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 android.content.ComponentName;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.content.pm.ActivityInfo;
23 import android.content.pm.PackageManager;
24 import android.content.pm.PackageManager.NameNotFoundException;
25 import android.os.Bundle;
26 import android.preference.PreferenceActivity;
27 import android.text.TextUtils;
28 import android.util.Log;
29 import android.view.LayoutInflater;
30 import android.view.View;
31 import android.view.View.OnClickListener;
32 import android.view.ViewGroup;
33 import android.widget.ArrayAdapter;
34 import android.widget.Button;
35 import android.widget.ImageView;
36 import android.widget.ListAdapter;
37 import android.widget.Switch;
38 import android.widget.TextView;
40 import com.android.settings.bluetooth.BluetoothEnabler;
41 import com.android.settings.wifi.WifiEnabler;
43 import java.util.ArrayList;
44 import java.util.HashMap;
45 import java.util.List;
48 * Top-level settings activity to handle single pane and double pane UI layout.
50 public class Settings extends PreferenceActivity implements ButtonBarHandler {
52 private static final String LOG_TAG = "Settings";
53 private static final String META_DATA_KEY_HEADER_ID =
54 "com.android.settings.TOP_LEVEL_HEADER_ID";
55 private static final String META_DATA_KEY_FRAGMENT_CLASS =
56 "com.android.settings.FRAGMENT_CLASS";
57 private static final String META_DATA_KEY_PARENT_TITLE =
58 "com.android.settings.PARENT_FRAGMENT_TITLE";
59 private static final String META_DATA_KEY_PARENT_FRAGMENT_CLASS =
60 "com.android.settings.PARENT_FRAGMENT_CLASS";
62 private static final String EXTRA_THEME = "settings:theme";
64 private static final String SAVE_KEY_CURRENT_HEADER = "com.android.settings.CURRENT_HEADER";
65 private static final String SAVE_KEY_PARENT_HEADER = "com.android.settings.PARENT_HEADER";
67 private String mFragmentClass;
68 private int mTopLevelHeaderId;
69 private Header mFirstHeader;
70 private Header mCurrentHeader;
71 private Header mParentHeader;
72 private boolean mInLocalHeaderSwitch;
74 // TODO: Update Call Settings based on airplane mode state.
76 protected HashMap<Integer, Integer> mHeaderIndexMap = new HashMap<Integer, Integer>();
77 private List<Header> mHeaders;
80 protected void onCreate(Bundle savedInstanceState) {
81 final int theme = getIntent().getIntExtra(
82 EXTRA_THEME, android.R.style.Theme_Holo_SolidActionBar_SplitActionBarWhenNarrow);
86 mInLocalHeaderSwitch = true;
87 super.onCreate(savedInstanceState);
88 mInLocalHeaderSwitch = false;
90 if (!onIsHidingHeaders() && onIsMultiPane()) {
92 // Force the title so that it doesn't get overridden by a direct launch of
93 // a specific settings screen.
