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Added UI widgets for new location settings page

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Change-Id: I87eee999a4dd0189609f58d6f3e4ffe517d63a0e
This commit is contained in:
Lifu Tang
2013-08-01 17:23:10 -07:00
parent 34605e1dcf
commit d5fbbc4e49
7 changed files with 277 additions and 207 deletions
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230
src/com/android/settings/location/LocationSettings.java
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@@ -16,71 +16,43 @@
package com.android.settings.location;
import android.content.ContentQueryMap;
import android.content.ContentResolver;
import android.content.Context;
import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.location.LocationManager;
import android.os.UserManager;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.preference.SwitchPreference;
import android.provider.Settings;
import android.util.AttributeSet;
import android.view.View;
import android.widget.TextView;
import android.util.Log;
import android.view.Gravity;
import android.widget.Switch;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import java.util.Observable;
import java.util.Observer;
/**
* Location access settings.
*/
public class LocationSettings extends SettingsPreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String TAG = LocationSettings.class.getSimpleName();
private static final String KEY_LOCATION_MODE = "location_mode";
// Location Settings
private static final String KEY_LOCATION_TOGGLE = "location_toggle";
private static final String KEY_LOCATION_NETWORK = "location_network";
private static final String KEY_LOCATION_GPS = "location_gps";
private static final String KEY_ASSISTED_GPS = "assisted_gps";
private CheckBoxPreference mNetwork;
private CheckBoxPreference mGps;
private CheckBoxPreference mAssistedGps;
private SwitchPreference mLocationAccess;
// These provide support for receiving notification when Location Manager settings change.
// This is necessary because the Network Location Provider can change settings
// if the user does not confirm enabling the provider.
private ContentQueryMap mContentQueryMap;
private Observer mSettingsObserver;
private PreferenceScreen mLocationMode;
private LocationEnabler mLocationEnabler;
@Override
public void onStart() {
super.onStart();
// listen for Location Manager settings changes
Cursor settingsCursor = getContentResolver().query(Settings.Secure.CONTENT_URI, null,
"(" + Settings.System.NAME + "=?)",
new String[]{Settings.Secure.LOCATION_PROVIDERS_ALLOWED},
null);
mContentQueryMap = new ContentQueryMap(settingsCursor, Settings.System.NAME, true, null);
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
createPreferenceHierarchy();
}
@Override
public void onStop() {
super.onStop();
if (mSettingsObserver != null) {
mContentQueryMap.deleteObserver(mSettingsObserver);
}
mContentQueryMap.close();
public void onResume() {
super.onResume();
// Make sure we reload the preference hierarchy since some of these settings
// depend on others...
createPreferenceHierarchy();
}
private PreferenceScreen createPreferenceHierarchy() {
@@ -91,148 +63,56 @@ public class LocationSettings extends SettingsPreferenceFragment
addPreferencesFromResource(R.xml.location_settings);
root = getPreferenceScreen();
mLocationAccess = (SwitchPreference) root.findPreference(KEY_LOCATION_TOGGLE);
mNetwork = (CheckBoxPreference) root.findPreference(KEY_LOCATION_NETWORK);
mGps = (CheckBoxPreference) root.findPreference(KEY_LOCATION_GPS);
mAssistedGps = (CheckBoxPreference) root.findPreference(KEY_ASSISTED_GPS);
mLocationMode = (PreferenceScreen) root.findPreference((KEY_LOCATION_MODE));
mLocationMode.setOnPreferenceClickListener(
new Preference.OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
PreferenceActivity preferenceActivity =
(PreferenceActivity) getActivity();
preferenceActivity.startPreferencePanel(
LocationMode.class.getName(), null,
R.string.location_mode_screen_title, null, LocationSettings.this,
0);
return true;
}
});
// Only enable these controls if this user is allowed to change location
// sharing settings.
final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
boolean isToggleAllowed = !um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION);
if (mLocationAccess != null) mLocationAccess.setEnabled(isToggleAllowed);
if (mNetwork != null) mNetwork.setEnabled(isToggleAllowed);
if (mGps != null) mGps.setEnabled(isToggleAllowed);
if (mAssistedGps != null) mAssistedGps.setEnabled(isToggleAllowed);
Activity activity = getActivity();
Switch actionBarSwitch = new Switch(activity);
mLocationAccess.setOnPreferenceChangeListener(this);
return root;
}
@Override
public void onResume() {
super.onResume();
// Make sure we reload the preference hierarchy since some of these settings
// depend on others...
