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Merge "Make ellipsize retry if text doesn't fit"

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This commit is contained in:
TreeHugger Robot
2017-08-02 16:24:55 +00:00
committed by Android (Google) Code Review
parent 2710473544 1051bbe325
commit 6f88195085
4 changed files with 284 additions and 163 deletions
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4
core/java/android/text/Layout.java
View File

@@ -2067,9 +2067,11 @@ public abstract class Layout {
final String ellipsisString = TextUtils.getEllipsisString(method);
final int ellipsisStringLen = ellipsisString.length();
// Use the ellipsis string only if there are that at least as many characters to replace.
final boolean useEllipsisString = ellipsisCount >= ellipsisStringLen;
for (int i = 0; i < ellipsisCount; i++) {
final char c;
if (i < ellipsisStringLen && ellipsisCount <= ellipsisStringLen) {
if (useEllipsisString && i < ellipsisStringLen) {
c = ellipsisString.charAt(i);
} else {
c = TextUtils.ELLIPSIS_FILLER;

252
core/java/android/text/StaticLayout.java
View File

@@ -559,7 +559,7 @@ public class StaticLayout extends Layout {
Builder.recycle(b);
}
/* package */ StaticLayout(CharSequence text) {
/* package */ StaticLayout(@Nullable CharSequence text) {
super(text, null, 0, null, 0, 0);
mColumns = COLUMNS_ELLIPSIZE;
@@ -601,7 +601,7 @@ public class StaticLayout extends Layout {
}
/* package */ void generate(Builder b, boolean includepad, boolean trackpad) {
CharSequence source = b.mText;
final CharSequence source = b.mText;
int bufStart = b.mStart;
int bufEnd = b.mEnd;
TextPaint paint = b.mPaint;
@@ -720,7 +720,7 @@ public class StaticLayout extends Layout {
// TODO: Support more justification mode, e.g. letter spacing, stretching.
b.mJustificationMode != Layout.JUSTIFICATION_MODE_NONE);
if (mLeftIndents != null || mRightIndents != null) {
// TODO(raph) performance: it would be better to do this once per layout rather
// TODO(performance): it would be better to do this once per layout rather
// than once per paragraph, but that would require a change to the native
// interface.
int leftLen = mLeftIndents == null ? 0 : mLeftIndents.length;
@@ -807,7 +807,7 @@ public class StaticLayout extends Layout {
width += widths[j];
}
}
flag |= flags[i] & TAB_MASK;
flag |= flags[i] & TAB_MASK; // XXX May need to also have starting hyphen edit
}
// Treat the last line and overflowed lines as a single line.
breaks[remainingLineCount - 1] = breaks[breakCount - 1];
@@ -909,17 +909,16 @@ public class StaticLayout extends Layout {
}
}
private int out(CharSequence text, int start, int end,
int above, int below, int top, int bottom, int v,
float spacingmult, float spacingadd,
LineHeightSpan[] chooseHt, int[] chooseHtv,
Paint.FontMetricsInt fm, int flags,
boolean needMultiply, byte[] chdirs, int dir,
boolean easy, int bufEnd, boolean includePad,
boolean trackPad, boolean addLastLineLineSpacing, char[] chs,
float[] widths, int widthStart, TextUtils.TruncateAt ellipsize,
float ellipsisWidth, float textWidth,
TextPaint paint, boolean moreChars) {
// The parameters that are not changed in the method are marked as final to make the code
// easier to understand.
private int out(final CharSequence text, final int start, final int end, int above, int below,
int top, int bottom, int v, final float spacingmult, final float spacingadd,
final LineHeightSpan[] chooseHt, final int[] chooseHtv, final Paint.FontMetricsInt fm,
final int flags, final boolean needMultiply, final byte[] chdirs, final int dir,
final boolean easy, final int bufEnd, final boolean includePad, final boolean trackPad,
final boolean addLastLineLineSpacing, final char[] chs, final float[] widths,
final int widthStart, final TextUtils.TruncateAt ellipsize, final float ellipsisWidth,
final float textWidth, final TextPaint paint, final boolean moreChars) {
final int j = mLineCount;
final int off = j * mColumns;
final int want = off + mColumns + TOP;
@@ -939,30 +938,30 @@ public class StaticLayout extends Layout {
mLineDirections = grow;
}
if (chooseHt != null) {
fm.ascent = above;
fm.descent = below;
fm.top = top;
fm.bottom = bottom;
lines[off + START] = start;
lines[off + TOP] = v;
for (int i = 0; i < chooseHt.length; i++) {
if (chooseHt[i] instanceof LineHeightSpan.WithDensity) {
((LineHeightSpan.WithDensity) chooseHt[i]).
chooseHeight(text, start, end, chooseHtv[i], v, fm, paint);
// Information about hyphenation, tabs, and directions are needed for determining
// ellipsization, so the values should be assigned before ellipsization.
