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修复 ExpandTextView 使用渐隐展开样式时在部分设备上会换行显示的问题

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This commit is contained in:
chenjuntao
2020-06-03 16:03:46 +08:00
parent 44fbc7a182
commit dcde3db33a
1 changed files with 25 additions and 14 deletions
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39
app/src/main/java/com/gh/common/view/ExpandTextView.java
View File

@ -14,6 +14,7 @@ import android.view.View;
import com.gh.gamecenter.R;
import androidx.annotation.NonNull;
import androidx.appcompat.widget.AppCompatTextView;
import androidx.core.content.ContextCompat;
@ -122,27 +123,37 @@ public class ExpandTextView extends AppCompatTextView {
content = content.toString().trim() + mExpandText;
}
} else {
CharSequence lastText = mSnapshotText.subSequence(lastLineStart, lastLineEnd);
for (int i = lastText.length() - 1; i > 0; i--) {
CharSequence sequence = lastText.subSequence(0, i);
float w = paint.measureText(sequence.toString());
if (viewWidth - w > expandTextWidth) {
if (mUseGradientAlphaEndText) {
finalEndText = lastText.subSequence(i - additionalEndTextCount, i) + mEndText;
CharSequence lastLineText = mSnapshotText.subSequence(lastLineStart, lastLineEnd);
CharSequence subSequence;
float subSequenceWidth;
for (int i = lastLineText.length() - 1; i > 0; i--) {
if (mUseGradientAlphaEndText) {
subSequence = lastLineText.subSequence(0, i - additionalEndTextCount);
subSequenceWidth = paint.measureText(subSequence.toString());
finalEndText = lastLineText.subSequence(i - additionalEndTextCount, i) + mEndText;
expandTextWidth = paint.measureText(finalEndText + mExpandText);
if (viewWidth - subSequenceWidth > expandTextWidth) {
finalEndText = finalEndText.replace("\n", "");
content = mSnapshotText.subSequence(start, lastLineStart + i - additionalEndTextCount) + finalEndText + mExpandText;
} else {
content = mSnapshotText.subSequence(start, lastLineStart + i) + mExpandText;
break;
}
} else {
subSequence = lastLineText.subSequence(0, i);
subSequenceWidth = paint.measureText(subSequence.toString());
if (viewWidth - subSequenceWidth > expandTextWidth) {
content = mSnapshotText.subSequence(start, lastLineStart + i) + mExpandText;
break;
}
break;
}
}
}
SpannableStringBuilder msp = new SpannableStringBuilder(mSnapshotText);
int length = msp.length();
int startPosition = 0;
int startPosition;
startPosition = content.length() - finalEndText.length() - mExpandText.length();
startPosition = Math.max(startPosition, 0);
@ -153,14 +164,14 @@ public class ExpandTextView extends AppCompatTextView {
msp.setSpan(new ClickableSpan() {
@Override
public void updateDrawState(TextPaint ds) {
public void updateDrawState(@NonNull TextPaint ds) {
super.updateDrawState(ds);
ds.setColor(ContextCompat.getColor(getContext(), R.color.theme_font));
ds.setUnderlineText(false);
}
@Override
public void onClick(View widget) {
public void onClick(@NonNull View widget) {
mIsExpanded = true;
setMaxLines(Integer.MAX_VALUE);
setText(mSnapshotText);