createPreferenceHierarchy();
updateLocationToggles();
if (mSettingsObserver == null) {
mSettingsObserver = new Observer() {
@Override
public void update(Observable o, Object arg) {
updateLocationToggles();
}
};
}
mContentQueryMap.addObserver(mSettingsObserver);
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
final ContentResolver cr = getContentResolver();
final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
if (preference == mNetwork) {
if (!um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
Settings.Secure.setLocationProviderEnabled(cr,
LocationManager.NETWORK_PROVIDER, mNetwork.isChecked());
if (activity instanceof PreferenceActivity) {
PreferenceActivity preferenceActivity = (PreferenceActivity) activity;
// Only show the master switch when we're not in multi-pane mode, and not being used as
// Setup Wizard.
if (preferenceActivity.onIsHidingHeaders() || !preferenceActivity.onIsMultiPane()) {
final int padding = activity.getResources().getDimensionPixelSize(
R.dimen.action_bar_switch_padding);
actionBarSwitch.setPaddingRelative(0, 0, padding, 0);
activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
ActionBar.DISPLAY_SHOW_CUSTOM);
activity.getActionBar().setCustomView(actionBarSwitch, new ActionBar.LayoutParams(
ActionBar.LayoutParams.WRAP_CONTENT,
ActionBar.LayoutParams.WRAP_CONTENT,
Gravity.CENTER_VERTICAL | Gravity.END));
}
} else if (preference == mGps) {
boolean enabled = mGps.isChecked();
if (!um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
Settings.Secure.setLocationProviderEnabled(cr,
LocationManager.GPS_PROVIDER, enabled);
if (mAssistedGps != null) {
mAssistedGps.setEnabled(enabled);
}
}
} else if (preference == mAssistedGps) {
Settings.Global.putInt(cr, Settings.Global.ASSISTED_GPS_ENABLED,
mAssistedGps.isChecked() ? 1 : 0);
} else {
// If we didn't handle it, let preferences handle it.
return super.onPreferenceTreeClick(preferenceScreen, preference);
Log.wtf(TAG, "Current activity is not an instance of PreferenceActivity!");
}
return true;
}
mLocationEnabler = new LocationEnabler(activity, actionBarSwitch);
setHasOptionsMenu(true);
/*
* Creates toggles for each available location provider
*/
private void updateLocationToggles() {
ContentResolver res = getContentResolver();
boolean gpsEnabled = Settings.Secure.isLocationProviderEnabled(
res, LocationManager.GPS_PROVIDER);
boolean networkEnabled = Settings.Secure.isLocationProviderEnabled(
res, LocationManager.NETWORK_PROVIDER);
mGps.setChecked(gpsEnabled);
mNetwork.setChecked(networkEnabled);
mLocationAccess.setChecked(gpsEnabled || networkEnabled);
if (mAssistedGps != null) {
mAssistedGps.setChecked(Settings.Global.getInt(res,
Settings.Global.ASSISTED_GPS_ENABLED, 2) == 1);
mAssistedGps.setEnabled(gpsEnabled);
}
}
/**
* see confirmPatternThenDisableAndClear
*/
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
createPreferenceHierarchy();
}
/** Enable or disable all providers when the master toggle is changed. */
private void onToggleLocationAccess(boolean checked) {
final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
if (um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
return;
}
final ContentResolver cr = getContentResolver();
Settings.Secure.setLocationProviderEnabled(cr,
LocationManager.GPS_PROVIDER, checked);
Settings.Secure.setLocationProviderEnabled(cr,
LocationManager.NETWORK_PROVIDER, checked);
updateLocationToggles();
}
@Override
public boolean onPreferenceChange(Preference pref, Object newValue) {
if (pref.getKey().equals(KEY_LOCATION_TOGGLE)) {
onToggleLocationAccess((Boolean) newValue);
}
return true;
return root;
}
@Override
public int getHelpResource() {
return R.string.help_url_location_access;
}
}
class WrappingSwitchPreference extends SwitchPreference {
public WrappingSwitchPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public WrappingSwitchPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
TextView title = (TextView) view.findViewById(android.R.id.title);
if (title != null) {
title.setSingleLine(false);
title.setMaxLines(3);
}
public boolean onPreferenceChange(Preference preference, Object newValue) {
return true;
}
}