1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15package android.support.v17.leanback.supportleanbackshowcase.app.settings; 16 17import android.app.Fragment; 18import android.content.Context; 19import android.os.Bundle; 20import android.support.v14.preference.PreferenceFragment; 21import android.support.v17.leanback.supportleanbackshowcase.R; 22import android.support.v17.preference.LeanbackPreferenceFragment; 23import android.support.v17.preference.LeanbackSettingsFragment; 24import android.support.v7.preference.DialogPreference; 25import android.support.v7.preference.ListPreference; 26import android.support.v7.preference.Preference; 27import android.support.v7.preference.PreferenceScreen; 28import android.widget.Toast; 29 30import java.util.Arrays; 31import java.util.Stack; 32 33public class SettingsExampleFragment extends LeanbackSettingsFragment { 34 35 @Override 36 public void onPreferenceStartInitialScreen() { 37 startPreferenceFragment(buildPreferenceFragment(R.xml.prefs, null)); 38 } 39 40 @Override 41 public boolean onPreferenceStartFragment(PreferenceFragment preferenceFragment, 42 Preference preference) { 43 return false; 44 } 45 46 @Override 47 public boolean onPreferenceStartScreen(PreferenceFragment preferenceFragment, 48 PreferenceScreen preferenceScreen) { 49 PreferenceFragment frag = buildPreferenceFragment(R.xml.prefs, preferenceScreen.getKey()); 50 startPreferenceFragment(frag); 51 return true; 52 } 53 54 private PreferenceFragment buildPreferenceFragment(int preferenceResId, String root) { 55 PreferenceFragment fragment = new PrefFragment(); 56 Bundle args = new Bundle(); 57 args.putInt("preferenceResource", preferenceResId); 58 args.putString("root", root); 59 fragment.setArguments(args); 60 return fragment; 61 } 62 63 public static class PrefFragment extends LeanbackPreferenceFragment { 64 65 @Override 66 public void onCreatePreferences(Bundle bundle, String s) { 67 String root = getArguments().getString("root", null); 68 int prefResId = getArguments().getInt("preferenceResource"); 69 if (root == null) { 70 addPreferencesFromResource(prefResId); 71 } else { 72 setPreferencesFromResource(prefResId, root); 73 } 74 } 75 76 @Override 77 public boolean onPreferenceTreeClick(Preference preference) { 78 final String[] keys = {"prefs_wifi_connect_wps", "prefs_date", "prefs_time", 79 "prefs_date_time_use_timezone", "app_banner_sample_app", "pref_force_stop", 80 "pref_uninstall", "pref_more_info"}; 81 if (Arrays.asList(keys).contains(preference.getKey())) { 82 Toast.makeText(getActivity(), "Implement your own action handler.", Toast.LENGTH_SHORT).show(); 83 return true; 84 } 85 return super.onPreferenceTreeClick(preference); 86 } 87 88 } 89} 90