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/*
* Copyright (C) 2015 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 android.support.v17.leanback.supportleanbackshowcase.app.settings;
import android.app.Fragment;
import android.content.Context;
import android.os.Bundle;
import android.support.v14.preference.PreferenceFragment;
import android.support.v17.leanback.supportleanbackshowcase.R;
import android.support.v17.preference.LeanbackPreferenceFragment;
import android.support.v17.preference.LeanbackSettingsFragment;
import android.support.v7.preference.DialogPreference;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import android.widget.Toast;
import java.util.Arrays;
import java.util.Stack;
public class SettingsExampleFragment extends LeanbackSettingsFragment implements DialogPreference.TargetFragment {
private final Stack<Fragment> fragments = new Stack<Fragment>();
@Override
public void onPreferenceStartInitialScreen() {
startPreferenceFragment(buildPreferenceFragment(R.xml.prefs, null));
}
@Override
public boolean onPreferenceStartFragment(PreferenceFragment preferenceFragment,
Preference preference) {
return false;
}
@Override
public boolean onPreferenceStartScreen(PreferenceFragment preferenceFragment,
PreferenceScreen preferenceScreen) {
PreferenceFragment frag = buildPreferenceFragment(R.xml.prefs, preferenceScreen.getKey());
startPreferenceFragment(frag);
return true;
}
@Override
public Preference findPreference(CharSequence prefKey) {
return ((PreferenceFragment) fragments.peek()).findPreference(prefKey);
}
private PreferenceFragment buildPreferenceFragment(int preferenceResId, String root) {
PreferenceFragment fragment = new PrefFragment();
Bundle args = new Bundle();
args.putInt("preferenceResource", preferenceResId);
args.putString("root", root);
fragment.setArguments(args);
return fragment;
}
private class PrefFragment extends LeanbackPreferenceFragment {
@Override
public void onCreatePreferences(Bundle bundle, String s) {
String root = getArguments().getString("root", null);
int prefResId = getArguments().getInt("preferenceResource");
if (root == null) {
addPreferencesFromResource(prefResId);
} else {
setPreferencesFromResource(prefResId, root);
}
}
@Override
public boolean onPreferenceTreeClick(Preference preference) {
final String[] keys = {"prefs_wifi_connect_wps", "prefs_date", "prefs_time",
"prefs_date_time_use_timezone", "app_banner_sample_app", "pref_force_stop",
"pref_uninstall", "pref_more_info"};
if (Arrays.asList(keys).contains(preference.getKey())) {
Toast.makeText(getActivity(), "Implement your own action handler.", Toast.LENGTH_SHORT).show();
return true;
}
return super.onPreferenceTreeClick(preference);
}
@Override
public void onAttach(Context context) {
fragments.push(this);
super.onAttach(context);
}
@Override
public void onDetach() {
fragments.pop();
super.onDetach();
}
}
}
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