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Merge branch 'expert-mode-scroll' into 'master'

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Keep "Expert mode" item at top of screen when revealing expert preferences

See merge request fdroid/fdroidclient!737
This commit is contained in:
Hans-Christoph Steiner 2018-08-30 10:08:15 +00:00
commit 5701cfe34b
1 changed files with 18 additions and 1 deletions
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19
app/src/main/java/org/fdroid/fdroid/views/PreferencesFragment.java
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@ -40,6 +40,7 @@ import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceCategory;
import android.support.v7.preference.PreferenceGroup;
import android.support.v7.preference.SeekBarPreference;
import android.support.v7.widget.LinearSmoothScroller;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.view.WindowManager;
@ -105,6 +106,8 @@ public class PreferencesFragment extends PreferenceFragment
private int overDataPrevious;
private int updateIntervalPrevious;
private LinearSmoothScroller topScroller;
@Override
public void onCreatePreferences(Bundle bundle, String s) {
@ -161,6 +164,13 @@ public class PreferencesFragment extends PreferenceFragment
PreferenceCategory category = (PreferenceCategory) findPreference("pref_category_appcompatibility");
category.removePreference(findPreference(Preferences.PREF_FORCE_TOUCH_APPS));
}
topScroller = new LinearSmoothScroller(getActivity()) {
@Override
protected int getVerticalSnapPreference() {
return SNAP_TO_START;
}
};
}
private void checkSummary(String key, int resId) {
@ -294,16 +304,23 @@ public class PreferencesFragment extends PreferenceFragment
case Preferences.PREF_EXPERT:
checkSummary(key, R.string.expert_on);
int expertPreferencesCount = 0;
boolean isExpertMode = Preferences.get().expertMode();
for (int i = 0; i < otherPrefGroup.getPreferenceCount(); i++) {
Preference pref = otherPrefGroup.getPreference(i);
if (TextUtils.equals(Preferences.PREF_EXPERT, pref.getDependency())) {
pref.setVisible(isExpertMode);
expertPreferencesCount++;
}
}
if (changing) {
RecyclerView recyclerView = getListView();
recyclerView.smoothScrollToPosition(recyclerView.getAdapter().getItemCount() - 1);
int preferencesCount = recyclerView.getAdapter().getItemCount();
if (!isExpertMode) {
expertPreferencesCount = 0;
}
topScroller.setTargetPosition(preferencesCount - expertPreferencesCount - 1);
recyclerView.getLayoutManager().startSmoothScroll(topScroller);
}
break;