2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings;
19 import com.android.settings.accounts.AccountSyncSettings;
20 import com.android.settings.bluetooth.BluetoothEnabler;
21 import com.android.settings.fuelgauge.PowerUsageSummary;
22 import com.android.settings.wifi.WifiEnabler;
24 import android.content.ComponentName;
25 import android.content.Context;
26 import android.content.Intent;
27 import android.content.pm.ActivityInfo;
28 import android.content.pm.PackageManager;
29 import android.content.pm.PackageManager.NameNotFoundException;
30 import android.os.Bundle;
31 import android.preference.Preference;
32 import android.preference.PreferenceActivity;
33 import android.preference.PreferenceFragment;
34 import android.text.TextUtils;
35 import android.util.Log;
36 import android.view.LayoutInflater;
37 import android.view.View;
38 import android.view.View.OnClickListener;
39 import android.view.ViewGroup;
40 import android.widget.ArrayAdapter;
41 import android.widget.Button;
42 import android.widget.ImageView;
43 import android.widget.ListAdapter;
44 import android.widget.Switch;
45 import android.widget.TextView;
47 import java.util.ArrayList;
48 import java.util.HashMap;
49 import java.util.List;
52 * Top-level settings activity to handle single pane and double pane UI layout.
54 public class Settings extends PreferenceActivity implements ButtonBarHandler {
56 private static final String LOG_TAG = "Settings";
57 private static final String META_DATA_KEY_HEADER_ID =
58 "com.android.settings.TOP_LEVEL_HEADER_ID";
59 private static final String META_DATA_KEY_FRAGMENT_CLASS =
60 "com.android.settings.FRAGMENT_CLASS";
61 private static final String META_DATA_KEY_PARENT_TITLE =
62 "com.android.settings.PARENT_FRAGMENT_TITLE";
63 private static final String META_DATA_KEY_PARENT_FRAGMENT_CLASS =
64 "com.android.settings.PARENT_FRAGMENT_CLASS";
66 private static final String EXTRA_THEME = "settings:theme";
68 private static final String SAVE_KEY_CURRENT_HEADER = "com.android.settings.CURRENT_HEADER";
69 private static final String SAVE_KEY_PARENT_HEADER = "com.android.settings.PARENT_HEADER";
71 private String mFragmentClass;
72 private int mTopLevelHeaderId;
73 private Header mFirstHeader;
74 private Header mCurrentHeader;
75 private Header mParentHeader;
76 private boolean mInLocalHeaderSwitch;
78 // TODO: Update Call Settings based on airplane mode state.
80 protected HashMap<Integer, Integer> mHeaderIndexMap = new HashMap<Integer, Integer>();
81 private List<Header> mHeaders;
84 protected void onCreate(Bundle savedInstanceState) {
85 final int theme = getIntent().getIntExtra(
86 EXTRA_THEME, android.R.style.Theme_Holo_SplitActionBarWhenNarrow);
90 mInLocalHeaderSwitch = true;
91 super.onCreate(savedInstanceState);
92 mInLocalHeaderSwitch = false;
94 if (!onIsHidingHeaders() && onIsMultiPane()) {
96 // Force the title so that it doesn't get overridden by a direct launch of
97 // a specific settings screen.
