tabLayout.post(new Runnable() { @Override public void run() { try { //拿到tabLayout的mTabStrip属性 Field mTabStripField = tabLayout.getClass().getDeclaredField("mTabStrip"); mTabStripField.setAccessible(true); LinearLayout mTabStrip = (LinearLayout) mTabStripField.get(tabLayout); for (int i = 0; i < mTabStrip.getChildCount(); i++) { View tabView = mTabStrip.getChildAt(i); //拿到tabView的mTextView属性 Field mTextViewField = tabView.getClass().getDeclaredField("mTextView"); mTextViewField.setAccessible(true); TextView mTextView = (TextView) mTextViewField.get(tabView); tabView.setPadding(0, 0, 0, 0); //因为我想要的效果是 字多宽线就多宽,所以测量mTextView的宽度 int width = 0; width = mTextView.getWidth(); if (width == 0) { mTextView.measure(0, 0); width = mTextView.getMeasuredWidth(); } //设置tab左右间距为10dp 注意这里不能使用Padding 因为源码中线的宽度是根据 tabView的宽度来设置的 LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) tabView.getLayoutParams(); int dp10 = DensityUtil.dip2px(picActivity, 40); params.width = width ; params.leftMargin = dp10; params.rightMargin = dp10; tabView.setLayoutParams(params); tabView.invalidate(); } } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } } });
tabLayout改变下划线的宽度
最新推荐文章于 2024-04-06 06:01:53 发布