public override View GetView(int position, View convertView, ViewGroup parent)
{
ShapeImageViewQs.Src.SampleBubbleFragment.ViewHolder holder;
int itemViewType = GetItemViewType(position);
int layout = layout1;
if (itemViewType == 1)
{
layout = layout2;
}
if (convertView == null)
{
convertView = LayoutInflater.FromContext(Context).Inflate(layout, parent, false);
holder = new ViewHolder();
holder.image = convertView.FindViewById <ImageView>(Resource.Id.image);
holder.text = convertView.FindViewById <TextView>(Resource.Id.text);
convertView.Tag = holder;
}
else
{
holder = (ViewHolder)convertView.Tag;
}
position = position % MESSAGES.Length;
string url;
string text = MESSAGES[position];
if (position < 4)
{
url = IMAGES[0, 0];
}
else
{
url = IMAGES[1, 0];
}
holder.text.Text = text;
picasso.Load(url)
.Placeholder(Resource.Drawable.placeholder)
.Into(holder.image);
return(convertView);
}
public Bitmap Transform(Bitmap source)
{
Bitmap result = Bitmap.CreateBitmap(source.Width, source.Height, source.GetConfig());
Bitmap noise;
try
{
noise = picasso.Load(Resource.Drawable.noise).Get();
}
catch (Exception)
{
throw new Exception("Failed to apply transformation! Missing resource.");
}
BitmapShader shader = new BitmapShader(noise, Shader.TileMode.Repeat, Shader.TileMode.Repeat);
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.SetSaturation(0);
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(colorMatrix);
Paint paint = new Paint(PaintFlags.AntiAlias);
paint.SetColorFilter(filter);
Canvas canvas = new Canvas(result);
canvas.DrawBitmap(source, 0, 0, paint);
paint.SetColorFilter(null);
paint.SetShader(shader);
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.Multiply));
canvas.DrawRect(0, 0, canvas.Width, canvas.Height, paint);
source.Recycle();
noise.Recycle();
return(result);
}
/// <summary>
/// When you want to implement your own slider view, please call this method in the end in `getView()` method </summary>
/// <param name="v"> the whole view </param>
/// <param name="targetImageView"> where to place image </param>
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not allowed in .NET:
//ORIGINAL LINE: protected void bindEventAndShow(final android.view.View v, android.widget.ImageView targetImageView)
protected internal virtual void bindEventAndShow(View v, ImageView targetImageView)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final BaseSliderView me = this;
BaseSliderView me = this;
v.SetOnClickListener(new OnClickListenerAnonymousInnerClassHelper(this, v, me));
if (targetImageView == null)
{
return;
}
if (mLoadListener != null)
{
mLoadListener.onStart(me);
}
Picasso p = (mPicasso != null) ? mPicasso : Picasso.With(mContext);
RequestCreator rq = null;
if (mUrl != null)
{
rq = p.Load(mUrl);
}
else if (mFile != null)
{
rq = p.Load(mFile);
}
else if (mRes != 0)
{
rq = p.Load(mRes);
}
else
{
return;
}
if (rq == null)
{
return;
}
if (Empty != 0)
{
rq.Placeholder(Empty);
}
if (Error != 0)
{
rq.Error(Error);
}
switch (mScaleType)
{
case ScaleType.Fit:
rq.Fit();
break;
case ScaleType.CenterCrop:
rq.Fit().CenterCrop();
break;
case ScaleType.CenterInside:
rq.Fit().CenterInside();
break;
}
rq.Into(targetImageView, () => OnSuccess(v), () => OnError(v, me));
//rq.Into(targetImageView, new CallbackAnonymousInnerClassHelper(this, v, me));
}
protected override RequestCreator CreateRequestCreator(string value, Type targetType, object parameter, CultureInfo culture) => Picasso.Load(value).Fit().CenterCrop();
private void LoadStudents()
{
var screenWidth = Resources.DisplayMetrics.WidthPixels;
var screenHeight = Resources.DisplayMetrics.HeightPixels;
var view = FindViewById <RelativeLayout>(Resource.Id.ll_top);
view.Measure(0, 0);
var height = view.MeasuredHeight;
height = screenHeight - height - AppUtils.dip2px(CurrContext, 45 + 30 + 30);
if ((int)(Build.VERSION.SdkInt) < 21)
{
{
Rect frame = new Rect();
Window.DecorView.GetWindowVisibleDisplayFrame(frame);
var statusBarHeight = frame.Top;