94 setTitle(R.string.settings_label);
97 // Retrieve any saved state
98 if (savedInstanceState != null) {
99 mCurrentHeader = savedInstanceState.getParcelable(SAVE_KEY_CURRENT_HEADER);
100 mParentHeader = savedInstanceState.getParcelable(SAVE_KEY_PARENT_HEADER);
103 // If the current header was saved, switch to it
104 if (savedInstanceState != null && mCurrentHeader != null) {
105 //switchToHeaderLocal(mCurrentHeader);
106 showBreadCrumbs(mCurrentHeader.title, null);
109 if (mParentHeader != null) {
110 setParentTitle(mParentHeader.title, null, new OnClickListener() {
111 public void onClick(View v) {
112 switchToParent(mParentHeader.fragment);
117 // TODO Add support for android.R.id.home in all Setting's onOptionsItemSelected
118 // getActionBar().setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP,
119 // ActionBar.DISPLAY_HOME_AS_UP);
123 protected void onSaveInstanceState(Bundle outState) {
124 super.onSaveInstanceState(outState);
126 // Save the current fragment, if it is the same as originally launched
127 if (mCurrentHeader != null) {
128 outState.putParcelable(SAVE_KEY_CURRENT_HEADER, mCurrentHeader);
130 if (mParentHeader != null) {
131 outState.putParcelable(SAVE_KEY_PARENT_HEADER, mParentHeader);
136 public void onResume() {
139 ListAdapter listAdapter = getListAdapter();
140 if (listAdapter instanceof HeaderAdapter) {
141 ((HeaderAdapter) listAdapter).resume();
146 public void onPause() {
149 ListAdapter listAdapter = getListAdapter();
150 if (listAdapter instanceof HeaderAdapter) {
151 ((HeaderAdapter) listAdapter).pause();
155 private void switchToHeaderLocal(Header header) {
156 mInLocalHeaderSwitch = true;
157 switchToHeader(header);
158 mInLocalHeaderSwitch = false;
162 public void switchToHeader(Header header) {
163 if (!mInLocalHeaderSwitch) {
164 mCurrentHeader = null;
165 mParentHeader = null;
167 super.switchToHeader(header);
171 * Switch to parent fragment and store the grand parent's info
172 * @param className name of the activity wrapper for the parent fragment.
174 private void switchToParent(String className) {
175 final ComponentName cn = new ComponentName(this, className);
177 final PackageManager pm = getPackageManager();
178 final ActivityInfo parentInfo = pm.getActivityInfo(cn, PackageManager.GET_META_DATA);
180 if (parentInfo != null && parentInfo.metaData != null) {
181 String fragmentClass = parentInfo.metaData.getString(META_DATA_KEY_FRAGMENT_CLASS);
182 CharSequence fragmentTitle = parentInfo.loadLabel(pm);
183 Header parentHeader = new Header();
184 parentHeader.fragment = fragmentClass;
185 parentHeader.title = fragmentTitle;
186 mCurrentHeader = parentHeader;
188 switchToHeaderLocal(parentHeader);
190 mParentHeader = new Header();
191 mParentHeader.fragment
192 = parentInfo.metaData.getString(META_DATA_KEY_PARENT_FRAGMENT_CLASS);
193 mParentHeader.title = parentInfo.metaData.getString(META_DATA_KEY_PARENT_TITLE);
195 } catch (NameNotFoundException nnfe) {
196 Log.w(LOG_TAG, "Could not find parent activity : " + className);
201 public void onNewIntent(Intent intent) {
202 super.onNewIntent(intent);
204 // If it is not launched from history, then reset to top-level
205 if ((intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0
206 && mFirstHeader != null && !onIsHidingHeaders() && onIsMultiPane()) {
207 switchToHeaderLocal(mFirstHeader);
211 private void highlightHeader() {
212 if (mTopLevelHeaderId != 0) {
213 Integer index = mHeaderIndexMap.get(mTopLevelHeaderId);
215 getListView().setItemChecked(index, true);
221 public Intent getIntent() {
222 Intent superIntent = super.getIntent();
223 String startingFragment = getStartingFragmentClass(superIntent);
224 // This is called from super.onCreate, isMultiPane() is not yet reliable
225 // Do not use onIsHidingHeaders either, which relies itself on this method
226 if (startingFragment != null && !onIsMultiPane()) {
227 Intent modIntent = new Intent(superIntent);
228 modIntent.putExtra(EXTRA_SHOW_FRAGMENT, startingFragment);
229 Bundle args = superIntent.getExtras();
231 args = new Bundle(args);
235 args.putParcelable("intent", superIntent);
236 modIntent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, superIntent.getExtras());
243 * Checks if the component name in the intent is different from the Settings class and
244 * returns the class name to load as a fragment.
