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通过反射修改TabLayout Indicator的宽度
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| /** | |
| * 通过反射修改TabLayout Indicator的宽度（仅在Android 4.2及以上生效） | |
| */ | |
| private void setUpIndicatorWidth() { | |
| Class<?> tabLayoutClass = tabLayout.getClass(); | |
| Field tabStrip = null; | |
| try { | |
| tabStrip = tabLayoutClass.getDeclaredField("mTabStrip"); | |
| tabStrip.setAccessible(true); | |
| } catch (NoSuchFieldException e) { | |
| e.printStackTrace(); | |
| } | |
| LinearLayout layout = null; | |
| try { | |
| if (tabStrip != null) { | |
| layout = (LinearLayout) tabStrip.get(tabLayout); | |
| } | |
| for (int i = 0; i < layout.getChildCount(); i++) { | |
| View child = layout.getChildAt(i); | |
| child.setPadding(0, 0, 0, 0); | |
| LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.MATCH_PARENT, 1); | |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { | |
| params.setMarginStart(dip2px(mContext, 18f)); | |
| params.setMarginEnd(dip2px(mContext, 18f)); | |
| } | |
| child.setLayoutParams(params); | |
| child.invalidate(); | |
| } | |
| } catch (IllegalAccessException e) { | |
| e.printStackTrace(); | |
| } | |
| } |
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mTabStrip这个地方我应该写成什么