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修复 ExpandTextView 尾部空隙太大的问题

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This commit is contained in:
chenjuntao
2020-06-02 15:29:50 +08:00
parent 13ff1f4343
commit 31a0bb24c7
2 changed files with 6 additions and 6 deletions
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11
app/src/main/java/com/gh/common/view/ExpandTextView.java
View File

@ -12,7 +12,6 @@ import android.text.style.ClickableSpan;
import android.util.AttributeSet;
import android.view.View;
import com.gh.common.util.DisplayUtils;
import com.gh.gamecenter.R;
import androidx.appcompat.widget.AppCompatTextView;
@ -91,6 +90,7 @@ public class ExpandTextView extends AppCompatTextView {
private void showExpandButton() {
String finalEndText = "";
TextPaint paint = getPaint();
Layout layout = getLayout();
int start = layout.getLineStart(0);
@ -101,12 +101,10 @@ public class ExpandTextView extends AppCompatTextView {
int viewWidth = getWidth() - getPaddingRight() - getPaddingLeft();
int additionalEndTextCount = 0;
TextPaint paint = getPaint();
float expandTextWidth;
if (mUseGradientAlphaEndText) {
additionalEndTextCount = DEFAULT_ADDITIONAL_END_TEXT_COUNT;
// 如果不加多个空格的话有可能算不对，惊了，明明是同样的 paint 同样的文字，长度却会略有不同
expandTextWidth = paint.measureText(mEndText + mExpandText + " ");
expandTextWidth = paint.measureText(mEndText + mExpandText);
} else {
expandTextWidth = paint.measureText(mExpandText);
}
@ -128,7 +126,7 @@ public class ExpandTextView extends AppCompatTextView {
for (int i = lastText.length() - 1; i > 0; i--) {
CharSequence sequence = lastText.subSequence(0, i);
float w = paint.measureText(sequence.toString());
if (viewWidth - w - DisplayUtils.dip2px(5) > expandTextWidth) {
if (viewWidth - w > expandTextWidth) {
if (mUseGradientAlphaEndText) {
finalEndText = lastText.subSequence(i - additionalEndTextCount, i) + mEndText;
finalEndText = finalEndText.replace("\n", "");
@ -195,7 +193,8 @@ public class ExpandTextView extends AppCompatTextView {
int heightBetweenLastVisibleLineRectAndLastActualLineRect = (mLastActualLineRect.bottom - mLastVisibleLineRect.bottom);
if (getMeasuredHeight() == getLayout().getHeight() - heightBetweenLastVisibleLineRectAndLastActualLineRect) {
result = mLastVisibleLineRect.bottom - (lastVisibleLineBaseline + layout.getPaint().getFontMetricsInt().descent + getPaddingBottom());
result = mLastVisibleLineRect.bottom - (lastVisibleLineBaseline + layout.getPaint()
.getFontMetricsInt().descent + getPaddingBottom());
if (getLineSpacingExtra() > result) {
result = 0;
} else {