onscroll: do not show/hide actionbar all the time
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6fbe108ac6
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5d9afbd53a
@ -25,6 +25,7 @@ import android.support.v4.app.ActivityOptionsCompat;
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import android.support.v4.app.Fragment;
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import android.support.v4.view.ViewCompat;
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import android.support.v4.widget.SwipeRefreshLayout;
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import android.support.v7.app.ActionBar;
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import android.support.v7.widget.DefaultItemAnimator;
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import android.support.v7.widget.DividerItemDecoration;
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import android.support.v7.widget.LinearLayoutManager;
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@ -107,6 +108,8 @@ public class HeadlinesFragment extends Fragment {
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private boolean m_refreshInProgress = false;
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private int m_firstId = 0;
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private boolean m_lazyLoadDisabled = false;
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private int m_amountScrolled;
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private int m_scrollToToggleBar;
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private SharedPreferences m_prefs;
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@ -313,6 +316,8 @@ public class HeadlinesFragment extends Fragment {
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getActivity().getWindowManager().getDefaultDisplay().getMetrics(metrics);
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m_maxImageSize = (int) (128 * metrics.density + 0.5);
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m_scrollToToggleBar = m_activity.getResources().getDimensionPixelSize(R.dimen.abc_action_bar_default_height_material);
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Log.d(TAG, "maxImageSize=" + m_maxImageSize);
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View view = inflater.inflate(R.layout.fragment_headlines, container, false);
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@ -496,10 +501,15 @@ public class HeadlinesFragment extends Fragment {
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}
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if (!m_activity.isTablet() && m_articles.size() > 0) {
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if (dy > 0) {
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m_activity.getSupportActionBar().hide();
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} else if (dy < 0) {
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m_activity.getSupportActionBar().show();
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m_amountScrolled += dy;
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ActionBar bar = m_activity.getSupportActionBar();
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if (dy > 0 && m_amountScrolled >= m_scrollToToggleBar) {
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bar.hide();
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m_amountScrolled = 0;
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} else if (dy < 0 && m_amountScrolled <= -m_scrollToToggleBar) {
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bar.show();
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m_amountScrolled = 0;
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}
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}
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