| /* |
| * Copyright (C) 2009 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.android.settings; |
| |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.backup.IBackupManager; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.SharedPreferences; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.os.Bundle; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.preference.CheckBoxPreference; |
| import android.preference.Preference; |
| import android.preference.PreferenceActivity; |
| import android.preference.PreferenceScreen; |
| import android.provider.Settings; |
| import android.text.method.LinkMovementMethod; |
| import android.widget.TextView; |
| |
| /** |
| * Gesture lock pattern settings. |
| */ |
| public class PrivacySettings extends PreferenceActivity implements |
| DialogInterface.OnDismissListener, DialogInterface.OnClickListener { |
| |
| private static final String PREFS_NAME = "location_prefs"; |
| private static final String PREFS_USE_LOCATION = "use_location"; |
| |
| // Vendor specific |
| private static final String GSETTINGS_PROVIDER = "com.google.android.providers.settings"; |
| private static final String LOCATION_CATEGORY = "location_category"; |
| private static final String SETTINGS_CATEGORY = "settings_category"; |
| private static final String USE_LOCATION = "use_location"; |
| private static final String BACKUP_SETTINGS = "backup_settings"; |
| private static final String KEY_DONE_USE_LOCATION = "doneLocation"; |
| private CheckBoxPreference mUseLocation; |
| private CheckBoxPreference mBackup; |
| private boolean mOkClicked; |
| private Dialog mConfirmDialog; |
| |
| private static final int DIALOG_USE_LOCATION = 1; |
| private static final int DIALOG_ERASE_BACKUP = 2; |
| private int mDialogType; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| addPreferencesFromResource(R.xml.privacy_settings); |
| |
| mUseLocation = (CheckBoxPreference) getPreferenceScreen().findPreference(USE_LOCATION); |
| mBackup = (CheckBoxPreference) getPreferenceScreen().findPreference(BACKUP_SETTINGS); |
| |
| // Vendor specific |
| try { |
| if (mUseLocation != null) { |
| getPackageManager().getPackageInfo(GSETTINGS_PROVIDER, 0); |
| } |
| } catch (NameNotFoundException nnfe) { |
| getPreferenceScreen().removePreference(findPreference(LOCATION_CATEGORY)); |
| getPreferenceScreen().removePreference(findPreference(SETTINGS_CATEGORY)); |
| } |
| updateToggles(); |
| |
| boolean doneUseLocation = savedInstanceState == null |
| ? false : savedInstanceState.getBoolean(KEY_DONE_USE_LOCATION, true); |
| if (!doneUseLocation && (getIntent().getBooleanExtra("SHOW_USE_LOCATION", false) |
| || savedInstanceState != null)) { |
| showUseLocationDialog(true); |
| } |
| } |
| |
| @Override |
| public void onStop() { |
| if (mConfirmDialog != null && mConfirmDialog.isShowing()) { |
| mConfirmDialog.dismiss(); |
| } |
| mConfirmDialog = null; |
| mDialogType = 0; |
| super.onStop(); |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle icicle) { |
| if (mConfirmDialog != null && mConfirmDialog.isShowing() |
| && mDialogType == DIALOG_USE_LOCATION) { |
| icicle.putBoolean(KEY_DONE_USE_LOCATION, false); |
| } |
| super.onSaveInstanceState(icicle); |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, |
| Preference preference) { |
| if (preference == mUseLocation) { |
| //normally called on the toggle click |
| if (mUseLocation.isChecked()) { |
| showUseLocationDialog(false); |
| } else { |
| updateUseLocation(); |
| } |
| } else if (preference == mBackup) { |
| if (!mBackup.isChecked()) { |
| showEraseBackupDialog(); |
| } else { |
| setBackupEnabled(true); |
| } |
| } |
| |
| return false; |
| } |
| |
| private void showUseLocationDialog(boolean force) { |
| // Show a warning to the user that location data will be shared |
| mOkClicked = false; |
| if (force) { |
| mUseLocation.setChecked(true); |
| } |
| |
| if (hasAgreedToUseLocation()) { |
