Expandable TextView With Smooth Transition Animation
## How do Imp ？ ## * In Java ```java //create tmp textview to calculate TextView Height StringBuilder sb = new StringBuilder(); //... int width = getScreenWidth() - getMarginPlusPadding(); TextView tmpTextView = new TextView(getContext()); tmpTextView.setTextSize(TypedValue.COMPLEX_UNIT_PX, mNormalSize); SpannableString spannableString = hightLightAction(sb.toString()); tmpTextView.setText(spannableString); tmpTextView.setPadding(getPaddingLeft(), getPaddingTop(), getPaddingRight(), getPaddingBottom()); tmpTextView.setLineSpacing(mRowSpace, 1); TextPaint textPaint = tmpTextView.getPaint(); StaticLayout staticLayout = new StaticLayout(spannableString,textPaint,width,Layout.Alignment.ALIGN_NORMAL, 1, mRowSpace, false); return staticLayout.getHeight(); // so StaticLayout can getHeight or getLineCount .... ```
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