Java tutorial
/* * Copyright (C) 2009-2014 Johan Nilsson <http://markupartist.com> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.markupartist.sthlmtraveling.ui.view; import android.content.Context; import android.graphics.Color; import android.graphics.Typeface; import android.graphics.drawable.Drawable; import android.os.Build; import android.support.v4.content.ContextCompat; import android.support.v4.text.BidiFormatter; import android.support.v4.util.Pair; import android.support.v4.view.ViewCompat; import android.text.SpannableStringBuilder; import android.text.Spanned; import android.text.TextUtils; import android.util.AttributeSet; import android.util.TypedValue; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TextView; import com.markupartist.sthlmtraveling.R; import com.markupartist.sthlmtraveling.data.models.Leg; import com.markupartist.sthlmtraveling.data.models.RealTimeState; import com.markupartist.sthlmtraveling.data.models.Route; import com.markupartist.sthlmtraveling.utils.DateTimeUtil; import com.markupartist.sthlmtraveling.utils.LegUtil; import com.markupartist.sthlmtraveling.utils.RtlUtils; import com.markupartist.sthlmtraveling.utils.ViewHelper; import com.markupartist.sthlmtraveling.utils.text.RoundedBackgroundSpan; import java.util.Date; import java.util.Locale; /** * Represent a Route */ public class TripView extends LinearLayout { private Route trip; private boolean mShowDivider = true; public TripView(Context context) { super(context); } public TripView(Context context, AttributeSet attrs) { super(context, attrs); } public void setTrip(final Route trip) { this.trip = trip; removeAllViews(); updateViews(); } public void showDivider(boolean show) { mShowDivider = show; } public void updateViews() { this.setOrientation(VERTICAL); float scale = getResources().getDisplayMetrics().density; this.setPadding(getResources().getDimensionPixelSize(R.dimen.list_horizontal_padding), getResources().getDimensionPixelSize(R.dimen.list_vertical_padding), getResources().getDimensionPixelSize(R.dimen.list_horizontal_padding), getResources().getDimensionPixelSize(R.dimen.list_vertical_padding)); LinearLayout timeStartEndLayout = new LinearLayout(getContext()); TextView timeStartEndText = new TextView(getContext()); timeStartEndText.setText(DateTimeUtil.routeToTimeDisplay(getContext(), trip)); timeStartEndText.setTextColor(ContextCompat.getColor(getContext(), R.color.body_text_1)); timeStartEndText.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16); ViewCompat.setPaddingRelative(timeStartEndText, 0, 0, 0, (int) (2 * scale)); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) { if (RtlUtils.isRtl(Locale.getDefault())) { timeStartEndText.setTextDirection(View.TEXT_DIRECTION_RTL); } } // Check if we have Realtime for start and or end. boolean hasRealtime = false; Pair<Date, RealTimeState> transitTime = trip.departsAt(true); if (transitTime.second != RealTimeState.NOT_SET) { hasRealtime = true; } else { transitTime = trip.arrivesAt(true); if (transitTime.second != RealTimeState.NOT_SET) { hasRealtime = true; } } // if (hasRealtime) { // ImageView liveDrawable = new ImageView(getContext()); // liveDrawable.setImageResource(R.drawable.ic_live); // ViewCompat.setPaddingRelative(liveDrawable, 0, (int) (2 * scale), (int) (4 * scale), 0); // timeStartEndLayout.addView(liveDrawable); // // AlphaAnimation animation1 = new AlphaAnimation(0.4f, 1.0f); // animation1.setDuration(600); // animation1.setRepeatMode(Animation.REVERSE); // animation1.setRepeatCount(Animation.INFINITE); // // liveDrawable.startAnimation(animation1); // } timeStartEndLayout.addView(timeStartEndText); LinearLayout startAndEndPointLayout = new LinearLayout(getContext()); TextView startAndEndPoint = new TextView(getContext()); BidiFormatter bidiFormatter = BidiFormatter.getInstance(RtlUtils.isRtl(Locale.getDefault())); startAndEndPoint.setText(String.format("%s %s", bidiFormatter.unicodeWrap(trip.fromStop().getName()), bidiFormatter.unicodeWrap(trip.toStop().getName()))); startAndEndPoint.setTextColor(getResources().getColor(R.color.body_text_1)); // Dark gray startAndEndPoint.