| updateUseLocation(); |
| return; |
| } |
| |
| mDialogType = DIALOG_USE_LOCATION; |
| CharSequence msg = getResources().getText(R.string.use_location_warning_message); |
| mConfirmDialog = new AlertDialog.Builder(this).setMessage(msg) |
| .setTitle(R.string.use_location_title) |
| .setIcon(android.R.drawable.ic_dialog_alert) |
| .setPositiveButton(R.string.agree, this) |
| .setNegativeButton(R.string.disagree, this) |
| .show(); |
| ((TextView)mConfirmDialog.findViewById(android.R.id.message)) |
| .setMovementMethod(LinkMovementMethod.getInstance()); |
| mConfirmDialog.setOnDismissListener(this); |
| } |
| |
| private void showEraseBackupDialog() { |
| // Show a warning to the user that location data will be shared |
| mOkClicked = false; |
| mBackup.setChecked(true); |
| |
| mDialogType = DIALOG_ERASE_BACKUP; |
| CharSequence msg = getResources().getText(R.string.backup_erase_dialog_message); |
| mConfirmDialog = new AlertDialog.Builder(this).setMessage(msg) |
| .setTitle(R.string.backup_erase_dialog_title) |
| .setIcon(android.R.drawable.ic_dialog_alert) |
| .setPositiveButton(android.R.string.ok, this) |
| .setNegativeButton(android.R.string.cancel, this) |
| .show(); |
| mConfirmDialog.setOnDismissListener(this); |
| } |
| |
| /* |
| * Creates toggles for each available location provider |
| */ |
| private void updateToggles() { |
| ContentResolver res = getContentResolver(); |
| mUseLocation.setChecked(Settings.Secure.getInt(res, |
| Settings.Secure.USE_LOCATION_FOR_SERVICES, 2) == 1); |
| mBackup.setChecked(Settings.Secure.getInt(res, |
| Settings.Secure.BACKUP_ENABLED, 0) == 1); |
| } |
| |
| private void updateUseLocation() { |
| boolean use = mUseLocation.isChecked(); |
| Settings.Secure.putInt(getContentResolver(), |
| Settings.Secure.USE_LOCATION_FOR_SERVICES, use ? 1 : 0); |
| } |
| |
| public void onClick(DialogInterface dialog, int which) { |
| if (which == DialogInterface.BUTTON_POSITIVE) { |
| //updateProviders(); |
| mOkClicked = true; |
| if (mDialogType == DIALOG_USE_LOCATION) { |
| setAgreedToUseLocation(true); |
| } else if (mDialogType == DIALOG_ERASE_BACKUP) { |
| setBackupEnabled(false); |
| } |
| } else { |
| if (mDialogType == DIALOG_USE_LOCATION) { |
| // Reset the toggle |
| mUseLocation.setChecked(false); |
| } else if (mDialogType == DIALOG_ERASE_BACKUP) { |
| mBackup.setChecked(true); |
| } |
| } |
| updateUseLocation(); |
| mDialogType = 0; |
| } |
| |
| public void onDismiss(DialogInterface dialog) { |
| // Assuming that onClick gets called first |
| if (!mOkClicked) { |
| if (mDialogType == DIALOG_USE_LOCATION) { |
| mUseLocation.setChecked(false); |
| } |
| } |
| } |
| |
| /** |
| * Checks if the user has agreed to the dialog in the past. |
| */ |
| private boolean hasAgreedToUseLocation() { |
| SharedPreferences sp = getSharedPreferences(PREFS_NAME, 0); |
| if (sp == null) { |
| return false; |
| } |
| return sp.getBoolean(PREFS_USE_LOCATION, false); |
| } |
| |
| /** |
| * Notes that the user has agreed to the dialog and won't need to be prompted in the |
| * future. |
| */ |
| private void setAgreedToUseLocation(boolean agreed) { |
| if (agreed) { |
| SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0); |
| SharedPreferences.Editor editor = settings.edit(); |
| editor.putBoolean(PREFS_USE_LOCATION, true); |
| editor.commit(); |
| } |
| } |
| |
| /** |
| * Informs the BackupManager of a change in backup state - if backup is disabled, |
| * the data on the server will be erased. |
| * @param enable whether to enable backup |
| */ |
| private void setBackupEnabled(boolean enable) { |
| IBackupManager bm = IBackupManager.Stub.asInterface( |
| ServiceManager.getService(Context.BACKUP_SERVICE)); |
| if (bm != null) { |
| try { |
| bm.setBackupEnabled(enable); |
| } catch (RemoteException e) { |
| mBackup.setChecked(!enable); |
| return; |
| } |
| } |
| mBackup.setChecked(enable); |
| } |
| } |