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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.chromium.latency.walt;
import android.os.Bundle;
import android.view.View;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.Toolbar;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.DialogFragment;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentTransaction;
import androidx.preference.Preference;
import androidx.preference.PreferenceFragmentCompat;
import androidx.preference.PreferenceScreen;
public class SettingsFragment extends PreferenceFragmentCompat implements
PreferenceFragmentCompat.OnPreferenceStartScreenCallback {
private Toolbar toolbar;
public SettingsFragment() {
// Required empty public constructor
}
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
// Load the preferences from an XML resource
setPreferencesFromResource(R.xml.preferences, rootKey);
PreferenceScreen prefMidiScreen =
(PreferenceScreen) getPreferenceScreen().findPreference("pref_midi_screen");
if (prefMidiScreen != null) {
boolean hasMidi =
getContext().getPackageManager().hasSystemFeature("android.software.midi");
prefMidiScreen.setVisible(hasMidi);
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
toolbar = (Toolbar) getActivity().findViewById(R.id.toolbar_main);
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
view.setBackgroundColor(ContextCompat.getColor(getContext(), R.color.ColorBackground));
}
@Override
public void onDisplayPreferenceDialog(Preference preference) {
if (preference instanceof NumberPickerPreference) {
DialogFragment fragment = NumberPickerPreference.
NumberPickerPreferenceDialogFragmentCompat.newInstance(preference.getKey());
fragment.setTargetFragment(this, 0);
fragment.show(getParentFragmentManager(),
"androidx.preference.PreferenceFragment.DIALOG");
} else {
super.onDisplayPreferenceDialog(preference);
}
}
@Override
public Fragment getCallbackFragment() {
return this;
}
@Override
public boolean onPreferenceStartScreen(PreferenceFragmentCompat preferenceFragmentCompat,
PreferenceScreen preferenceScreen) {
SettingsFragment fragment = new SettingsFragment();
Bundle args = new Bundle();
args.putString(PreferenceFragmentCompat.ARG_PREFERENCE_ROOT, preferenceScreen.getKey());
fragment.setArguments(args);
FragmentTransaction ft = preferenceFragmentCompat.
getParentFragmentManager().beginTransaction();
ft.add(R.id.fragment_container, fragment, preferenceScreen.getKey());
ft.addToBackStack(preferenceScreen.getTitle().toString());
ft.commit();
toolbar.setTitle(preferenceScreen.getTitle());
return true;
}
}
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