} else {
chooseHt[i].chooseHeight(text, start, end, chooseHtv[i], v, fm);
}
}
// TODO: could move TAB to share same column as HYPHEN, simplifying this code and gaining
// one bit for start field
lines[off + TAB] |= flags & TAB_MASK;
lines[off + HYPHEN] = flags;
above = fm.ascent;
below = fm.descent;
top = fm.top;
bottom = fm.bottom;
lines[off + DIR] |= dir << DIR_SHIFT;
// easy means all chars < the first RTL, so no emoji, no nothing
// XXX a run with no text or all spaces is easy but might be an empty
// RTL paragraph. Make sure easy is false if this is the case.
if (easy) {
mLineDirections[j] = DIRS_ALL_LEFT_TO_RIGHT;
} else {
mLineDirections[j] = AndroidBidi.directions(dir, chdirs, start - widthStart, chs,
start - widthStart, end - start);
}
boolean firstLine = (j == 0);
boolean currentLineIsTheLastVisibleOne = (j + 1 == mMaximumVisibleLineCount);
final boolean firstLine = (j == 0);
final boolean currentLineIsTheLastVisibleOne = (j + 1 == mMaximumVisibleLineCount);
if (ellipsize != null) {
// If there is only one line, then do any type of ellipsis except when it is MARQUEE
@@ -975,9 +974,9 @@ public class StaticLayout extends Layout {
(!firstLine && (currentLineIsTheLastVisibleOne || !moreChars) &&
ellipsize == TextUtils.TruncateAt.END);
if (doEllipsis) {
calculateEllipsis(start, end, widths, widthStart,
ellipsisWidth, ellipsize, j,
textWidth, paint, forceEllipsis);
calculateEllipsis(text, start, end, widths, widthStart,
ellipsisWidth - getTotalInsets(j), ellipsize, j,
textWidth, paint, forceEllipsis, dir);
}
}
@@ -996,6 +995,28 @@ public class StaticLayout extends Layout {
}
}
if (chooseHt != null) {
fm.ascent = above;
fm.descent = below;
fm.top = top;
fm.bottom = bottom;
for (int i = 0; i < chooseHt.length; i++) {
if (chooseHt[i] instanceof LineHeightSpan.WithDensity) {
((LineHeightSpan.WithDensity) chooseHt[i])
.chooseHeight(text, start, end, chooseHtv[i], v, fm, paint);
} else {
chooseHt[i].chooseHeight(text, start, end, chooseHtv[i], v, fm);
}
}
above = fm.ascent;
below = fm.descent;
top = fm.top;
bottom = fm.bottom;
}
if (firstLine) {
if (trackPad) {
mTopPadding = top - above;
@@ -1006,8 +1027,6 @@ public class StaticLayout extends Layout {
}
}
int extra;
if (lastLine) {
if (trackPad) {
mBottomPadding = bottom - below;
@@ -1018,8 +1037,9 @@ public class StaticLayout extends Layout {
}
}
final int extra;
if (needMultiply && (addLastLineLineSpacing || !lastLine)) {
double ex = (below - above) * (spacingmult - 1) + spacingadd;
final double ex = (below - above) * (spacingmult - 1) + spacingadd;
if (ex >= 0) {
extra = (int)(ex + EXTRA_ROUNDING);
} else {
@@ -1029,8 +1049,6 @@ public class StaticLayout extends Layout {
extra = 0;
}
lines[off + START] = start;
lines[off + TOP] = v;
lines[off + DESCENT] = below + extra;
lines[off + EXTRA] = extra;
@@ -1038,7 +1056,7 @@ public class StaticLayout extends Layout {
// store the height as if it was ellipsized
if (!mEllipsized && currentLineIsTheLastVisibleOne) {
// below calculation as if it was the last line
int maxLineBelow = includePad ? bottom : below;
final int maxLineBelow = includePad ? bottom : below;
// similar to the calculation of v below, without the extra.
