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Refactor BatteryChartView X-axis labels. Instead of

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only timestamps, also support any string[] labels.

Bug: 236101166
Test: manual
Change-Id: I84763ccce0ee63da0b5b26e1416bf5bd5b58963d
This commit is contained in:
Zaiyue Xue
2022-07-15 16:11:53 +08:00
parent 661c035a1e
commit 24bc269ec1
3 changed files with 68 additions and 64 deletions
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10
src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceControllerV2.java
View File

@@ -588,9 +588,13 @@ public class BatteryChartPreferenceControllerV2 extends AbstractPreferenceContro
if (mBatteryChartView == null || mBatteryHistoryKeys == null) {
return;
}
final long latestTimestamp =
mBatteryHistoryKeys[mBatteryHistoryKeys.length - 1];
mBatteryChartView.setLatestTimestamp(latestTimestamp);
final boolean is24HourFormat = DateFormat.is24HourFormat(mContext);
final String[] labels = new String[mBatteryHistoryKeys.length];
for (int i = 0; i < mBatteryHistoryKeys.length; i++) {
labels[i] = ConvertUtils.utcToLocalTimeHour(mContext, mBatteryHistoryKeys[i],
is24HourFormat);
}
mBatteryChartView.setAxisLabels(labels);
}
private void addFooterPreferenceIfNeeded(boolean containAppItems) {

112
src/com/android/settings/fuelgauge/batteryusage/BatteryChartViewV2.java
View File