height = height - statusBarHeight;
}
}
// 计算头像的高度（容器高度-上下padding-姓名的view高度）*0.8
var avatarHeihgt = (int)(((height / 2 - AppUtils.dip2px(CurrContext, (2 * 15 + 2 * 30))) / 2));
var wrapperWidth = screenWidth - AppUtils.dip2px(CurrContext, 24);
var itemWidth = avatarHeihgt;//(int)Math.Round((wrapperWidth / avatarColumns) * 0.8);
var marginRight = (wrapperWidth - itemWidth * avatarColumns) / 3;
// 设置scrollview高度（2行高度）
var scrollviewHeight = (itemWidth + AppUtils.dip2px(CurrContext, 30)) * 2;
LinearLayout.LayoutParams scrollParas = new LinearLayout.LayoutParams(wrapperWidth, scrollviewHeight);
scrolllview_1.LayoutParameters = scrollParas;
scrolllview_2.LayoutParameters = scrollParas;
tv_renewNum.Text = string.Format("已续班（{0}人）", renewStudentList.Count);
for (var i = 0; i < renewStudentList.Count; i++)
{
var student = renewStudentList[i];
var itemBox = LayoutInflater.From(CurrContext).Inflate(Resource.Layout.item_renew_avatar, gridlayout_1, false);
ImageView ivAvatar = itemBox.FindViewById <ImageView>(Resource.Id.iv_avatar);
// 设置照片宽度和高度
var avatarWidth = itemWidth;
var avatarHeight = avatarWidth;
LinearLayout.LayoutParams parasAvatar = new LinearLayout.LayoutParams(avatarWidth, avatarHeight);
parasAvatar.Gravity = GravityFlags.Center;
ivAvatar.LayoutParameters = parasAvatar;
if (!string.IsNullOrEmpty(student.avatar))
{
picasso.Load(student.avatar).Placeholder(Resource.Drawable.avatar_student).Error(Resource.Drawable.avatar_student)
.Transform(new CircleImageTransformation(picasso))
.Into(ivAvatar);
}
else
{
picasso.Load(Resource.Drawable.avatar_student).Placeholder(Resource.Drawable.avatar_student).Error(Resource.Drawable.avatar_student)
.Transform(new CircleImageTransformation(picasso))
.Into(ivAvatar);
}
TextView tvName = itemBox.FindViewById <TextView>(Resource.Id.tv_name);
tvName.Text = student.name;
if (avatarHeihgt < 60)
{
tvName.SetTextSize(Android.Util.ComplexUnitType.Sp, 11);
}
GridLayout.LayoutParams parasBox = new GridLayout.LayoutParams();
parasBox.Width = itemWidth;
if (i % avatarColumns != 3)
{
parasBox.RightMargin = marginRight;
}
itemBox.LayoutParameters = parasBox;
gridlayout_1.AddView(itemBox);
// 添加点击事件
itemBox.Click += (sender, e) =>
{
Intent intent = new Intent(CurrActivity, typeof(StuentClassActivity));
intent.PutExtra("studentJsonStr", JsonSerializer.ToJsonString(student));
StartActivity(intent);
CurrActivity.OverridePendingTransition(Resource.Animation.right_in, Resource.Animation.left_out);
};
}
tv_noRenewNum.Text = string.Format("未续班（{0}人）", notRenewStudentList.Count);
for (var i = 0; i < notRenewStudentList.Count; i++)
{
var student = notRenewStudentList[i];
var itemBox = LayoutInflater.From(CurrContext).Inflate(Resource.Layout.item_renew_avatar, gridlayout_2, false);
ImageView ivAvatar = itemBox.FindViewById <ImageView>(Resource.Id.iv_avatar);
// 设置照片宽度和高度
var avatarWidth = itemWidth;
var avatarHeight = avatarWidth;
LinearLayout.LayoutParams parasAvatar = new LinearLayout.LayoutParams(avatarWidth, avatarHeight);
parasAvatar.Gravity = GravityFlags.Center;
ivAvatar.LayoutParameters = parasAvatar;
if (!string.IsNullOrEmpty(student.avatar))
{
picasso.Load(student.avatar).Placeholder(Resource.Drawable.avatar_student).Error(Resource.Drawable.avatar_student)
.Transform(new CircleImageTransformation(picasso))
.Into(ivAvatar);
}
TextView tvName = itemBox.FindViewById <TextView>(Resource.Id.tv_name);
tvName.Text = student.name;
GridLayout.LayoutParams parasBox = new GridLayout.LayoutParams();
parasBox.Width = itemWidth;
if (i % avatarColumns != 3)
{
parasBox.RightMargin = marginRight;
}
itemBox.LayoutParameters = parasBox;
gridlayout_2.AddView(itemBox);
// 添加点击事件
itemBox.Click += (sender, e) =>
{
Intent intent = new Intent(CurrActivity, typeof(StuentClassActivity));
intent.PutExtra("studentJsonStr", JsonSerializer.ToJsonString(student));
StartActivity(intent);
CurrActivity.OverridePendingTransition(Resource.Animation.right_in, Resource.Animation.left_out);
};
}
}
