130 lines
4.8 KiB
Java
130 lines
4.8 KiB
Java
/*
|
|
* Copyright (C) 2010 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.content.ActivityNotFoundException;
|
|
import android.content.ContentResolver;
|
|
import android.content.Context;
|
|
import android.content.Intent;
|
|
import android.content.pm.PackageManager;
|
|
import android.content.pm.ResolveInfo;
|
|
import android.database.Cursor;
|
|
import android.net.Uri;
|
|
import android.util.Log;
|
|
|
|
/**
|
|
* Helper class to read and write the 'Use My Location' setting used by Google Apps (e.g. GoogleQSB,
|
|
* VoiceSearch).
|
|
*
|
|
* This class duplicates a small amount of functionality from GSF (Google Services Framework) to
|
|
* allow the open source Settings app to interface to the 'Use My Location' setting owned by GSF.
|
|
*/
|
|
public class GoogleLocationSettingHelper {
|
|
|
|
private static final String TAG = "GoogleLocationSettingHelper";
|
|
|
|
/**
|
|
* User has disagreed to use location for Google services.
|
|
*/
|
|
public static final int USE_LOCATION_FOR_SERVICES_OFF = 0;
|
|
|
|
/**
|
|
* User has agreed to use location for Google services.
|
|
*/
|
|
public static final int USE_LOCATION_FOR_SERVICES_ON = 1;
|
|
|
|
/**
|
|
* The user has neither agreed nor disagreed to use location for Google services yet.
|
|
*/
|
|
public static final int USE_LOCATION_FOR_SERVICES_NOT_SET = 2;
|
|
|
|
private static final String GOOGLE_SETTINGS_AUTHORITY = "com.google.settings";
|
|
private static final Uri GOOGLE_SETTINGS_CONTENT_URI =
|
|
Uri.parse("content://" + GOOGLE_SETTINGS_AUTHORITY + "/partner");
|
|
private static final String NAME = "name";
|
|
private static final String VALUE = "value";
|
|
private static final String USE_LOCATION_FOR_SERVICES = "use_location_for_services";
|
|
|
|
private static final String ACTION_SET_USE_LOCATION_FOR_SERVICES =
|
|
"com.google.android.gsf.action.SET_USE_LOCATION_FOR_SERVICES";
|
|
public static final String EXTRA_DISABLE_USE_LOCATION_FOR_SERVICES = "disable";
|
|
|
|
/**
|
|
* Determine if the 'Use My Location' setting is applicable on this device, i.e. if the
|
|
* activity used to enabled/disable it is present.
|
|
*/
|
|
public static boolean isAvailable(Context context) {
|
|
ResolveInfo ri = context.getPackageManager().resolveActivity(getSetUseLocationIntent(),
|
|
PackageManager.MATCH_DEFAULT_ONLY);
|
|
return ri != null;
|
|
}
|
|
|
|
private static Intent getSetUseLocationIntent() {
|
|
Intent i = new Intent(ACTION_SET_USE_LOCATION_FOR_SERVICES);
|
|
return i;
|
|
}
|
|
|
|
/**
|
|
* Get the current value for the 'Use value for location' setting.
|
|
* @return One of {@link #USE_LOCATION_FOR_SERVICES_NOT_SET},
|
|
* {@link #USE_LOCATION_FOR_SERVICES_OFF} or {@link #USE_LOCATION_FOR_SERVICES_ON}.
|
|
*/
|
|
public static int getUseLocationForServices(Context context) {
|
|
ContentResolver resolver = context.getContentResolver();
|
|
Cursor c = null;
|
|
String stringValue = null;
|
|
try {
|
|
c = resolver.query(GOOGLE_SETTINGS_CONTENT_URI, new String[] { VALUE }, NAME + "=?",
|
|
new String[] { USE_LOCATION_FOR_SERVICES }, null);
|
|
if (c != null && c.moveToNext()) {
|
|
stringValue = c.getString(0);
|
|
}
|
|
} catch (RuntimeException e) {
|
|
Log.w(TAG, "Failed to get 'Use My Location' setting", e);
|
|
} finally {
|
|
if (c != null) {
|
|
c.close();
|
|
}
|
|
}
|
|
if (stringValue == null) {
|
|
return USE_LOCATION_FOR_SERVICES_NOT_SET;
|
|
}
|
|
int value;
|
|
try {
|
|
value = Integer.parseInt(stringValue);
|
|
} catch (NumberFormatException nfe) {
|
|
value = USE_LOCATION_FOR_SERVICES_NOT_SET;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* Change the value of the 'Use My Location' setting. This launches a GSF activity which has
|
|
* the permissions to actually make the change, prompting the user if necessary.
|
|
*/
|
|
public static void setUseLocationForServices(Context context, boolean use) {
|
|
Intent i = getSetUseLocationIntent();
|
|
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
|
|
i.putExtra(EXTRA_DISABLE_USE_LOCATION_FOR_SERVICES, !use);
|
|
try {
|
|
context.startActivity(i);
|
|
} catch (ActivityNotFoundException e) {
|
|
Log.e("GoogleLocationSettingHelper", "Problem while starting GSF location activity");
|
|
}
|
|
}
|
|
|
|
}
|