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Remove object allocations during draw

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This commit is contained in:
Alinson S. Xavier
2016-02-26 05:29:02 -05:00
parent 27220c9ab2
commit b6e7e72f5a
4 changed files with 47 additions and 32 deletions
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11
app/src/main/java/org/isoron/uhabits/views/HabitHistoryView.java
View File

@@ -51,6 +51,7 @@ public class HabitHistoryView extends ScrollableDataView
private int nDays; private int nDays;
private int todayWeekday; private int todayWeekday;
private int colors[]; private int colors[];
private Rect baseLocation;
public HabitHistoryView(Context context, Habit habit, int baseSize) public HabitHistoryView(Context context, Habit habit, int baseSize)
{ {
@@ -64,6 +65,8 @@ public class HabitHistoryView extends ScrollableDataView
wdays = DateHelper.getShortDayNames(); wdays = DateHelper.getShortDayNames();
dfMonth = new SimpleDateFormat("MMM", Locale.getDefault()); dfMonth = new SimpleDateFormat("MMM", Locale.getDefault());
dfYear = new SimpleDateFormat("yyyy", Locale.getDefault()); dfYear = new SimpleDateFormat("yyyy", Locale.getDefault());
baseLocation = new Rect();
} }
private void updateDate() private void updateDate()
@@ -140,7 +143,7 @@ public class HabitHistoryView extends ScrollableDataView
{ {
super.onDraw(canvas); super.onDraw(canvas);
Rect location = new Rect(0, 0, columnWidth - squareSpacing, columnWidth - squareSpacing); baseLocation.set(0, 0, columnWidth - squareSpacing, columnWidth - squareSpacing);
previousMonth = ""; previousMonth = "";
previousYear = ""; previousYear = "";
@@ -151,11 +154,11 @@ public class HabitHistoryView extends ScrollableDataView
for (int column = 0; column < nColumns - 1; column++) for (int column = 0; column < nColumns - 1; column++)
{ {
drawColumn(canvas, location, currentDate, column); drawColumn(canvas, baseLocation, currentDate, column);
location.offset(columnWidth, -columnHeight); baseLocation.offset(columnWidth, -columnHeight);
} }
drawAxis(canvas, location); drawAxis(canvas, baseLocation);
} }
private void drawColumn(Canvas canvas, Rect location, GregorianCalendar date, int column) private void drawColumn(Canvas canvas, Rect location, GregorianCalendar date, int column)

34
app/src/main/java/org/isoron/uhabits/views/HabitScoreView.java
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@@ -40,6 +40,7 @@ public class HabitScoreView extends ScrollableDataView
private SimpleDateFormat dfDay; private SimpleDateFormat dfDay;
private Paint pText, pGraph; private Paint pText, pGraph;
private RectF rect, prevRect;
private int[] colors; private int[] colors;
private int[] scores; private int[] scores;
@@ -82,6 +83,9 @@ public class HabitScoreView extends ScrollableDataView
dfMonth = new SimpleDateFormat("MMM", Locale.getDefault()); dfMonth = new SimpleDateFormat("MMM", Locale.getDefault());
dfDay = new SimpleDateFormat("d", Locale.getDefault()); dfDay = new SimpleDateFormat("d", Locale.getDefault());
rect = new RectF();
prevRect = new RectF();
} }
protected void fetchData() protected void fetchData()
@@ -96,14 +100,14 @@ public class HabitScoreView extends ScrollableDataView
float lineHeight = pText.getFontSpacing(); float lineHeight = pText.getFontSpacing();
RectF rGrid = new RectF(0, 0, nColumns * columnWidth, columnHeight); rect.set(0, 0, nColumns * columnWidth, columnHeight);
rGrid.offset(0, headerHeight); rect.offset(0, headerHeight);
drawGrid(canvas, rGrid); drawGrid(canvas, rect);
String previousMonth = ""; String previousMonth = "";
pGraph.setColor(habit.color); pGraph.setColor(habit.color);
RectF prevR = null; prevRect.setEmpty();
long currentDate = DateHelper.getStartOfToday(); long currentDate = DateHelper.getStartOfToday();
@@ -122,26 +126,26 @@ public class HabitScoreView extends ScrollableDataView
double sRelative = ((double) score) / Habit.MAX_SCORE; double sRelative = ((double) score) / Habit.MAX_SCORE;
int height = (int) (columnHeight * sRelative); int height = (int) (columnHeight * sRelative);
RectF r = new RectF(0, 0, columnWidth, columnWidth); rect.set(0, 0, columnWidth, columnWidth);
r.offset(k * columnWidth, rect.offset(k * columnWidth,
headerHeight + columnHeight - height - columnWidth / 2); headerHeight + columnHeight - height - columnWidth / 2);
if (prevR != null) if (!prevRect.isEmpty())
{ {
drawLine(canvas, prevR, r); drawLine(canvas, prevRect, rect);
drawMarker(canvas, prevR); drawMarker(canvas, prevRect);
} }
if (k == nColumns - 1) drawMarker(canvas, r); if (k == nColumns - 1) drawMarker(canvas, rect);
prevR = r; prevRect.set(rect);
r = new RectF(0, 0, columnWidth, columnHeight); rect.set(0, 0, columnWidth, columnHeight);
r.offset(k * columnWidth, headerHeight); rect.offset(k * columnWidth, headerHeight);
if (!month.equals(previousMonth)) if (!month.equals(previousMonth))
canvas.drawText(month, r.centerX(), r.bottom + lineHeight * 1.2f, pText); canvas.drawText(month, rect.centerX(), rect.bottom + lineHeight * 1.2f, pText);
else else
canvas.drawText(day, r.centerX(), r.bottom + lineHeight * 1.2f, pText); canvas.drawText(day, rect.centerX(), rect.bottom + lineHeight * 1.2f, pText);
previousMonth = month; previousMonth = month;
currentDate += 7 * DateHelper.millisecondsInOneDay; currentDate += 7 * DateHelper.millisecondsInOneDay;