mMaxLineHeight = v + (maxLineBelow - above);
}
@@ -1047,33 +1065,13 @@ public class StaticLayout extends Layout {
lines[off + mColumns + START] = end;
lines[off + mColumns + TOP] = v;
// TODO: could move TAB to share same column as HYPHEN, simplifying this code and gaining
// one bit for start field
lines[off + TAB] |= flags & TAB_MASK;
lines[off + HYPHEN] = flags;
lines[off + DIR] |= dir << DIR_SHIFT;
Directions linedirs = DIRS_ALL_LEFT_TO_RIGHT;
// easy means all chars < the first RTL, so no emoji, no nothing
// XXX a run with no text or all spaces is easy but might be an empty
// RTL paragraph. Make sure easy is false if this is the case.
if (easy) {
mLineDirections[j] = linedirs;
} else {
mLineDirections[j] = AndroidBidi.directions(dir, chdirs, start - widthStart, chs,
start - widthStart, end - start);
}
mLineCount++;
return v;
}
private void calculateEllipsis(int lineStart, int lineEnd,
float[] widths, int widthStart,
float avail, TextUtils.TruncateAt where,
int line, float textWidth, TextPaint paint,
boolean forceEllipsis) {
avail -= getTotalInsets(line);
private void calculateEllipsis(CharSequence text, int lineStart, int lineEnd, float[] widths,
int widthStart, float avail, TextUtils.TruncateAt where, int line, float textWidth,
TextPaint paint, boolean forceEllipsis, int dir) {
if (textWidth <= avail && !forceEllipsis) {
// Everything fits!
mLines[mColumns * line + ELLIPSIS_START] = 0;
@@ -1081,11 +1079,47 @@ public class StaticLayout extends Layout {
return;
}
float ellipsisWidth = paint.measureText(TextUtils.getEllipsisString(where));
int ellipsisStart = 0;
int ellipsisCount = 0;
int len = lineEnd - lineStart;
float tempAvail = avail;
int numberOfTries = 0;
boolean lineFits = false;
do {
final float ellipsizedWidth = guessEllipsis(text, lineStart, lineEnd, widths,
widthStart, tempAvail, where, line, textWidth, paint, forceEllipsis, dir);
if (ellipsizedWidth <= avail) {
lineFits = true;
} else {
numberOfTries++;
if (numberOfTries > 10) {
// If the text still doesn't fit after ten tries, assume it will never fit and
// ellipsize it all.
mLines[mColumns * line + ELLIPSIS_START] = 0;
mLines[mColumns * line + ELLIPSIS_COUNT] = lineEnd - lineStart;
lineFits = true;
} else {
// Some side effect of ellipsization has caused the text to go over the
// available width. Let's make the available width shorter by exactly that
// amount and retry.
tempAvail -= ellipsizedWidth - avail;
}
}
} while (!lineFits);
mEllipsized = true;
}
// Returns the width of the ellipsized line which in some rare cases can actually be larger
// than 'avail' (due to kerning or other context-based effect of replacement of text by
// ellipsis). If all the line needs to ellipsized away, or it's an invalud hyphenation mode,
// returns 0 so the caller can stop iterating.
private float guessEllipsis(CharSequence text, int lineStart, int lineEnd, float[] widths,
int widthStart, float avail, TextUtils.TruncateAt where, int line, float textWidth,
TextPaint paint, boolean forceEllipsis, int dir) {
final float ellipsisWidth = paint.measureText(TextUtils.getEllipsisString(where));
final int ellipsisStart;
final int ellipsisCount;
final int len = lineEnd - lineStart;
final int offset = lineStart - widthStart;
int hyphen = getHyphen(line);
// We only support start ellipsis on a single line
if (where == TextUtils.TruncateAt.START) {
if (mMaximumVisibleLineCount == 1) {
@@ -1093,9 +1127,9 @@ public class StaticLayout extends Layout {
int i;
for (i = len; i > 0; i--) {
float w = widths[i - 1 + lineStart - widthStart];
final float w = widths[i - 1 + offset];
if (w + sum + ellipsisWidth > avail) {
while (i < len && widths[i + lineStart - widthStart] == 0.0f) {
while (i < len && widths[i + offset] == 0.0f) {
i++;
}
break;
@@ -1106,9 +1140,13 @@ public class StaticLayout extends Layout {
ellipsisStart = 0;
ellipsisCount = i;
// Strip the potential hyphenation at beginning of line.
