private async void LoginButton_Click(object sender, EventArgs e)
{
loginButton.Enabled = false;
try
{
await GlobalServices.XjtuSite.Account.LoginAsync(userNameView.Text, passwordView.Text);
// ±£´æÉèÖá£
using (var pref = GetPreferences(FileCreationMode.Private))
{
var edit = pref.Edit();
var savePassword = savePasswordCheckBox.Checked;
edit.PutString("userName", userNameView.Text);
edit.PutString("password", savePassword ? passwordView.Text : "");
edit.PutBoolean("savePassword", savePassword);
edit.Commit();
}
GlobalServices.SaveState();
DroidUtility.ShowToast(this, "µÇ¼³É¹¦¡£");
}
catch (Exception ex)
{
DroidUtility.ReportException(this, ex);
}
finally
{
loginButton.Enabled = true;
}
}
public async Task <bool> UpdateAccountStatus()
{
if (GlobalServices.XjtuSite.Account.IsInvalidated)
{
DroidUtility.ShowToast(this, "ÕýÔÚ²éѯµÇ¼״̬¡¡");
await GlobalServices.XjtuSite.Account.UpdateAsync();
}
if (GlobalServices.XjtuSite.Account.IsLoggedIn)
{
var intent = new Intent(this, typeof(MainActivity));
StartActivity(intent);
this.Finish();
return(true);
}
return(false);
}
private async Task Redirect()
{
offlineNotice.Visibility = ViewStates.Gone;
if (GlobalServices.XjtuSite.Account.IsInvalidated)
{
try
{
await GlobalServices.XjtuSite.Account.UpdateAsync();
}
catch (Exception ex) when(ex is WebException || ex is TaskCanceledException)
{
offlineNotice.Visibility = ViewStates.Visible;
DroidUtility.ReportException(this, ex);
return;
}
}
var intent = new Intent(this, GlobalServices.XjtuSite.Account.IsLoggedIn
? typeof(MainActivity)
: typeof(LoginActivity));
StartActivity(intent);
this.Finish();
}
public Task <string> GetPasswordAsync(Stream keypadImageStream, IList <MapAreaInfo> mapAreas, SiteManager site)
{
var tcs = new TaskCompletionSource <string>();
var adb = new AlertDialog.Builder(Context);
using (var inflater = LayoutInflater.From(adb.Context))
{
var view = inflater.Inflate(Resource.Layout.XjtuCardPassword, null);
var passwordView = view.FindViewById <TextView>(Resource.Id.passwordTextView);
var padTable = view.FindViewById <TableLayout>(Resource.Id.passwordPadTable);
var currentPassword = "";
Action updatePasswordDisplay = () =>
{
passwordView.Text = new string('#', currentPassword.Length);
};
//生成按键。
var keypadBitmap = BitmapFactory.DecodeStream(keypadImageStream);
for (var row = 0; row < 4; row++)
{
var tr = new TableRow(adb.Context)
{
LayoutParameters = new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent)
};
padTable.AddView(tr);
for (var col = 0; col < 3; col++)
{
var index = row * 3 + col;
var indexExpr = Convert.ToString(index);
View buttonView = null;
if (index <= 9)
{
var area = mapAreas.First(a => a.Value == indexExpr);
var button = new ImageButton(adb.Context)
{
LayoutParameters = new TableRow.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent),
};
button.SetMinimumWidth(DroidUtility.DipToPixelsX(64));
button.SetMinimumHeight(DroidUtility.DipToPixelsY(64));
button.SetImageBitmap(Bitmap.CreateBitmap(keypadBitmap, area.X1, area.Y1, area.Width, area.Height));
button.SetScaleType(ImageView.ScaleType.FitCenter);
button.Click += (_, e) =>
{
currentPassword += indexExpr;
updatePasswordDisplay();
};
buttonView = button;
}
else if (index == 10)
{
var button = new Button(adb.Context)
{
Text = "更正",
LayoutParameters = new TableRow.LayoutParams(
ViewGroup.LayoutParams.MatchParent,
ViewGroup.LayoutParams.WrapContent)
{
Span = 2,
Gravity = GravityFlags.CenterVertical
}
};
button.Click += (_, e) =>
{
currentPassword = "";
updatePasswordDisplay();
};
buttonView = button;
}
if (buttonView != null)
{
tr.AddView(buttonView);
}
}
}
//初始化界面。
updatePasswordDisplay();
adb.SetView(view)
.SetPositiveButton("确定", (_, e) =>
{
tcs.SetResult(currentPassword);
})
.SetNegativeButton("取消", (_, e) =>
{
tcs.SetResult(null);
})
.Show();
}
return(tcs.Task);
}
