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.graphics.Canvas; import android.graphics.ColorFilter; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.drawable.Drawable; 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.view.View; import android.widget.CompoundButton; import android.widget.FrameLayout; import android.widget.TextView; import org.telegram.messenger.AndroidUtilities; import org.telegram.messenger.LocaleController; import org.telegram.messenger.R; import org.telegram.tgnet.TLRPC; import org.telegram.ui.Components.BackupImageView; import org.telegram.ui.Components.ForegroundFrameLayout; import org.telegram.ui.Components.LayoutHelper; import org.telegram.ui.Components.Switch; public class ArchivedStickerSetCell extends ForegroundFrameLayout { private TextView textView; private TextView valueTextView; private BackupImageView imageView; private boolean needDivider; private Switch checkBox; private TLRPC.StickerSetCovered stickersSet; private Rect rect = new Rect(); private CompoundButton.OnCheckedChangeListener onCheckedChangeListener; private static Paint paint; public ArchivedStickerSetCell(Context context, boolean needCheckBox) { super(context); setBackgroundColor(ContextCompat.getColor(context, R.color.card_background)); setElevation(AndroidUtilities.dp(2)); if (paint == null) { paint = new Paint(); paint.setColor(ContextCompat.getColor(context, R.color.divider)); } textView = new TextView(context); textView.setTextColor(ContextCompat.getColor(context, R.color.primary_text)); textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 16); textView.setLines(1); textView.setMaxLines(1); textView.setSingleLine(true); textView.setEllipsize(TextUtils.TruncateAt.END); textView.setGravity(LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT); addView(textView, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT, LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT, LocaleController.isRTL ? 40 : 71, 10, LocaleController.isRTL ? 71 : 40, 0)); valueTextView = new TextView(context); //valueTextView.setTextColor(0xff8a8a8a); valueTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 13); valueTextView.setLines(1); valueTextView.setMaxLines(1); valueTextView.setSingleLine(true); valueTextView.setGravity(LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT); addView(valueTextView, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT, LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT, LocaleController.isRTL ? 40 : 71, 35, LocaleController.isRTL ? 71 : 40, 0)); imageView = new BackupImageView(context); imageView.setAspectFit(true); addView(imageView, LayoutHelper.createFrame(48, 48, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, LocaleController.isRTL ? 0 : 12, 8, LocaleController.isRTL ? 12 : 0, 0)); if (needCheckBox) { checkBox = new Switch(context); checkBox.setDuplicateParentStateEnabled(false); checkBox.setFocusable(false); checkBox.setFocusableInTouchMode(false); addView(checkBox, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT, (LocaleController.isRTL ? Gravity.LEFT : Gravity.RIGHT) | Gravity.CENTER_VERTICAL, 14, 0, 14, 0)); } } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(MeasureSpec.makeMeasureSpec(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(64) + (needDivider ? 1 : 0), MeasureSpec.EXACTLY)); } public void setStickersSet(TLRPC.StickerSetCovered set, boolean divider, boolean unread) { needDivider = divider; stickersSet = set; setWillNotDraw(!needDivider); textView.setText(stickersSet.set.title); if (unread) { Drawable drawable = new Drawable() { Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); @Override public void draw(Canvas canvas) { paint.setColor(0xff44a8ea); canvas.drawCircle(AndroidUtilities.dp(4), AndroidUtilities.dp(5), AndroidUtilities.dp(3), paint); } @Override public void setAlpha(int alpha) { } @Override public void setColorFilter(ColorFilter colorFilter) { } @Override public int getOpacity() { return 0; } @Override public int getIntrinsicWidth() { return AndroidUtilities.dp(12); } @Override public int getIntrinsicHeight() { return AndroidUtilities.dp(8); } }; textView.setCompoundDrawablesWithIntrinsicBounds(LocaleController.isRTL ? null : drawable, null, LocaleController.isRTL ? drawable : null, null); } else { textView.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0); } valueTextView.setText(LocaleController.formatPluralString("Stickers", set.set.count)); if (set.cover != null && set.cover.thumb != null && set.cover.thumb.location != null) { imageView.setImage(set.cover.thumb.location, null, "webp", null); } else if (!set.covers.isEmpty()) { imageView.setImage(set.covers.get(0).thumb.location, null, "webp", null); } } public void setOnCheckClick(CompoundButton.OnCheckedChangeListener listener) { checkBox.setOnCheckedChangeListener(onCheckedChangeListener = listener); checkBox.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { } }); } public void setChecked(boolean checked) { checkBox.setOnCheckedChangeListener(null); checkBox.setChecked(checked); checkBox.setOnCheckedChangeListener(onCheckedChangeListener); } public boolean isChecked() { return checkBox != null && checkBox.isChecked(); } public TLRPC.StickerSetCovered getStickersSet() { return stickersSet; } @Override public boolean onTouchEvent(MotionEvent event) { if (checkBox != null) { checkBox.getHitRect(rect); if (rect.contains((int) event.getX(), (int) event.getY())) { event.offsetLocation(-checkBox.getX(), -checkBox.getY()); return checkBox.onTouchEvent(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); } @Override protected void onDraw(Canvas canvas) { if (needDivider) { canvas.drawLine(0, getHeight() - 1, getWidth() - getPaddingRight(), getHeight() - 1, paint); } } public static void resetDivider() { paint = null; } }