hyphen &= ~Paint.HYPHENEDIT_MASK_START_OF_LINE;
} else {
ellipsisStart = 0;
ellipsisCount = 0;
if (Log.isLoggable(TAG, Log.WARN)) {
Log.w(TAG, "Start Ellipsis only supported with one line");
Log.w(TAG, "Start ellipsis only supported with one line");
}
}
} else if (where == TextUtils.TruncateAt.END || where == TextUtils.TruncateAt.MARQUEE ||
@@ -1117,7 +1155,7 @@ public class StaticLayout extends Layout {
int i;
for (i = 0; i < len; i++) {
float w = widths[i + lineStart - widthStart];
final float w = widths[i + offset];
if (w + sum + ellipsisWidth > avail) {
break;
@@ -1126,24 +1164,27 @@ public class StaticLayout extends Layout {
sum += w;
}
ellipsisStart = i;
ellipsisCount = len - i;
if (forceEllipsis && ellipsisCount == 0 && len > 0) {
if (forceEllipsis && i == len && len > 0) {
ellipsisStart = len - 1;
ellipsisCount = 1;
} else {
ellipsisStart = i;
ellipsisCount = len - i;
}
} else {
// where = TextUtils.TruncateAt.MIDDLE We only support middle ellipsis on a single line
// Strip the potential hyphenation at end of line.
hyphen &= ~Paint.HYPHENEDIT_MASK_END_OF_LINE;
} else { // where = TextUtils.TruncateAt.MIDDLE
// We only support middle ellipsis on a single line.
if (mMaximumVisibleLineCount == 1) {
float lsum = 0, rsum = 0;
int left = 0, right = len;
float ravail = (avail - ellipsisWidth) / 2;
final float ravail = (avail - ellipsisWidth) / 2;
for (right = len; right > 0; right--) {
float w = widths[right - 1 + lineStart - widthStart];
final float w = widths[right - 1 + offset];
if (w + rsum > ravail) {
while (right < len && widths[right + lineStart - widthStart] == 0.0f) {
while (right < len && widths[right + offset] == 0.0f) {
right++;
}
break;
@@ -1151,9 +1192,9 @@ public class StaticLayout extends Layout {
rsum += w;
}
float lavail = avail - ellipsisWidth - rsum;
final float lavail = avail - ellipsisWidth - rsum;
for (left = 0; left < right; left++) {
float w = widths[left + lineStart - widthStart];
final float w = widths[left + offset];
if (w + lsum > lavail) {
break;
@@ -1165,14 +1206,53 @@ public class StaticLayout extends Layout {
ellipsisStart = left;
ellipsisCount = right - left;
} else {
ellipsisStart = 0;
ellipsisCount = 0;
if (Log.isLoggable(TAG, Log.WARN)) {
Log.w(TAG, "Middle Ellipsis only supported with one line");
Log.w(TAG, "Middle ellipsis only supported with one line");
}
}
}
mEllipsized = true;
mLines[mColumns * line + ELLIPSIS_START] = ellipsisStart;
mLines[mColumns * line + ELLIPSIS_COUNT] = ellipsisCount;
if (ellipsisStart == 0 && (ellipsisCount == 0 || ellipsisCount == len)) {
// Unsupported ellipsization mode or all text is ellipsized away. Return 0.
return 0.0f;
}
final boolean isSpanned = text instanceof Spanned;
final Ellipsizer ellipsizedText = isSpanned
? new SpannedEllipsizer(text)
: new Ellipsizer(text);
ellipsizedText.mLayout = this;
ellipsizedText.mMethod = where;
final boolean hasTabs = getLineContainsTab(line);
final TabStops tabStops;
if (hasTabs && isSpanned) {
final TabStopSpan[] tabs = getParagraphSpans((Spanned) ellipsizedText, lineStart,
lineEnd, TabStopSpan.class);
if (tabs.length == 0) {
tabStops = null;
} else {
tabStops = new TabStops(TAB_INCREMENT, tabs);
}
} else {
tabStops = null;
}
final TextLine textline = TextLine.obtain();
paint.setHyphenEdit(hyphen);
textline.set(paint, ellipsizedText, lineStart, lineEnd, dir, getLineDirections(line),
hasTabs, tabStops);
// Since TextLine.metric() returns negative values for RTL text, multiplication by dir
// converts it to an actual width. Note that we don't want to use the absolute value,
// since we may actually have glyphs with negative advances, which by definition always
// fit.