17
app/src/main/java/org/isoron/uhabits/views/HabitStreakView.java
View File

@@ -28,6 +28,7 @@ import org.isoron.uhabits.models.Streak;
import java.text.SimpleDateFormat; import java.text.SimpleDateFormat;
import java.util.List; import java.util.List;
import java.util.Locale;
public class HabitStreakView extends ScrollableDataView public class HabitStreakView extends ScrollableDataView
{ {
@@ -36,6 +37,8 @@ public class HabitStreakView extends ScrollableDataView
private List<Streak> streaks; private List<Streak> streaks;
private long maxStreakLength; private long maxStreakLength;
private int[] colors; private int[] colors;
private SimpleDateFormat dfMonth;
private Rect rect;
public HabitStreakView(Context context, Habit habit, int columnWidth) public HabitStreakView(Context context, Habit habit, int columnWidth)
{ {
@@ -45,6 +48,9 @@ public class HabitStreakView extends ScrollableDataView
setDimensions(columnWidth); setDimensions(columnWidth);
createPaints(); createPaints();
createColors(); createColors();
dfMonth = new SimpleDateFormat("MMM", Locale.getDefault());
rect = new Rect();
} }
private void setDimensions(int baseSize) private void setDimensions(int baseSize)
@@ -97,7 +103,6 @@ public class HabitStreakView extends ScrollableDataView
int nStreaks = streaks.size(); int nStreaks = streaks.size();
int start = nStreaks - nColumns - dataOffset; int start = nStreaks - nColumns - dataOffset;
SimpleDateFormat dfMonth = new SimpleDateFormat("MMM");
String previousMonth = ""; String previousMonth = "";
@@ -112,14 +117,14 @@ public class HabitStreakView extends ScrollableDataView
pBar.setColor(colors[(int) Math.floor(lRelative * 3)]); pBar.setColor(colors[(int) Math.floor(lRelative * 3)]);
int height = (int) (columnHeight * lRelative); int height = (int) (columnHeight * lRelative);
Rect r = new Rect(0, 0, columnWidth - 2, height); rect.set(0, 0, columnWidth - 2, height);
r.offset(offset * columnWidth, headerHeight + columnHeight - height); rect.offset(offset * columnWidth, headerHeight + columnHeight - height);
canvas.drawRect(r, pBar); canvas.drawRect(rect, pBar);
canvas.drawText(Long.toString(l), r.centerX(), r.top - barHeaderOffset, pBar); canvas.drawText(Long.toString(l), rect.centerX(), rect.top - barHeaderOffset, pBar);
if (!month.equals(previousMonth)) if (!month.equals(previousMonth))
canvas.drawText(month, r.centerX(), r.bottom + lineHeight * 1.2f, pText); canvas.drawText(month, rect.centerX(), rect.bottom + lineHeight * 1.2f, pText);
previousMonth = month; previousMonth = month;
} }

17
app/src/main/java/org/isoron/uhabits/views/RingView.java
View File

@@ -32,6 +32,7 @@ public class RingView extends View
private Paint pRing; private Paint pRing;
private float lineHeight; private float lineHeight;
private String label; private String label;
private RectF rect;
public RingView(Context context, int size, int color, float perc, String label) public RingView(Context context, int size, int color, float perc, String label)
{ {
@@ -45,6 +46,8 @@ public class RingView extends View
pRing.setAntiAlias(true); pRing.setAntiAlias(true);
pRing.setTextAlign(Paint.Align.CENTER); pRing.setTextAlign(Paint.Align.CENTER);
rect = new RectF();
this.label = label; this.label = label;
} }
@@ -62,21 +65,21 @@ public class RingView extends View
float thickness = size * 0.15f; float thickness = size * 0.15f;
pRing.setColor(color); pRing.setColor(color);
RectF r = new RectF(0, 0, size, size); rect.set(0, 0, size, size);
canvas.drawArc(r, -90, 360 * perc, true, pRing); canvas.drawArc(rect, -90, 360 * perc, true, pRing);
pRing.setColor(Color.rgb(230, 230, 230)); pRing.setColor(Color.rgb(230, 230, 230));
canvas.drawArc(r, 360 * perc - 90 + 2, 360 * (1 - perc) - 4, true, pRing); canvas.drawArc(rect, 360 * perc - 90 + 2, 360 * (1 - perc) - 4, true, pRing);
pRing.setColor(Color.WHITE); pRing.setColor(Color.WHITE);
r.inset(thickness, thickness); rect.inset(thickness, thickness);
canvas.drawArc(r, -90, 360, true, pRing); canvas.drawArc(rect, -90, 360, true, pRing);
pRing.setColor(Color.GRAY); pRing.setColor(Color.GRAY);
pRing.setTextSize(size * 0.2f); pRing.setTextSize(size * 0.2f);
lineHeight = pRing.getFontSpacing(); lineHeight = pRing.getFontSpacing();
canvas.drawText(String.format("%.0f%%", perc * 100), r.centerX(), canvas.drawText(String.format("%.0f%%", perc * 100), rect.centerX(),
r.centerY() + lineHeight / 3, pRing); rect.centerY() + lineHeight / 3, pRing);
pRing.setTextSize(size * 0.15f); pRing.setTextSize(size * 0.15f);
canvas.drawText(label, size / 2, size + lineHeight * 1.2f, pRing); canvas.drawText(label, size / 2, size + lineHeight * 1.2f, pRing);