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.Paint; import android.support.v4.content.ContextCompat; import android.text.TextUtils; import android.util.TypedValue; import android.view.Gravity; import android.widget.Switch; import android.widget.TextView; import org.telegram.messenger.AndroidUtilities; import org.telegram.messenger.LocaleController; import org.telegram.messenger.R; import org.telegram.ui.Components.ForegroundFrameLayout; import org.telegram.ui.Components.LayoutHelper; public class TextCheckCell extends ForegroundFrameLayout { private TextView textView; private TextView valueTextView; private Switch checkBox; private static Paint paint; private boolean needDivider; private boolean isMultiline; public TextCheckCell(Context context) { super(context); setElevation(AndroidUtilities.dp(2)); setBackgroundColor(ContextCompat.getColor(context, R.color.card_background)); if (paint == null) { paint = new Paint(); paint.setColor(ContextCompat.getColor(context, R.color.divider) /*0xffd9d9d9*/); paint.setStrokeWidth(1); } textView = new TextView(context); textView.setTextColor(ContextCompat.getColor(context, R.color.primary_text)/*0xff212121*/); textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 16); textView.setLines(1); textView.setMaxLines(1); textView.setSingleLine(true); textView.setGravity((LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.CENTER_VERTICAL); textView.setEllipsize(TextUtils.TruncateAt.END); addView(textView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, LocaleController.isRTL ? 64 : 17, 0, LocaleController.isRTL ? 17 : 64, 0)); valueTextView = new TextView(context); valueTextView.setTextColor(ContextCompat.getColor(context, R.color.secondary_text)/*0xff212121*/); valueTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 13); valueTextView.setGravity(LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT); valueTextView.setLines(1); valueTextView.setMaxLines(1); valueTextView.setSingleLine(true); valueTextView.setPadding(0, 0, 0, 0); valueTextView.setEllipsize(TextUtils.TruncateAt.END); addView(valueTextView, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, LocaleController.isRTL ? 64 : 17, 35, LocaleController.isRTL ? 17 : 64, 0)); checkBox = new Switch(context); checkBox.setDuplicateParentStateEnabled(false); checkBox.setFocusable(false); checkBox.setFocusableInTouchMode(false); checkBox.setClickable(false); checkBox.setBackground(null); addView(checkBox, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT, (LocaleController.isRTL ? Gravity.LEFT : Gravity.RIGHT) | Gravity.CENTER_VERTICAL, 12, 0, 12, 0)); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { if (isMultiline) { super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); } else { super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec( AndroidUtilities.dp(valueTextView.getVisibility() == VISIBLE ? 64 : 48) + (needDivider ? 1 : 0), MeasureSpec.EXACTLY)); } } public void setTextAndCheck(String text, boolean checked, boolean divider) { textView.setText(text); isMultiline = false; checkBox.setChecked(checked); needDivider = divider; valueTextView.setVisibility(GONE); LayoutParams layoutParams = (LayoutParams) textView.getLayoutParams(); layoutParams.height = LayoutParams.MATCH_PARENT; layoutParams.topMargin = 0; textView.setLayoutParams(layoutParams); setWillNotDraw(!divider); } public void setTextAndValueAndCheck(String text, String value, boolean checked, boolean multiline, boolean divider) { textView.setText(text); valueTextView.setText(value); checkBox.setChecked(checked); needDivider = divider; valueTextView.setVisibility(VISIBLE); isMultiline = multiline; if (multiline) { valueTextView.setLines(0); valueTextView.setMaxLines(0); valueTextView.setSingleLine(false); valueTextView.setEllipsize(null); valueTextView.setPadding(0, 0, 0, AndroidUtilities.dp(11)); } else { valueTextView.setLines(1); valueTextView.setMaxLines(1); valueTextView.setSingleLine(true); valueTextView.setEllipsize(TextUtils.TruncateAt.END); valueTextView.setPadding(0, 0, 0, 0); } LayoutParams layoutParams = (LayoutParams) textView.getLayoutParams(); layoutParams.height = LayoutParams.WRAP_CONTENT; layoutParams.topMargin = AndroidUtilities.dp(10); textView.setLayoutParams(layoutParams); setWillNotDraw(!divider); } public boolean isChecked() { return checkBox.isChecked(); } public void setChecked(boolean checked) { checkBox.setChecked(checked); } @Override protected void onDraw(Canvas canvas) { if (needDivider) { canvas.drawLine(getPaddingLeft(), getHeight() - 1, getWidth() - getPaddingRight(), getHeight() - 1, paint); } } public static void resetDivider() { paint = null; } }