final float ellipsizedWidth = textline.metrics(null) * dir;
paint.setHyphenEdit(0);
TextLine.recycle(textline);
return ellipsizedWidth;
}
private float getTotalInsets(int line) {

189
core/java/android/text/TextUtils.java
View File

@@ -89,8 +89,8 @@ public class TextUtils {
/** {@hide} */
@NonNull
public static String getEllipsisString(@NonNull TextUtils.TruncateAt method) {
return (method == TextUtils.TruncateAt.END_SMALL) ? ELLIPSIS_TWO_DOTS : ELLIPSIS_NORMAL;
public static String getEllipsisString(@NonNull TruncateAt method) {
return (method == TruncateAt.END_SMALL) ? ELLIPSIS_TWO_DOTS : ELLIPSIS_NORMAL;
}
@@ -1187,9 +1187,11 @@ public class TextUtils {
* or, if it does not fit, a truncated
* copy with ellipsis character added at the specified edge or center.
*/
public static CharSequence ellipsize(CharSequence text,
TextPaint p,
float avail, TruncateAt where) {
@NonNull
public static CharSequence ellipsize(@NonNull CharSequence text,
@NonNull TextPaint p,
@FloatRange(from = 0.0) float avail,
@NonNull TruncateAt where) {
return ellipsize(text, p, avail, where, false, null);
}
@@ -1205,9 +1207,11 @@ public class TextUtils {
* report the start and end of the ellipsized range. TextDirection
* is determined by the first strong directional character.
*/
public static CharSequence ellipsize(CharSequence text,
TextPaint paint,
float avail, TruncateAt where,
@NonNull
public static CharSequence ellipsize(@NonNull CharSequence text,
@NonNull TextPaint paint,
@FloatRange(from = 0.0) float avail,
@NonNull TruncateAt where,
boolean preserveLength,
@Nullable EllipsizeCallback callback) {
return ellipsize(text, paint, avail, where, preserveLength, callback,
@@ -1228,16 +1232,19 @@ public class TextUtils {
*
* @hide
*/
public static CharSequence ellipsize(CharSequence text,
TextPaint paint,
float avail, TruncateAt where,
@NonNull
public static CharSequence ellipsize(@NonNull CharSequence text,
@NonNull TextPaint paint,
@FloatRange(from = 0.0) float avail,
@NonNull TruncateAt where,
boolean preserveLength,
@Nullable EllipsizeCallback callback,
TextDirectionHeuristic textDir, String ellipsis) {
@NonNull TextDirectionHeuristic textDir,
@NonNull String ellipsis) {
int len = text.length();
MeasuredText mt = MeasuredText.obtain();
final int len = text.length();
final MeasuredText mt = MeasuredText.obtain();
MeasuredText resultMt = null;
try {
float width = setPara(mt, paint, text, 0, text.length(), textDir);
@@ -1245,74 +1252,107 @@ public class TextUtils {
if (callback != null) {
callback.ellipsized(0, 0);
}
return text;
}
// XXX assumes ellipsis string does not require shaping and
// is unaffected by style
float ellipsiswid = paint.measureText(ellipsis);
avail -= ellipsiswid;
resultMt = MeasuredText.obtain();
// First estimate of effective width of ellipsis.
float ellipsisWidth = paint.measureText(ellipsis);
int numberOfTries = 0;
boolean textFits = false;
int start, end;
CharSequence result;
do {
if (avail < ellipsisWidth) {
// Even the ellipsis can't fit. So it all goes.