246 protected String getStartingFragmentClass(Intent intent) {
247 if (mFragmentClass != null) return mFragmentClass;
249 String intentClass = intent.getComponent().getClassName();
250 if (intentClass.equals(getClass().getName())) return null;
252 if ("com.android.settings.ManageApplications".equals(intentClass)
253 || "com.android.settings.RunningServices".equals(intentClass)
254 || "com.android.settings.applications.StorageUse".equals(intentClass)) {
255 // Old names of manage apps.
256 intentClass = com.android.settings.applications.ManageApplications.class.getName();
263 * Override initial header when an activity-alias is causing Settings to be launched
264 * for a specific fragment encoded in the android:name parameter.
267 public Header onGetInitialHeader() {
268 String fragmentClass = getStartingFragmentClass(super.getIntent());
269 if (fragmentClass != null) {
270 Header header = new Header();
271 header.fragment = fragmentClass;
272 header.title = getTitle();
273 header.fragmentArguments = getIntent().getExtras();
274 mCurrentHeader = header;
282 public Intent onBuildStartFragmentIntent(String fragmentName, Bundle args,
283 int titleRes, int shortTitleRes) {
284 Intent intent = super.onBuildStartFragmentIntent(fragmentName, args,
285 titleRes, shortTitleRes);
287 // some fragments would like a custom activity theme
288 if (DataUsageSummary.class.getName().equals(fragmentName)) {
289 intent.putExtra(EXTRA_THEME, android.R.style.Theme_Holo_SolidActionBar);
292 intent.setClass(this, SubSettings.class);
297 * Populate the activity with the top-level headers.
300 public void onBuildHeaders(List<Header> headers) {
301 loadHeadersFromResource(R.xml.settings_headers, headers);
303 updateHeaderList(headers);
308 private void updateHeaderList(List<Header> target) {
310 while (i < target.size()) {
311 Header header = target.get(i);
312 // Ids are integers, so downcasting
313 int id = (int) header.id;
314 if (id == R.id.dock_settings) {
315 if (!needsDockSettings())
316 target.remove(header);
317 } else if (id == R.id.operator_settings || id == R.id.manufacturer_settings) {
318 Utils.updateHeaderToSpecificActivityFromMetaDataOrRemove(this, target, header);
319 } else if (id == R.id.wifi_settings) {
320 // Remove WiFi Settings if WiFi service is not available.
321 if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_WIFI)) {
322 target.remove(header);
324 } else if (id == R.id.bluetooth_settings) {
325 // Remove Bluetooth Settings if Bluetooth service is not available.
326 if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)) {
327 target.remove(header);
331 // Increment if the current one wasn't removed by the Utils code.
332 if (target.get(i) == header) {
333 // Hold on to the first header, when we need to reset to the top-level
334 if (mFirstHeader == null &&
335 HeaderAdapter.getHeaderType(header) != HeaderAdapter.HEADER_TYPE_CATEGORY) {
336 mFirstHeader = header;
338 mHeaderIndexMap.put(id, i);
344 private boolean needsDockSettings() {
345 return getResources().getBoolean(R.bool.has_dock_settings);
348 private void getMetaData() {
350 ActivityInfo ai = getPackageManager().getActivityInfo(getComponentName(),
351 PackageManager.GET_META_DATA);
352 if (ai == null || ai.metaData == null) return;
353 mTopLevelHeaderId = ai.metaData.getInt(META_DATA_KEY_HEADER_ID);
354 mFragmentClass = ai.metaData.getString(META_DATA_KEY_FRAGMENT_CLASS);
356 // Check if it has a parent specified and create a Header object
357 final int parentHeaderTitleRes = ai.metaData.getInt(META_DATA_KEY_PARENT_TITLE);
358 String parentFragmentClass = ai.metaData.getString(META_DATA_KEY_PARENT_FRAGMENT_CLASS);
359 if (parentFragmentClass != null) {
360 mParentHeader = new Header();
361 mParentHeader.fragment = parentFragmentClass;
362 if (parentHeaderTitleRes != 0) {
