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.FrameLayout; import android.widget.LinearLayout; 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.LayoutHelper; import java.util.Locale; public class SessionCell extends FrameLayout { private TextView nameTextView; private TextView onlineTextView; private TextView detailTextView; private TextView detailExTextView; boolean needDivider; private static Paint paint; public SessionCell(Context context) { super(context); if (paint == null) { paint = new Paint(); paint.setColor(ContextCompat.getColor(context, R.color.divider)); paint.setStrokeWidth(1); } setElevation(AndroidUtilities.dp(2)); setBackgroundColor(ContextCompat.getColor(context, R.color.card_background)); LinearLayout linearLayout = new LinearLayout(context); linearLayout.setOrientation(LinearLayout.HORIZONTAL); linearLayout.setWeightSum(1); addView(linearLayout, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 30, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, 17, 11, 11, 0)); nameTextView = new TextView(context); nameTextView.setTextColor(ContextCompat.getColor(context, R.color.primary_text)); nameTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 16); nameTextView.setLines(1); nameTextView.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf")); nameTextView.setMaxLines(1); nameTextView.setSingleLine(true); nameTextView.setEllipsize(TextUtils.TruncateAt.END); nameTextView.setGravity((LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP); onlineTextView = new TextView(context); onlineTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 14); onlineTextView.setGravity((LocaleController.isRTL ? Gravity.LEFT : Gravity.RIGHT) | Gravity.TOP); if (LocaleController.isRTL) { linearLayout.addView(onlineTextView, LayoutHelper.createLinear(LayoutHelper.WRAP_CONTENT, LayoutHelper.MATCH_PARENT, Gravity.LEFT | Gravity.TOP, 0, 2, 0, 0)); linearLayout.addView(nameTextView, LayoutHelper.createLinear(0, LayoutHelper.MATCH_PARENT, 1.0f, Gravity.RIGHT | Gravity.TOP, 10, 0, 0, 0)); } else { linearLayout.addView(nameTextView, LayoutHelper.createLinear(0, LayoutHelper.MATCH_PARENT, 1.0f, Gravity.LEFT | Gravity.TOP, 0, 0, 10, 0)); linearLayout.addView(onlineTextView, LayoutHelper.createLinear(LayoutHelper.WRAP_CONTENT, LayoutHelper.MATCH_PARENT, Gravity.RIGHT | Gravity.TOP, 0, 2, 0, 0)); } detailTextView = new TextView(context); detailTextView.setTextColor(ContextCompat.getColor(context, R.color.primary_text)); detailTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 14); detailTextView.setLines(1); detailTextView.setMaxLines(1); detailTextView.setSingleLine(true); detailTextView.setEllipsize(TextUtils.TruncateAt.END); detailTextView.setGravity((LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP); addView(detailTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, 17, 36, 17, 0)); detailExTextView = new TextView(context); detailExTextView.setTextColor(ContextCompat.getColor(context, R.color.secondary_text) /*0xff999999*/); detailExTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 14); detailExTextView.setLines(1); detailExTextView.setMaxLines(1); detailExTextView.setSingleLine(true); detailExTextView.setEllipsize(TextUtils.TruncateAt.END); detailExTextView.setGravity((LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP); addView(detailExTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, 17, 59, 17, 0)); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(90) + (needDivider ? 1 : 0), MeasureSpec.EXACTLY)); } public void setSession(TLRPC.TL_authorization session, boolean divider) { needDivider = divider; nameTextView.setText(String.format(Locale.US, "%s %s", session.app_name, session.app_version)); if ((session.flags & 1) != 0) { onlineTextView.setText(LocaleController.getString("Online", R.string.Online)); onlineTextView.setTextColor(0xff2f8cc9); } else { onlineTextView.setText(LocaleController.stringForMessageListDate(session.date_active)); onlineTextView.setTextColor(0xff999999); } StringBuilder stringBuilder = new StringBuilder(); if (session.ip.length() != 0) { stringBuilder.append(session.ip); } if (session.country.length() != 0) { if (stringBuilder.length() != 0) { stringBuilder.append(" "); } stringBuilder.append(" "); stringBuilder.append(session.country); } detailExTextView.setText(stringBuilder); stringBuilder = new StringBuilder(); if (session.device_model.length() != 0) { stringBuilder.append(session.device_model); } if (session.system_version.length() != 0 || session.platform.length() != 0) { if (stringBuilder.length() != 0) { stringBuilder.append(", "); } if (session.platform.length() != 0) { stringBuilder.append(session.platform); } if (session.system_version.length() != 0) { if (session.platform.length() != 0) { stringBuilder.append(" "); } stringBuilder.append(session.system_version); } } if ((session.flags & 2) == 0) { if (stringBuilder.length() != 0) { stringBuilder.append(", "); } stringBuilder.append(LocaleController.getString("UnofficialApp", R.string.UnofficialApp)); stringBuilder.append(" (ID: "); stringBuilder.append(session.api_id); stringBuilder.append(")"); } detailTextView.setText(stringBuilder); } @Override protected void onDraw(Canvas canvas) { if (needDivider) { canvas.drawLine(getPaddingLeft(), getHeight() - 1, getWidth() - getPaddingRight(), getHeight() - 1, paint); } } public static void resetDivider() { paint = null; } }