start = 0;
end = len;
} else {
final float remainingWidth = avail - ellipsisWidth;
if (where == TruncateAt.START) {
start = 0;
end = len - mt.breakText(len, false /* backwards */, remainingWidth);
} else if (where == TruncateAt.END || where == TruncateAt.END_SMALL) {
start = mt.breakText(len, true /* forwards */, remainingWidth);
end = len;
} else {
end = len - mt.breakText(len, false /* backwards */, remainingWidth / 2);
start = mt.breakText(end, true /* forwards */,
remainingWidth - mt.measure(end, len));
}
}
int left = 0;
int right = len;
if (avail < 0) {
// it all goes
} else if (where == TruncateAt.START) {
right = len - mt.breakText(len, false, avail);
} else if (where == TruncateAt.END || where == TruncateAt.END_SMALL) {
left = mt.breakText(len, true, avail);
} else {
right = len - mt.breakText(len, false, avail / 2);
avail -= mt.measure(right, len);
left = mt.breakText(right, true, avail);
}
final char[] buf = mt.mChars;
final Spanned sp = text instanceof Spanned ? (Spanned) text : null;
final int removed = end - start;
final int remaining = len - removed;
if (preserveLength) {
int pos = start;
if (remaining > 0 && removed >= ellipsis.length()) {
ellipsis.getChars(0, ellipsis.length(), buf, start);
pos += ellipsis.length();
} // else eliminate the ellipsis
while (pos < end) {
buf[pos++] = ELLIPSIS_FILLER;
}
final String s = new String(buf, 0, len);
if (sp == null) {
result = s;
} else {
final SpannableString ss = new SpannableString(s);
copySpansFrom(sp, 0, len, Object.class, ss, 0);
result = ss;
}
} else {
if (remaining == 0) {
result = "";
} else if (sp == null) {
final StringBuilder sb = new StringBuilder(remaining + ellipsis.length());
sb.append(buf, 0, start);
sb.append(ellipsis);
sb.append(buf, end, len - end);
result = sb.toString();
} else {
final SpannableStringBuilder ssb = new SpannableStringBuilder();
ssb.append(text, 0, start);
ssb.append(ellipsis);
ssb.append(text, end, len);
result = ssb;
}
}
if (remaining == 0) { // All text is gone.
textFits = true;
} else {
width = setPara(resultMt, paint, result, 0, result.length(), textDir);
if (width <= avail) {
textFits = true;
} else {
numberOfTries++;
if (numberOfTries > 10) {
// If the text still doesn't fit after ten tries, assume it will never
// fit and ellipsize it all. We do this by setting the width of the
// ellipsis to be positive infinity, so we get to empty text in the next
// round.
ellipsisWidth = Float.POSITIVE_INFINITY;
} else {
// Adjust the width of the ellipsis by adding the amount 'width' is
// still over.
ellipsisWidth += width - avail;
}
}
}
} while (!textFits);
if (callback != null) {
callback.ellipsized(left, right);
callback.ellipsized(start, end);
}
char[] buf = mt.mChars;
Spanned sp = text instanceof Spanned ? (Spanned) text : null;
final int removed = right - left;
final int remaining = len - removed;
if (preserveLength) {
if (remaining > 0 && removed >= ellipsis.length()) {
ellipsis.getChars(0, ellipsis.length(), buf, left);
left += ellipsis.length();
} // else skip the ellipsis
for (int i = left; i < right; i++) {
buf[i] = ELLIPSIS_FILLER;
}
String s = new String(buf, 0, len);
if (sp == null) {
return s;
}
SpannableString ss = new SpannableString(s);
copySpansFrom(sp, 0, len, Object.class, ss, 0);
return ss;
}
if (remaining == 0) {
return "";
}
if (sp == null) {
StringBuilder sb = new StringBuilder(remaining + ellipsis.length());
sb.append(buf, 0, left);
sb.append(ellipsis);
sb.append(buf, right, len - right);
return sb.toString();
}
SpannableStringBuilder ssb = new SpannableStringBuilder();
ssb.append(text, 0, left);
ssb.append(ellipsis);
ssb.append(text, right, len);
return ssb;
return result;
} finally {
MeasuredText.recycle(mt);
if (resultMt != null) {
MeasuredText.recycle(resultMt);
}
}
}
@@ -1343,7 +1383,6 @@ public class TextUtils {
* @return the formatted CharSequence. If even the shortest sequence (e.g. {@code "A, 11 more"})
* doesn't fit, it will return an empty string.
*/
public static CharSequence listEllipsize(@Nullable Context context,
@Nullable List<CharSequence> elements, @NonNull String separator,
@NonNull TextPaint paint, @FloatRange(from=0.0,fromInclusive=false) float avail,

2
graphics/java/android/graphics/Paint.java
View File

@@ -2747,7 +2747,7 @@ public class Paint {
* @param offset index of caret position
* @return width measurement between start and offset
*/
public float getRunAdvance(CharSequence text, int start, int end, int contextStart,
public float getRunAdvance(@NonNull CharSequence text, int start, int end, int contextStart,
int contextEnd, boolean isRtl, int offset) {
if (text == null) {
throw new IllegalArgumentException("text cannot be null");