363 mParentHeader.title = getResources().getString(parentHeaderTitleRes);
366 } catch (NameNotFoundException nnfe) {
372 public boolean hasNextButton() {
373 return super.hasNextButton();
377 public Button getNextButton() {
378 return super.getNextButton();
381 private static class HeaderAdapter extends ArrayAdapter<Header> {
382 static final int HEADER_TYPE_CATEGORY = 0;
383 static final int HEADER_TYPE_NORMAL = 1;
384 static final int HEADER_TYPE_SWITCH = 2;
385 private static final int HEADER_TYPE_COUNT = HEADER_TYPE_SWITCH + 1;
387 private final WifiEnabler mWifiEnabler;
388 private final BluetoothEnabler mBluetoothEnabler;
390 private static class HeaderViewHolder {
397 private LayoutInflater mInflater;
399 static int getHeaderType(Header header) {
400 if (header.fragment == null && header.intent == null) {
401 return HEADER_TYPE_CATEGORY;
402 } else if (header.id == R.id.wifi_settings || header.id == R.id.bluetooth_settings) {
403 return HEADER_TYPE_SWITCH;
405 return HEADER_TYPE_NORMAL;
410 public int getItemViewType(int position) {
411 Header header = getItem(position);
412 return getHeaderType(header);
416 public boolean areAllItemsEnabled() {
417 return false; // because of categories
421 public boolean isEnabled(int position) {
422 return getItemViewType(position) != HEADER_TYPE_CATEGORY;
426 public int getViewTypeCount() {
427 return HEADER_TYPE_COUNT;
431 public boolean hasStableIds() {
435 public HeaderAdapter(Context context, List<Header> objects) {
436 super(context, 0, objects);
437 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
439 // Temp Switches provided as placeholder until the adapter replaces these with actual
440 // Switches inflated from their layouts. Must be done before adapter is set in super
441 mWifiEnabler = new WifiEnabler(context, new Switch(context));
442 mBluetoothEnabler = new BluetoothEnabler(context, new Switch(context));
446 public View getView(int position, View convertView, ViewGroup parent) {
447 HeaderViewHolder holder;
448 Header header = getItem(position);
449 int headerType = getHeaderType(header);
452 if (convertView == null) {
453 holder = new HeaderViewHolder();
454 switch (headerType) {
455 case HEADER_TYPE_CATEGORY:
456 view = new TextView(getContext(), null,
457 android.R.attr.listSeparatorTextViewStyle);
458 holder.title = (TextView) view;
461 case HEADER_TYPE_SWITCH:
462 view = mInflater.inflate(R.layout.preference_header_switch_item, parent,
464 holder.icon = (ImageView) view.findViewById(R.id.icon);
465 holder.title = (TextView)
466 view.findViewById(com.android.internal.R.id.title);
467 holder.summary = (TextView)
468 view.findViewById(com.android.internal.R.id.summary);
469 holder.switch_ = (Switch) view.findViewById(R.id.switchWidget);
472 case HEADER_TYPE_NORMAL:
473 view = mInflater.inflate(
474 com.android.internal.R.layout.preference_header_item, parent,
476 holder.icon = (ImageView) view.findViewById(com.android.internal.R.id.icon);
477 holder.title = (TextView)
478 view.findViewById(com.android.internal.R.id.title);
479 holder.summary = (TextView)
480 view.findViewById(com.android.internal.R.id.summary);
486 holder = (HeaderViewHolder) view.getTag();
489 // All view fields must be updated every time, because the view may be recycled
490 switch (headerType) {
491 case HEADER_TYPE_CATEGORY:
492 holder.title.setText(header.getTitle(getContext().getResources()));
495 case HEADER_TYPE_SWITCH:
496 // Would need a different treatment if the main menu had more switches
497 if (header.id == R.id.wifi_settings) {
498 mWifiEnabler.setSwitch(holder.switch_);
500 mBluetoothEnabler.setSwitch(holder.switch_);
502 // No break, fall through on purpose to update common fields
505 case HEADER_TYPE_NORMAL:
506 holder.icon.setImageResource(header.iconRes);
507 holder.title.setText(header.getTitle(getContext().getResources()));
