forked from upstream-mirrors/OpenTracks
Fix several Android lint warnings using ADT 17.
This commit is contained in:
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/*
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* Copyright 2011 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.android.apps.mytracks.maps;
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import com.google.android.apps.mytracks.ColoredPath;
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import com.google.android.apps.mytracks.MapOverlay.CachedLocation;
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import com.google.android.maps.GeoPoint;
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import com.google.android.maps.Projection;
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import com.google.android.maps.mytracks.R;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Path;
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import android.graphics.Point;
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import android.graphics.Rect;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* A path painter that varies the path colors based on fixed speeds or average speed margin
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* depending of the TrackPathDescriptor passed to its constructor.
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*
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* @author Vangelis S.
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*/
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public class DynamicSpeedTrackPathPainter implements TrackPathPainter {
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private final Paint selectedTrackPaintSlow;
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private final Paint selectedTrackPaintMedium;
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private final Paint selectedTrackPaintFast;
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private final List<ColoredPath> coloredPaths;
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private final TrackPathDescriptor trackPathDescriptor;
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private int slowSpeed;
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private int normalSpeed;
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public DynamicSpeedTrackPathPainter (Context context, TrackPathDescriptor trackPathDescriptor) {
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this.trackPathDescriptor = trackPathDescriptor;
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selectedTrackPaintSlow = TrackPathUtilities.getPaint(R.color.slow_path, context);
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selectedTrackPaintMedium = TrackPathUtilities.getPaint(R.color.normal_path, context);
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selectedTrackPaintFast = TrackPathUtilities.getPaint(R.color.fast_path, context);
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this.coloredPaths = new ArrayList<ColoredPath>();
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}
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@Override
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public void drawTrack(Canvas canvas) {
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for(int i = 0; i < coloredPaths.size(); ++i) {
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ColoredPath coloredPath = coloredPaths.get(i);
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canvas.drawPath(coloredPath.getPath(), coloredPath.getPathPaint());
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}
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}
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@Override
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public void updatePath(Projection projection, Rect viewRect, int startLocationIdx,
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Boolean alwaysVisible, List<CachedLocation> points) {
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// Whether to start a new segment on new valid and visible point.
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boolean newSegment = startLocationIdx <= 0 || !points.get(startLocationIdx - 1).valid;
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boolean lastVisible = !newSegment;
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final Point pt = new Point();
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clear();
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slowSpeed = trackPathDescriptor.getSlowSpeed();
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normalSpeed = trackPathDescriptor.getNormalSpeed();
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// Loop over track points.
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for (int i = startLocationIdx; i < points.size(); ++i) {
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CachedLocation loc = points.get(i);
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// Check if valid, if not then indicate a new segment.
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if (!loc.valid) {
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newSegment = true;
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continue;
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}
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final GeoPoint geoPoint = loc.geoPoint;
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// Check if this breaks the existing segment.
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boolean visible = alwaysVisible || viewRect.contains(
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geoPoint.getLongitudeE6(), geoPoint.getLatitudeE6());
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if (!visible && !lastVisible) {
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// This is a point outside view not connected to a visible one.
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newSegment = true;
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}
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lastVisible = visible;
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// Either move to beginning of a new segment or continue the old one.
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if (newSegment) {
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projection.toPixels(geoPoint, pt);
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newSegment = false;
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} else {
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ColoredPath coloredPath;
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if(loc.speed <= slowSpeed) {
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coloredPath = new ColoredPath(selectedTrackPaintSlow);
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}
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else if(loc.speed <= normalSpeed) {
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coloredPath = new ColoredPath(selectedTrackPaintMedium);
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} else {
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coloredPath = new ColoredPath(selectedTrackPaintFast);
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}
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coloredPath.getPath().moveTo(pt.x, pt.y);
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projection.toPixels(geoPoint, pt);
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coloredPath.getPath().lineTo(pt.x, pt.y);
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coloredPaths.add(coloredPath);
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}
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}
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}
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@Override
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public void clear()
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{
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coloredPaths.clear();
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}
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@Override
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public boolean needsRedraw() {
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return trackPathDescriptor.needsRedraw();
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}
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@Override
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public Path getLastPath() {
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Path path = new Path();
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for(int i = 0; i < coloredPaths.size(); ++i) {
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path.addPath(coloredPaths.get(i).getPath());
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}
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return path;
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}
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}
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