98 setTitle(R.string.settings_label);
101 // Retrieve any saved state
102 if (savedInstanceState != null) {
103 mCurrentHeader = savedInstanceState.getParcelable(SAVE_KEY_CURRENT_HEADER);
104 mParentHeader = savedInstanceState.getParcelable(SAVE_KEY_PARENT_HEADER);
107 // If the current header was saved, switch to it
108 if (savedInstanceState != null && mCurrentHeader != null) {
109 //switchToHeaderLocal(mCurrentHeader);
110 showBreadCrumbs(mCurrentHeader.title, null);
113 if (mParentHeader != null) {
114 setParentTitle(mParentHeader.title, null, new OnClickListener() {
115 public void onClick(View v) {
116 switchToParent(mParentHeader.fragment);
121 // TODO Add support for android.R.id.home in all Setting's onOptionsItemSelected
122 // getActionBar().setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP,
123 // ActionBar.DISPLAY_HOME_AS_UP);
127 protected void onSaveInstanceState(Bundle outState) {
128 super.onSaveInstanceState(outState);
130 // Save the current fragment, if it is the same as originally launched
131 if (mCurrentHeader != null) {
132 outState.putParcelable(SAVE_KEY_CURRENT_HEADER, mCurrentHeader);
134 if (mParentHeader != null) {
135 outState.putParcelable(SAVE_KEY_PARENT_HEADER, mParentHeader);
140 public void onResume() {
143 ListAdapter listAdapter = getListAdapter();
144 if (listAdapter instanceof HeaderAdapter) {
145 ((HeaderAdapter) listAdapter).resume();
150 public void onPause() {
153 ListAdapter listAdapter = getListAdapter();
154 if (listAdapter instanceof HeaderAdapter) {
155 ((HeaderAdapter) listAdapter).pause();
159 private void switchToHeaderLocal(Header header) {
160 mInLocalHeaderSwitch = true;
161 switchToHeader(header);
162 mInLocalHeaderSwitch = false;
166 public void switchToHeader(Header header) {
167 if (!mInLocalHeaderSwitch) {
168 mCurrentHeader = null;
169 mParentHeader = null;
171 super.switchToHeader(header);
175 * Switch to parent fragment and store the grand parent's info
176 * @param className name of the activity wrapper for the parent fragment.
178 private void switchToParent(String className) {
179 final ComponentName cn = new ComponentName(this, className);
181 final PackageManager pm = getPackageManager();
182 final ActivityInfo parentInfo = pm.getActivityInfo(cn, PackageManager.GET_META_DATA);
184 if (parentInfo != null && parentInfo.metaData != null) {
185 String fragmentClass = parentInfo.metaData.getString(META_DATA_KEY_FRAGMENT_CLASS);
186 CharSequence fragmentTitle = parentInfo.loadLabel(pm);
187 Header parentHeader = new Header();
188 parentHeader.fragment = fragmentClass;
189 parentHeader.title = fragmentTitle;
190 mCurrentHeader = parentHeader;
192 switchToHeaderLocal(parentHeader);
194 mParentHeader = new Header();
195 mParentHeader.fragment
196 = parentInfo.metaData.getString(META_DATA_KEY_PARENT_FRAGMENT_CLASS);
197 mParentHeader.title = parentInfo.metaData.getString(META_DATA_KEY_PARENT_TITLE);
199 } catch (NameNotFoundException nnfe) {
200 Log.w(LOG_TAG, "Could not find parent activity : " + className);
205 public void onNewIntent(Intent intent) {
206 super.onNewIntent(intent);
208 // If it is not launched from history, then reset to top-level
209 if ((intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0
210 && mFirstHeader != null && !onIsHidingHeaders() && onIsMultiPane()) {
211 switchToHeaderLocal(mFirstHeader);
215 private void highlightHeader() {
216 if (mTopLevelHeaderId != 0) {
217 Integer index = mHeaderIndexMap.get(mTopLevelHeaderId);
219 getListView().setItemChecked(index, true);
225 public Intent getIntent() {
226 Intent superIntent = super.getIntent();
227 String startingFragment = getStartingFragmentClass(superIntent);
228 // This is called from super.onCreate, isMultiPane() is not yet reliable
229 // Do not use onIsHidingHeaders either, which relies itself on this method
230 if (startingFragment != null && !onIsMultiPane()) {
231 Intent modIntent = new Intent(superIntent);
232 modIntent.putExtra(EXTRA_SHOW_FRAGMENT, startingFragment);
233 Bundle args = superIntent.getExtras();
235 args = new Bundle(args);
239 args.putParcelable("intent", superIntent);
240 modIntent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, superIntent.getExtras());
247 * Checks if the component name in the intent is different from the Settings class and
248 * returns the class name to load as a fragment.
250 protected String getStartingFragmentClass(Intent intent) {
251 if (mFragmentClass != null) return mFragmentClass;
253 String intentClass = intent.getComponent().getClassName();
254 if (intentClass.equals(getClass().getName())) return null;
256 if ("com.android.settings.ManageApplications".equals(intentClass)
257 || "com.android.settings.RunningServices".equals(intentClass)
258 || "com.android.settings.applications.StorageUse".equals(intentClass)) {
259 // Old names of manage apps.
