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.support.v4.content.ContextCompat; import android.util.TypedValue; import android.view.Gravity; 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 HeaderCell extends ForegroundFrameLayout { private TextView textView; public HeaderCell(Context context) { super(context); setElevation(AndroidUtilities.dp(2)); setBackgroundColor(ContextCompat.getColor(context, R.color.card_background)); textView = new TextView(getContext()); textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 15); textView.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf")); textView.setTextColor(ContextCompat.getColor(context, R.color.colorAccent)); textView.setGravity((LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.CENTER_VERTICAL); addView(textView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, 17, 15, 17, 0)); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(38), MeasureSpec.EXACTLY)); } public void setText(String text) { textView.setText(text); } }