508 CharSequence summary = header.getSummary(getContext().getResources());
509 if (!TextUtils.isEmpty(summary)) {
510 holder.summary.setVisibility(View.VISIBLE);
511 holder.summary.setText(summary);
513 holder.summary.setVisibility(View.GONE);
521 public void resume() {
522 mWifiEnabler.resume();
523 mBluetoothEnabler.resume();
526 public void pause() {
527 mWifiEnabler.pause();
528 mBluetoothEnabler.pause();
533 public void setListAdapter(ListAdapter adapter) {
534 if (mHeaders == null) {
535 mHeaders = new ArrayList<Header>();
536 // When the saved state provides the list of headers, onBuildHeaders is not called
537 // Copy the list of Headers from the adapter, preserving their order
538 for (int i = 0; i < adapter.getCount(); i++) {
539 mHeaders.add((Header) adapter.getItem(i));
543 // Ignore the adapter provided by PreferenceActivity and substitute ours instead
544 super.setListAdapter(new HeaderAdapter(this, mHeaders));
548 * Settings subclasses for launching independently.
550 public static class BluetoothSettingsActivity extends Settings { /* empty */ }
551 public static class WirelessSettingsActivity extends Settings { /* empty */ }
552 public static class TetherSettingsActivity extends Settings { /* empty */ }
553 public static class VpnSettingsActivity extends Settings { /* empty */ }
554 public static class DateTimeSettingsActivity extends Settings { /* empty */ }
555 public static class StorageSettingsActivity extends Settings { /* empty */ }
556 public static class WifiSettingsActivity extends Settings { /* empty */ }
557 public static class InputMethodAndLanguageSettingsActivity extends Settings { /* empty */ }
558 public static class InputMethodAndSubtypeEnablerActivity extends Settings { /* empty */ }
559 public static class LocalePickerActivity extends Settings { /* empty */ }
560 public static class UserDictionarySettingsActivity extends Settings { /* empty */ }
561 public static class SoundSettingsActivity extends Settings { /* empty */ }
562 public static class DisplaySettingsActivity extends Settings { /* empty */ }
563 public static class DeviceInfoSettingsActivity extends Settings { /* empty */ }
564 public static class ApplicationSettingsActivity extends Settings { /* empty */ }
565 public static class ManageApplicationsActivity extends Settings { /* empty */ }
566 public static class StorageUseActivity extends Settings { /* empty */ }
567 public static class DevelopmentSettingsActivity extends Settings { /* empty */ }
568 public static class AccessibilitySettingsActivity extends Settings { /* empty */ }
569 public static class SecuritySettingsActivity extends Settings { /* empty */ }
570 public static class LocationSettingsActivity extends Settings { /* empty */ }
571 public static class PrivacySettingsActivity extends Settings { /* empty */ }
572 public static class DockSettingsActivity extends Settings { /* empty */ }
573 public static class RunningServicesActivity extends Settings { /* empty */ }
574 public static class ManageAccountsSettingsActivity extends Settings { /* empty */ }
575 public static class PowerUsageSummaryActivity extends Settings { /* empty */ }
576 public static class AccountSyncSettingsActivity extends Settings { /* empty */ }
577 public static class AccountSyncSettingsInAddAccountActivity extends Settings { /* empty */ }
578 public static class CryptKeeperSettingsActivity extends Settings { /* empty */ }
579 public static class DeviceAdminSettingsActivity extends Settings { /* empty */ }
580 public static class DataUsageSummaryActivity extends Settings { /* empty */ }
581 public static class AdvancedWifiSettingsActivity extends Settings { /* empty */ }
582 public static class AdvancedBluetoothSettingsActivity extends Settings { /* empty */ }
583 public static class TextToSpeechSettingsActivity extends Settings { /* empty */ }