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游戏详情自定义栏目支持富文本

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chenjuntao
2020-06-11 18:29:44 +08:00
parent 2155a33689
commit 75701b6875
11 changed files with 143 additions and 23 deletions
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29
app/src/main/java/com/gh/common/view/ExpandTextView.java
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@ -25,11 +25,10 @@ public class ExpandTextView extends AppCompatTextView {
private String mEndText = "...";
private String mExpandText = mEndText + "全文";
private boolean mUseGradientAlphaEndText = false;
private boolean mShrinkOnAnchor = false;
private int mMaxLines = 3; // 由于sdk版本限制(getMaxLines) 这里设置默认值
private static int DEFAULT_ADDITIONAL_END_TEXT_COUNT = 2;
private boolean mInitLayout = false;
private boolean mIsExpanded = false; // 位于 recyclerView 时需要自行在外层管理是否已展开
@ -38,6 +37,9 @@ public class ExpandTextView extends AppCompatTextView {
private Rect mLastVisibleLineRect;
private Rect mLastActualLineRect;
private static int DEFAULT_ADDITIONAL_END_TEXT_COUNT = 2;
public static final String SHRINK_ANCHOR = "☼";
public ExpandTextView(Context context) {
super(context);
}
@ -52,6 +54,7 @@ public class ExpandTextView extends AppCompatTextView {
mLastActualLineRect = new Rect();
TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.ExpandTextView);
mShrinkOnAnchor = ta.getBoolean(R.styleable.ExpandTextView_shrinkOnAnchor, false);
mUseGradientAlphaEndText = ta.getBoolean(R.styleable.ExpandTextView_useGradientAlphaEndText, false);
mEndText = ta.getString(R.styleable.ExpandTextView_endText) == null ? mEndText : ta.getString(R.styleable.ExpandTextView_endText);
mExpandText = ta.getString(R.styleable.ExpandTextView_expandText) == null ? mExpandText : ta
@ -62,9 +65,31 @@ public class ExpandTextView extends AppCompatTextView {
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (mShrinkOnAnchor) {
updateMaxLinesByShrinkAnchor();
}
setMeasuredDimension(getMeasuredWidth(), getMeasuredHeight() - getExtraBottomPadding());
}
private void updateMaxLinesByShrinkAnchor() {
int count = getLineCount();
for (int line = 0; line < count; line++) {
int start = getLayout().getLineStart(line);
int end = getLayout().getLineEnd(line);
CharSequence substring = getText().subSequence(start, end);
if (substring.toString().contains(SHRINK_ANCHOR)) {
if (mMaxLines != line + 1) {
setExpandMaxLines(line + 1);
int anchorIndex = getText().toString().indexOf(SHRINK_ANCHOR);
SpannableStringBuilder sb = new SpannableStringBuilder(getText());
sb.delete(anchorIndex, anchorIndex + 1);
setText(sb);
break;
}
}
}
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);