@@ -20,6 +20,7 @@ import static com.android.settings.Utils.formatPercentage;
import static java.lang.Math.round;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.annotation.NonNull;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
@@ -29,8 +30,6 @@ import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Rect;
import android.os.Handler;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.view.HapticFeedbackConstants;
@@ -46,7 +45,6 @@ import com.android.settings.R;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.Utils;
import java.time.Clock;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
@@ -59,8 +57,8 @@ public class BatteryChartViewV2 extends AppCompatImageView implements View.OnCli
Arrays.asList("SwitchAccessService", "TalkBackService", "JustSpeakService");
private static final int DEFAULT_TRAPEZOID_COUNT = 12;
private static final int DEFAULT_TIMESTAMP_COUNT = 4;
private static final int TIMESTAMP_GAPS_COUNT = DEFAULT_TIMESTAMP_COUNT - 1;
private static final int DEFAULT_AXIS_LABEL_COUNT = 4;
private static final int AXIS_LABEL_GAPS_COUNT = DEFAULT_AXIS_LABEL_COUNT - 1;
private static final int DIVIDER_COLOR = Color.parseColor("#CDCCC5");
private static final long UPDATE_STATE_DELAYED_TIME = 500L;
@@ -87,7 +85,7 @@ public class BatteryChartViewV2 extends AppCompatImageView implements View.OnCli
@VisibleForTesting
int mSelectedIndex = SELECTED_INDEX_INVALID;
@VisibleForTesting
String[] mTimestamps;
String[] mAxisLabels;
// Colors for drawing the trapezoid shape and dividers.
private int mTrapezoidColor;
@@ -98,8 +96,8 @@ public class BatteryChartViewV2 extends AppCompatImageView implements View.OnCli
private final Rect mIndent = new Rect();
private final Rect[] mPercentageBounds =
new Rect[]{new Rect(), new Rect(), new Rect()};
// For drawing the timestamp information.
private final Rect[] mTimestampsBounds =
// For drawing the axis label information.
private final Rect[] mAxisLabelsBounds =
new Rect[]{new Rect(), new Rect(), new Rect(), new Rect()};
@VisibleForTesting
@@ -131,7 +129,6 @@ public class BatteryChartViewV2 extends AppCompatImageView implements View.OnCli
setSelectedIndex(SELECTED_INDEX_ALL);
setTrapezoidCount(DEFAULT_TRAPEZOID_COUNT);
setClickable(false);
setLatestTimestamp(0);
}
/** Sets the total trapezoid count for drawing. */
@@ -199,24 +196,22 @@ public class BatteryChartViewV2 extends AppCompatImageView implements View.OnCli
requestLayout();
}
/** Sets the latest timestamp for drawing into x-axis information. */
public void setLatestTimestamp(long latestTimestamp) {
if (latestTimestamp == 0) {
latestTimestamp = Clock.systemUTC().millis();
/**
* Sets the X-axis labels list for each level. This class will choose some labels among the
* input list to show.
*
* @param labels The length of this parameter should be the same as the length of
* {@code levels}.
*/
public void setAxisLabels(@NonNull String[] labels) {
if (mAxisLabels == null) {
mAxisLabels = new String[DEFAULT_AXIS_LABEL_COUNT];
}
if (mTimestamps == null) {
mTimestamps = new String[DEFAULT_TIMESTAMP_COUNT];
}
final long timeSlotOffset =
DateUtils.HOUR_IN_MILLIS * (/*total 24 hours*/ 24 / TIMESTAMP_GAPS_COUNT);
final boolean is24HourFormat = DateFormat.is24HourFormat(getContext());
for (int index = 0; index < DEFAULT_TIMESTAMP_COUNT; index++) {
mTimestamps[index] =
ConvertUtils.utcToLocalTimeHour(
getContext(),
latestTimestamp - (TIMESTAMP_GAPS_COUNT - index)
* timeSlotOffset,
is24HourFormat);
// Current logic is always showing {@code AXIS_LABEL_GAPS_COUNT} labels.
// TODO: Support different count of labels for different levels sizes.
final int step = (labels.length - 1) / AXIS_LABEL_GAPS_COUNT;
for (int index = 0; index < DEFAULT_AXIS_LABEL_COUNT; index++) {
mAxisLabels[index] = labels[index * step];
}
requestLayout();
}
@@ -235,13 +230,13 @@ public class BatteryChartViewV2 extends AppCompatImageView implements View.OnCli
mIndent.top = mPercentageBounds[0].height();
mIndent.right = mPercentageBounds[0].width() + mTextPadding;
if (mTimestamps != null) {
if (mAxisLabels != null) {
int maxHeight = 0;
for (int index = 0; index < DEFAULT_TIMESTAMP_COUNT; index++) {
for (int index = 0; index < DEFAULT_AXIS_LABEL_COUNT; index++) {
mTextPaint.getTextBounds(
mTimestamps[index], 0, mTimestamps[index].length(),
mTimestampsBounds[index]);
maxHeight = Math.max(maxHeight, mTimestampsBounds[index].height());
mAxisLabels[index], 0, mAxisLabels[index].length(),
mAxisLabelsBounds[index]);
maxHeight = Math.max(maxHeight, mAxisLabelsBounds[index].height());
}
mIndent.bottom = maxHeight + round(mTextPadding * 1.5f);
}
@@ -463,47 +458,50 @@ public class BatteryChartViewV2 extends AppCompatImageView implements View.OnCli
}
startX = nextX;
}
// Draws the timestamp slot information.
if (mTimestamps != null) {
final float[] xOffsets = new float[DEFAULT_TIMESTAMP_COUNT];
// Draws the axis label slot information.
if (mAxisLabels != null) {
final float[] xOffsets = new float[DEFAULT_AXIS_LABEL_COUNT];
final float baselineX = mDividerWidth * .5f;
final float offsetX = mDividerWidth + unitWidth;
final int slotBarOffset = (/*total 12 bars*/ 12) / TIMESTAMP_GAPS_COUNT;
for (int index = 0; index < DEFAULT_TIMESTAMP_COUNT; index++) {
// TODO: Support different count of labels for different levels sizes.
final int slotBarOffset = (/*total 12 bars*/ 12) / AXIS_LABEL_GAPS_COUNT;
for (int index = 0; index < DEFAULT_AXIS_LABEL_COUNT; index++) {
xOffsets[index] = baselineX + index * offsetX * slotBarOffset;
}
drawTimestamp(canvas, xOffsets);
drawAxisLabel(canvas, xOffsets);
}
}
private void drawTimestamp(Canvas canvas, float[] xOffsets) {
// Draws the 1st timestamp info.
private void drawAxisLabel(Canvas canvas, float[] xOffsets) {
// Draws the 1st axis label info.
canvas.drawText(
mTimestamps[0],
xOffsets[0] - mTimestampsBounds[0].left,
getTimestampY(0), mTextPaint);
final int latestIndex = DEFAULT_TIMESTAMP_COUNT - 1;
// Draws the last timestamp info.
mAxisLabels[0], xOffsets[0] - mAxisLabelsBounds[0].left, getAxisLabelY(0),
mTextPaint);
final int latestIndex = DEFAULT_AXIS_LABEL_COUNT - 1;
// Draws the last axis label info.
canvas.drawText(
mTimestamps[latestIndex],
xOffsets[latestIndex] - mTimestampsBounds[latestIndex].width()
- mTimestampsBounds[latestIndex].left,
getTimestampY(latestIndex), mTextPaint);
// Draws the rest of timestamp info since it is located in the center.
for (int index = 1; index <= DEFAULT_TIMESTAMP_COUNT - 2; index++) {
mAxisLabels[latestIndex],
xOffsets[latestIndex]
- mAxisLabelsBounds[latestIndex].width()
- mAxisLabelsBounds[latestIndex].left,
getAxisLabelY(latestIndex),
mTextPaint);
// Draws the rest of axis label info since it is located in the center.
for (int index = 1; index <= DEFAULT_AXIS_LABEL_COUNT - 2; index++) {
canvas.drawText(
mTimestamps[index],
mAxisLabels[index],
xOffsets[index]
- (mTimestampsBounds[index].width() - mTimestampsBounds[index].left)
- (mAxisLabelsBounds[index].width() - mAxisLabelsBounds[index].left)
* .5f,
getTimestampY(index), mTextPaint);
getAxisLabelY(index),
mTextPaint);
}
}
private int getTimestampY(int index) {
return getHeight() - mTimestampsBounds[index].height()
+ (mTimestampsBounds[index].height() + mTimestampsBounds[index].top)
private int getAxisLabelY(int index) {
return getHeight()
- mAxisLabelsBounds[index].height()
+ (mAxisLabelsBounds[index].height() + mAxisLabelsBounds[index].top)
+ round(mTextPadding * 1.5f);
}