Java tutorial
/* * This is the source code of Telegram for Android v. 3.x.x. * It is licensed under GNU GPL v. 2 or later. * You should have received a copy of the license in this archive (see LICENSE). * * Copyright Nikolai Kudashov, 2013-2016. */ package org.telegram.ui.Cells; import android.content.Context; import android.os.Build; import android.support.v4.content.ContextCompat; import android.text.TextUtils; import android.util.TypedValue; import android.view.Gravity; import android.view.MotionEvent; import android.widget.FrameLayout; import android.widget.TextView; import org.telegram.messenger.AndroidUtilities; import org.telegram.messenger.ContactsController; import org.telegram.messenger.MessagesController; import org.telegram.messenger.R; import org.telegram.tgnet.TLRPC; import org.telegram.ui.Components.AvatarDrawable; import org.telegram.ui.Components.BackupImageView; import org.telegram.ui.Components.CheckBox; import org.telegram.ui.Components.LayoutHelper; public class ShareDialogCell extends FrameLayout { private BackupImageView imageView; private TextView nameTextView; private CheckBox checkBox; private AvatarDrawable avatarDrawable = new AvatarDrawable(); public ShareDialogCell(Context context) { super(context); setBackgroundResource(R.drawable.list_selector); imageView = new BackupImageView(context); imageView.setRoundRadius(AndroidUtilities.dp(27)); addView(imageView, LayoutHelper.createFrame(54, 54, Gravity.TOP | Gravity.CENTER_HORIZONTAL, 0, 7, 0, 0)); nameTextView = new TextView(context); nameTextView.setTextColor(ContextCompat.getColor(context, R.color.primary_text)); nameTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 12); nameTextView.setMaxLines(2); nameTextView.setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL); nameTextView.setLines(2); nameTextView.setEllipsize(TextUtils.TruncateAt.END); addView(nameTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT, Gravity.LEFT | Gravity.TOP, 6, 64, 6, 0)); checkBox = new CheckBox(context, R.drawable.round_check2); checkBox.setSize(24); checkBox.setCheckOffset(AndroidUtilities.dp(1)); checkBox.setVisibility(VISIBLE); checkBox.setColor(0xff3ec1f9); addView(checkBox, LayoutHelper.createFrame(24, 24, Gravity.CENTER_HORIZONTAL | Gravity.TOP, 17, 39, 0, 0)); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(100), MeasureSpec.EXACTLY)); } @Override public boolean onTouchEvent(MotionEvent event) { if (Build.VERSION.SDK_INT >= 21 && getBackground() != null) { if (event.getAction() == MotionEvent.ACTION_DOWN || event.getAction() == MotionEvent.ACTION_MOVE) { getBackground().setHotspot(event.getX(), event.getY()); } } return super.onTouchEvent(event); } public void setDialog(int uid, boolean checked, CharSequence name) { TLRPC.FileLocation photo = null; if (uid > 0) { TLRPC.User user = MessagesController.getInstance().getUser(uid); if (name != null) { nameTextView.setText(name); } else if (user != null) { nameTextView.setText(ContactsController.formatName(user.first_name, user.last_name)); } else { nameTextView.setText(""); } avatarDrawable.setInfo(user); if (user != null && user.photo != null) { photo = user.photo.photo_small; } } else { TLRPC.Chat chat = MessagesController.getInstance().getChat(-uid); if (name != null) { nameTextView.setText(name); } else if (chat != null) { nameTextView.setText(chat.title); } else { nameTextView.setText(""); } avatarDrawable.setInfo(chat); if (chat != null && chat.photo != null) { photo = chat.photo.photo_small; } } imageView.setImage(photo, "50_50", avatarDrawable); checkBox.setChecked(checked, false); } public void setChecked(boolean checked, boolean animated) { checkBox.setChecked(checked, animated); } }