++)
{
String pickImgString = "Use Image from";
if (labels != null && labels.Length > i)
{
pickImgString = labels[i];
}
var action = await(_mediaPicker.IsCameraAvailable?
DisplayActionSheet(pickImgString, "Cancel", null, "Default", "Photo Library", "Camera")
: DisplayActionSheet(pickImgString, "Cancel", null, "Default", "Photo Library"));
if (action.Equals("Default"))
{
#if __ANDROID__
mats[i] = new Mat(Forms.Context.Assets, imageNames[i]);
#else
mats[i] = CvInvoke.Imread(imageNames[i], ImreadModes.AnyColor);
#endif
}
else if (action.Equals("Photo Library"))
{
#if __ANDROID__
Android.Content.Intent intent = _mediaPicker.GetPickPhotoUI();
Android.App.Activity activity = Forms.Context as Android.App.Activity;
activity.StartActivityForResult(intent, PickImageRequestCode);
//once the image was picked, the MainActivity.OnActivityResult function will handle the remaining work flow
Task t = new Task(() =>
{ _waitHandle.WaitOne(); });
t.Start();
await t;
if (MatHandle == null) //Cancelled
{
return;
}
mats[i] = MatHandle;
#else
var file = await _mediaPicker.PickPhotoAsync();
using (Stream s = file.GetStream())
using (MemoryStream ms = new MemoryStream())
{
s.CopyTo(ms);
byte[] data = ms.ToArray();
Mat m = new Mat();
CvInvoke.Imdecode(data, ImreadModes.Color, m);
mats[i] = m;
}
#endif
}
else if (action.Equals("Camera"))
{
#if __ANDROID__
Android.Content.Intent intent = _mediaPicker.GetTakePhotoUI(new StoreCameraMediaOptions());
Android.App.Activity activity = Forms.Context as Android.App.Activity;
activity.StartActivityForResult(intent, PickImageRequestCode);
//once the image was picked, the MainActivity.OnActivityResult function will handle the remaining work flow
Task t = new Task(() =>
{ _waitHandle.WaitOne(); });
t.Start();
await t;
if (MatHandle == null) //Cancelled
{
return;
}
mats[i] = MatHandle;
#else
var file = await _mediaPicker.TakePhotoAsync(new StoreCameraMediaOptions());
using (Stream s = file.GetStream())
using (MemoryStream ms = new MemoryStream())
{
s.CopyTo(ms);
byte[] data = ms.ToArray();
Mat m = new Mat();
CvInvoke.Imdecode(data, ImreadModes.Color, m);
mats[i] = m;
}
#endif
}
}
InvokeOnImagesLoaded(mats);
#endif
}