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Code Issues Pull Requests Releases Wiki Activity

onscroll: do not show/hide actionbar all the time

This commit is contained in:
Andrew Dolgov 2017-06-05 23:32:34 +03:00
parent 6fbe108ac6
commit 5d9afbd53a
1 changed files with 14 additions and 4 deletions
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18
org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
View File

@ -25,6 +25,7 @@ import android.support.v4.app.ActivityOptionsCompat;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewCompat;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
@ -107,6 +108,8 @@ public class HeadlinesFragment extends Fragment {
private boolean m_refreshInProgress = false;
private int m_firstId = 0;
private boolean m_lazyLoadDisabled = false;
private int m_amountScrolled;
private int m_scrollToToggleBar;
private SharedPreferences m_prefs;
@ -313,6 +316,8 @@ public class HeadlinesFragment extends Fragment {
getActivity().getWindowManager().getDefaultDisplay().getMetrics(metrics);
m_maxImageSize = (int) (128 * metrics.density + 0.5);
m_scrollToToggleBar = m_activity.getResources().getDimensionPixelSize(R.dimen.abc_action_bar_default_height_material);
Log.d(TAG, "maxImageSize=" + m_maxImageSize);
View view = inflater.inflate(R.layout.fragment_headlines, container, false);
@ -496,10 +501,15 @@ public class HeadlinesFragment extends Fragment {
}
if (!m_activity.isTablet() && m_articles.size() > 0) {
if (dy > 0) {
m_activity.getSupportActionBar().hide();
} else if (dy < 0) {
m_activity.getSupportActionBar().show();
m_amountScrolled += dy;
ActionBar bar = m_activity.getSupportActionBar();
if (dy > 0 && m_amountScrolled >= m_scrollToToggleBar) {
bar.hide();
m_amountScrolled = 0;
} else if (dy < 0 && m_amountScrolled <= -m_scrollToToggleBar) {
bar.show();
m_amountScrolled = 0;
}
}