260 intentClass = com.android.settings.applications.ManageApplications.class.getName();
267 * Override initial header when an activity-alias is causing Settings to be launched
268 * for a specific fragment encoded in the android:name parameter.
271 public Header onGetInitialHeader() {
272 String fragmentClass = getStartingFragmentClass(super.getIntent());
273 if (fragmentClass != null) {
274 Header header = new Header();
275 header.fragment = fragmentClass;
276 header.title = getTitle();
277 header.fragmentArguments = getIntent().getExtras();
278 mCurrentHeader = header;
286 public Intent onBuildStartFragmentIntent(String fragmentName, Bundle args,
287 int titleRes, int shortTitleRes) {
288 Intent intent = super.onBuildStartFragmentIntent(fragmentName, args,
289 titleRes, shortTitleRes);
291 // some fragments would like a custom activity theme
292 if (DataUsageSummary.class.getName().equals(fragmentName) ||
293 PowerUsageSummary.class.getName().equals(fragmentName) ||
294 AccountSyncSettings.class.getName().equals(fragmentName) ||
295 UserDictionarySettings.class.getName().equals(fragmentName)) {
296 intent.putExtra(EXTRA_THEME, android.R.style.Theme_Holo_SolidActionBar);
299 intent.setClass(this, SubSettings.class);
304 * Populate the activity with the top-level headers.
307 public void onBuildHeaders(List<Header> headers) {
308 loadHeadersFromResource(R.xml.settings_headers, headers);
310 updateHeaderList(headers);
315 private void updateHeaderList(List<Header> target) {
317 while (i < target.size()) {
318 Header header = target.get(i);
319 // Ids are integers, so downcasting
320 int id = (int) header.id;
321 if (id == R.id.dock_settings) {
322 if (!needsDockSettings())
323 target.remove(header);
324 } else if (id == R.id.operator_settings || id == R.id.manufacturer_settings) {
325 Utils.updateHeaderToSpecificActivityFromMetaDataOrRemove(this, target, header);
326 } else if (id == R.id.wifi_settings) {
327 // Remove WiFi Settings if WiFi service is not available.
328 if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_WIFI)) {
329 target.remove(header);
331 } else if (id == R.id.bluetooth_settings) {
332 // Remove Bluetooth Settings if Bluetooth service is not available.
333 if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)) {
334 target.remove(header);
338 // Increment if the current one wasn't removed by the Utils code.
339 if (target.get(i) == header) {
340 // Hold on to the first header, when we need to reset to the top-level
341 if (mFirstHeader == null &&
342 HeaderAdapter.getHeaderType(header) != HeaderAdapter.HEADER_TYPE_CATEGORY) {
343 mFirstHeader = header;
345 mHeaderIndexMap.put(id, i);
351 private boolean needsDockSettings() {
352 return getResources().getBoolean(R.bool.has_dock_settings);
355 private void getMetaData() {
357 ActivityInfo ai = getPackageManager().getActivityInfo(getComponentName(),
358 PackageManager.GET_META_DATA);
359 if (ai == null || ai.metaData == null) return;
360 mTopLevelHeaderId = ai.metaData.getInt(META_DATA_KEY_HEADER_ID);
361 mFragmentClass = ai.metaData.getString(META_DATA_KEY_FRAGMENT_CLASS);
363 // Check if it has a parent specified and create a Header object
364 final int parentHeaderTitleRes = ai.metaData.getInt(META_DATA_KEY_PARENT_TITLE);
365 String parentFragmentClass = ai.metaData.getString(META_DATA_KEY_PARENT_FRAGMENT_CLASS);
366 if (parentFragmentClass != null) {
367 mParentHeader = new Header();
368 mParentHeader.fragment = parentFragmentClass;
369 if (parentHeaderTitleRes != 0) {
370 mParentHeader.title = getResources().getString(parentHeaderTitleRes);
373 } catch (NameNotFoundException nnfe) {
379 public boolean hasNextButton() {
380 return super.hasNextButton();
384 public Button getNextButton() {
385 return super.getNextButton();
388 private static class HeaderAdapter extends ArrayAdapter<Header> {
389 static final int HEADER_TYPE_CATEGORY = 0;
390 static final int HEADER_TYPE_NORMAL = 1;
