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Code Releases Activity

Optimized iteration performance in SlidingTabLayout

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This commit is contained in:
Christophe Beyls 2016-05-29 13:25:19 +02:00
parent e4dfbc67c1
commit ff140b060c
1 changed files with 6 additions and 3 deletions
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9
app/src/main/java/com/example/android/common/view/SlidingTabLayout.java
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@ -168,11 +168,12 @@ public class SlidingTabLayout extends HorizontalScrollView {
private void populateTabStrip() {
final PagerAdapter adapter = mViewPager.getAdapter();
final int adapterCount = adapter.getCount();
final View.OnClickListener tabClickListener = new TabClickListener();
final LayoutInflater inflater = LayoutInflater.from(getContext());
final int currentItem = mViewPager.getCurrentItem();
for (int i = 0; i < adapter.getCount(); i++) {
for (int i = 0; i < adapterCount; i++) {
View tabView;
TextView tabTitleView;
@ -264,7 +265,8 @@ public class SlidingTabLayout extends HorizontalScrollView {
mTabStrip.onViewPagerPageChanged(position, 0f);
scrollToTab(position, 0);
}
for (int i = 0; i < mTabStrip.getChildCount(); i++) {
final int childCount = mTabStrip.getChildCount();
for (int i = 0; i < childCount; i++) {
mTabStrip.getChildAt(i).setSelected(position == i);
}
}
@ -273,7 +275,8 @@ public class SlidingTabLayout extends HorizontalScrollView {
private class TabClickListener implements View.OnClickListener {
@Override
public void onClick(View v) {
for (int i = 0; i < mTabStrip.getChildCount(); i++) {
final int childCount = mTabStrip.getChildCount();
for (int i = 0; i < childCount; i++) {
if (v == mTabStrip.getChildAt(i)) {
final int previousPos = mViewPager.getCurrentItem();
mViewPager.setCurrentItem(i);