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) { if (RtlUtils.isRtl(Locale.getDefault())) { startAndEndPoint.setTextDirection(View.TEXT_DIRECTION_RTL); } } ViewCompat.setPaddingRelative(startAndEndPoint, 0, (int) (4 * scale), 0, (int) (4 * scale)); startAndEndPointLayout.addView(startAndEndPoint); RelativeLayout timeLayout = new RelativeLayout(getContext()); LinearLayout routeChanges = new LinearLayout(getContext()); routeChanges.setGravity(Gravity.CENTER_VERTICAL); LinearLayout.LayoutParams changesLayoutParams = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT); changesLayoutParams.gravity = Gravity.CENTER_VERTICAL; if (trip.hasAlertsOrNotes()) { ImageView warning = new ImageView(getContext()); warning.setImageResource(R.drawable.ic_trip_deviation); ViewCompat.setPaddingRelative(warning, 0, (int) (2 * scale), (int) (4 * scale), 0); routeChanges.addView(warning); } int currentTransportCount = 1; int transportCount = trip.getLegs().size(); for (Leg leg : trip.getLegs()) { if (!leg.isTransit() && transportCount > 3) { if (leg.getDistance() < 150) { continue; } } if (currentTransportCount > 1 && transportCount >= currentTransportCount) { ImageView separator = new ImageView(getContext()); separator.setImageResource(R.drawable.transport_separator); ViewCompat.setPaddingRelative(separator, 0, 0, (int) (2 * scale), 0); separator.setLayoutParams(changesLayoutParams); routeChanges.addView(separator); if (RtlUtils.isRtl(Locale.getDefault())) { ViewCompat.setScaleX(separator, -1f); } } ImageView changeImageView = new ImageView(getContext()); Drawable transportDrawable = LegUtil.getTransportDrawable(getContext(), leg); changeImageView.setImageDrawable(transportDrawable); if (RtlUtils.isRtl(Locale.getDefault())) { ViewCompat.setScaleX(changeImageView, -1f); } ViewCompat.setPaddingRelative(changeImageView, 0, 0, 0, 0); changeImageView.setLayoutParams(changesLayoutParams); routeChanges.addView(changeImageView); if (currentTransportCount <= 3) { String lineName = leg.getRouteShortName(); if (!TextUtils.isEmpty(lineName)) { TextView lineNumberView = new TextView(getContext()); lineNumberView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 13); RoundedBackgroundSpan roundedBackgroundSpan = new RoundedBackgroundSpan( LegUtil.getColor(getContext(), leg), Color.WHITE, ViewHelper.dipsToPix(getContext().getResources(), 4)); SpannableStringBuilder sb = new SpannableStringBuilder(); sb.append(lineName); sb.append(' '); sb.setSpan(roundedBackgroundSpan, 0, lineName.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE); lineNumberView.setText(sb); ViewCompat.setPaddingRelative(lineNumberView, (int) (5 * scale), (int) (1 * scale), (int) (2 * scale), 0); lineNumberView.setLayoutParams(changesLayoutParams); routeChanges.addView(lineNumberView); } } currentTransportCount++; } TextView durationText = new TextView(getContext()); durationText.setText(DateTimeUtil.formatDetailedDuration(getResources(), trip.getDuration() * 1000)); durationText.setTextColor(ContextCompat.getColor(getContext(), R.color.body_text_1)); durationText.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16); durationText.setTypeface(Typeface.DEFAULT_BOLD); timeLayout.addView(routeChanges); timeLayout.addView(durationText); RelativeLayout.LayoutParams durationTextParams = (RelativeLayout.LayoutParams) durationText .getLayoutParams(); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) { durationTextParams.addRule(RelativeLayout.ALIGN_PARENT_END); } else { durationTextParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT); } durationText.setLayoutParams(durationTextParams); View divider = new View(getContext()); ViewGroup.LayoutParams dividerParams = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 1); divider.setLayoutParams(dividerParams); this.addView(timeLayout); RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) routeChanges.getLayoutParams(); params.height = LayoutParams.MATCH_PARENT; params.addRule(RelativeLayout.CENTER_VERTICAL); routeChanges.setLayoutParams(params); this.addView(startAndEndPointLayout); this.addView(timeStartEndLayout); if (mShowDivider) { this.addView(divider); } } }