391 static final int HEADER_TYPE_SWITCH = 2;
392 private static final int HEADER_TYPE_COUNT = HEADER_TYPE_SWITCH + 1;
394 private final WifiEnabler mWifiEnabler;
395 private final BluetoothEnabler mBluetoothEnabler;
397 private static class HeaderViewHolder {
404 private LayoutInflater mInflater;
406 static int getHeaderType(Header header) {
407 if (header.fragment == null && header.intent == null) {
408 return HEADER_TYPE_CATEGORY;
409 } else if (header.id == R.id.wifi_settings || header.id == R.id.bluetooth_settings) {
410 return HEADER_TYPE_SWITCH;
412 return HEADER_TYPE_NORMAL;
417 public int getItemViewType(int position) {
418 Header header = getItem(position);
419 return getHeaderType(header);
423 public boolean areAllItemsEnabled() {
424 return false; // because of categories
428 public boolean isEnabled(int position) {
429 return getItemViewType(position) != HEADER_TYPE_CATEGORY;
433 public int getViewTypeCount() {
434 return HEADER_TYPE_COUNT;
438 public boolean hasStableIds() {
442 public HeaderAdapter(Context context, List<Header> objects) {
443 super(context, 0, objects);
444 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
446 // Temp Switches provided as placeholder until the adapter replaces these with actual
447 // Switches inflated from their layouts. Must be done before adapter is set in super
448 mWifiEnabler = new WifiEnabler(context, new Switch(context));
449 mBluetoothEnabler = new BluetoothEnabler(context, new Switch(context));
453 public View getView(int position, View convertView, ViewGroup parent) {
454 HeaderViewHolder holder;
455 Header header = getItem(position);
456 int headerType = getHeaderType(header);
459 if (convertView == null) {
460 holder = new HeaderViewHolder();
461 switch (headerType) {
462 case HEADER_TYPE_CATEGORY:
463 view = new TextView(getContext(), null,
464 android.R.attr.listSeparatorTextViewStyle);
465 holder.title = (TextView) view;
468 case HEADER_TYPE_SWITCH:
469 view = mInflater.inflate(R.layout.preference_header_switch_item, parent,
471 holder.icon = (ImageView) view.findViewById(R.id.icon);
472 holder.title = (TextView)
473 view.findViewById(com.android.internal.R.id.title);
474 holder.summary = (TextView)
475 view.findViewById(com.android.internal.R.id.summary);
476 holder.switch_ = (Switch) view.findViewById(R.id.switchWidget);
479 case HEADER_TYPE_NORMAL:
480 view = mInflater.inflate(
481 com.android.internal.R.layout.preference_header_item, parent,
483 holder.icon = (ImageView) view.findViewById(com.android.internal.R.id.icon);
484 holder.title = (TextView)
485 view.findViewById(com.android.internal.R.id.title);
486 holder.summary = (TextView)
487 view.findViewById(com.android.internal.R.id.summary);
493 holder = (HeaderViewHolder) view.getTag();
496 // All view fields must be updated every time, because the view may be recycled
497 switch (headerType) {
498 case HEADER_TYPE_CATEGORY:
499 holder.title.setText(header.getTitle(getContext().getResources()));
502 case HEADER_TYPE_SWITCH:
503 // Would need a different treatment if the main menu had more switches
504 if (header.id == R.id.wifi_settings) {
505 mWifiEnabler.setSwitch(holder.switch_);
507 mBluetoothEnabler.setSwitch(holder.switch_);
509 // No break, fall through on purpose to update common fields
512 case HEADER_TYPE_NORMAL:
513 holder.icon.setImageResource(header.iconRes);
514 holder.title.setText(header.getTitle(getContext().getResources()));
515 CharSequence summary = header.getSummary(getContext().getResources());
516 if (!TextUtils.isEmpty(summary)) {
517 holder.summary.setVisibility(View.VISIBLE);
518 holder.summary.setText(summary);
520 holder.summary.setVisibility(View.GONE);
528 public void resume() {
529 mWifiEnabler.resume();
530 mBluetoothEnabler.resume();
533 public void pause() {
534 mWifiEnabler.pause();
535 mBluetoothEnabler.pause();
540 public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) {
