/* * Copyright (C) 2007 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 com.example.android.apis.app;import android.content.Intent;import android.content.res.TypedArray;import android.net.Uri;import android.os.Bundle;import android.preference.CheckBoxPreference;import android.preference.EditTextPreference;import android.preference.ListPreference;import android.preference.PreferenceActivity;import android.preference.PreferenceCategory;import android.preference.PreferenceScreen;import com.example.android.apis.R;public class PreferencesFromCode extends PreferenceActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);                setPreferenceScreen(createPreferenceHierarchy());    }    private PreferenceScreen createPreferenceHierarchy() {        // Root        PreferenceScreen root = getPreferenceManager().createPreferenceScreen(this);                // Inline preferences         PreferenceCategory inlinePrefCat = new PreferenceCategory(this);        inlinePrefCat.setTitle(R.string.inline_preferences);        root.addPreference(inlinePrefCat);                // Toggle preference        CheckBoxPreference togglePref = new CheckBoxPreference(this);        togglePref.setKey("toggle_preference");        togglePref.setTitle(R.string.title_toggle_preference);        togglePref.setSummary(R.string.summary_toggle_preference);        inlinePrefCat.addPreference(togglePref);                        // Dialog based preferences        PreferenceCategory dialogBasedPrefCat = new PreferenceCategory(this);        dialogBasedPrefCat.setTitle(R.string.dialog_based_preferences);        root.addPreference(dialogBasedPrefCat);        // Edit text preference        EditTextPreference editTextPref = new EditTextPreference(this);        editTextPref.setDialogTitle(R.string.dialog_title_edittext_preference);        editTextPref.setKey("edittext_preference");        editTextPref.setTitle(R.string.title_edittext_preference);        editTextPref.setSummary(R.string.summary_edittext_preference);        dialogBasedPrefCat.addPreference(editTextPref);                // List preference        ListPreference listPref = new ListPreference(this);        listPref.setEntries(R.array.entries_list_preference);        listPref.setEntryValues(R.array.entryvalues_list_preference);        listPref.setDialogTitle(R.string.dialog_title_list_preference);        listPref.setKey("list_preference");        listPref.setTitle(R.string.title_list_preference);        listPref.setSummary(R.string.summary_list_preference);        dialogBasedPrefCat.addPreference(listPref);                // Launch preferences        PreferenceCategory launchPrefCat = new PreferenceCategory(this);        launchPrefCat.setTitle(R.string.launch_preferences);        root.addPreference(launchPrefCat);        /*         * The Preferences screenPref serves as a screen break (similar to page         * break in word processing). Like for other preference types, we assign         * a key here so that it is able to save and restore its instance state.         */        // Screen preference        PreferenceScreen screenPref = getPreferenceManager().createPreferenceScreen(this);        screenPref.setKey("screen_preference");        screenPref.setTitle(R.string.title_screen_preference);        screenPref.setSummary(R.string.summary_screen_preference);        launchPrefCat.addPreference(screenPref);                /*         * You can add more preferences to screenPref that will be shown on the         * next screen.         */                // Example of next screen toggle preference        CheckBoxPreference nextScreenCheckBoxPref = new CheckBoxPreference(this);        nextScreenCheckBoxPref.setKey("next_screen_toggle_preference");        nextScreenCheckBoxPref.setTitle(R.string.title_next_screen_toggle_preference);        nextScreenCheckBoxPref.setSummary(R.string.summary_next_screen_toggle_preference);        screenPref.addPreference(nextScreenCheckBoxPref);                // Intent preference        PreferenceScreen intentPref = getPreferenceManager().createPreferenceScreen(this);        intentPref.setIntent(new Intent().setAction(Intent.ACTION_VIEW)                .setData(Uri.parse("http://www.android.com")));        intentPref.setTitle(R.string.title_intent_preference);        intentPref.setSummary(R.string.summary_intent_preference);        launchPrefCat.addPreference(intentPref);                // Preference attributes        PreferenceCategory prefAttrsCat = new PreferenceCategory(this);        prefAttrsCat.setTitle(R.string.preference_attributes);        root.addPreference(prefAttrsCat);                // Visual parent toggle preference        CheckBoxPreference parentCheckBoxPref = new CheckBoxPreference(this);        parentCheckBoxPref.setTitle(R.string.title_parent_preference);        parentCheckBoxPref.setSummary(R.string.summary_parent_preference);        prefAttrsCat.addPreference(parentCheckBoxPref);                // Visual child toggle preference        // See res/values/attrs.xml for the <declare-styleable> that defines        // TogglePrefAttrs.        TypedArray a = obtainStyledAttributes(R.styleable.TogglePrefAttrs);        CheckBoxPreference childCheckBoxPref = new CheckBoxPreference(this);        childCheckBoxPref.setTitle(R.string.title_child_preference);        childCheckBoxPref.setSummary(R.string.summary_child_preference);        childCheckBoxPref.setLayoutResource(                a.getResourceId(R.styleable.TogglePrefAttrs_android_preferenceLayoutChild,                        0));        prefAttrsCat.addPreference(childCheckBoxPref);        a.recycle();                return root;    }}