541 // Override the fragment title for Wallpaper settings
542 CharSequence title = pref.getTitle();
543 if (pref.getFragment().equals(WallpaperTypeSettings.class.getName())) {
544 title = getString(R.string.wallpaper_settings_fragment_title);
546 startPreferencePanel(pref.getFragment(), pref.getExtras(), 0, title, null, 0);
551 public void setListAdapter(ListAdapter adapter) {
552 if (mHeaders == null) {
553 mHeaders = new ArrayList<Header>();
554 // When the saved state provides the list of headers, onBuildHeaders is not called
555 // Copy the list of Headers from the adapter, preserving their order
556 for (int i = 0; i < adapter.getCount(); i++) {
557 mHeaders.add((Header) adapter.getItem(i));
561 // Ignore the adapter provided by PreferenceActivity and substitute ours instead
562 super.setListAdapter(new HeaderAdapter(this, mHeaders));
566 * Settings subclasses for launching independently.
568 public static class BluetoothSettingsActivity extends Settings { /* empty */ }
569 public static class WirelessSettingsActivity extends Settings { /* empty */ }
570 public static class TetherSettingsActivity extends Settings { /* empty */ }
571 public static class VpnSettingsActivity extends Settings { /* empty */ }
572 public static class DateTimeSettingsActivity extends Settings { /* empty */ }
573 public static class StorageSettingsActivity extends Settings { /* empty */ }
574 public static class WifiSettingsActivity extends Settings { /* empty */ }
575 public static class WifiP2pSettingsActivity extends Settings { /* empty */ }
576 public static class InputMethodAndLanguageSettingsActivity extends Settings { /* empty */ }
577 public static class InputMethodAndSubtypeEnablerActivity extends Settings { /* empty */ }
578 public static class SpellCheckersSettingsActivity extends Settings { /* empty */ }
579 public static class LocalePickerActivity extends Settings { /* empty */ }
580 public static class UserDictionarySettingsActivity extends Settings { /* empty */ }
581 public static class SoundSettingsActivity extends Settings { /* empty */ }
582 public static class DisplaySettingsActivity extends Settings { /* empty */ }
583 public static class DeviceInfoSettingsActivity extends Settings { /* empty */ }
584 public static class ApplicationSettingsActivity extends Settings { /* empty */ }
585 public static class ManageApplicationsActivity extends Settings { /* empty */ }
586 public static class StorageUseActivity extends Settings { /* empty */ }
587 public static class DevelopmentSettingsActivity extends Settings { /* empty */ }
588 public static class AccessibilitySettingsActivity extends Settings { /* empty */ }
589 public static class SecuritySettingsActivity extends Settings { /* empty */ }
590 public static class LocationSettingsActivity extends Settings { /* empty */ }
591 public static class PrivacySettingsActivity extends Settings { /* empty */ }
592 public static class DockSettingsActivity extends Settings { /* empty */ }
593 public static class RunningServicesActivity extends Settings { /* empty */ }
594 public static class ManageAccountsSettingsActivity extends Settings { /* empty */ }
595 public static class PowerUsageSummaryActivity extends Settings { /* empty */ }
596 public static class AccountSyncSettingsActivity extends Settings { /* empty */ }
597 public static class AccountSyncSettingsInAddAccountActivity extends Settings { /* empty */ }
598 public static class CryptKeeperSettingsActivity extends Settings { /* empty */ }
599 public static class DeviceAdminSettingsActivity extends Settings { /* empty */ }
600 public static class DataUsageSummaryActivity extends Settings { /* empty */ }
601 public static class AdvancedWifiSettingsActivity extends Settings { /* empty */ }
602 public static class TextToSpeechSettingsActivity extends Settings { /* empty */ }
603 public static class NfcSharingSettingsActivity extends Settings { /* empty */ }