Accessibility service specific settings.

This is the settings part of the change for adding
support for accessibility service specific settings.

1. Added the first cut of a SettingsCheckBoxPreference
   that is a CheckBoxPreference that optionally takes
   an intent to be lauched as settings of the item
   represented by the preference.

2. Updated the AccessibilitySettigns to use the
   SettingsCheckBoxPreference.

Change-Id: If44262b8965c65620c6b8c252f8ef356eb0d95cf
This commit is contained in:
Svetoslav Ganov
2011-05-26 16:45:43 -07:00
parent a862f2b14b
commit 6f0b4d8143
6 changed files with 172 additions and 14 deletions

View File

@@ -16,6 +16,7 @@
package com.android.settings;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.Service;
@@ -78,7 +79,7 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
private CheckBoxPreference mToggleAccessibilityCheckBox;
private CheckBoxPreference mToggleScriptInjectionCheckBox;
private CheckBoxPreference mToggleAccessibilityServiceCheckBox;
private SettingsCheckBoxPreference mToggleAccessibilityServiceCheckBox;
private PreferenceCategory mPowerButtonCategory;
private CheckBoxPreference mPowerButtonEndsCallCheckBox;
@@ -87,8 +88,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
private ListPreference mLongPressTimeoutListPreference;
private Map<String, ServiceInfo> mAccessibilityServices =
new LinkedHashMap<String, ServiceInfo>();
private Map<String, AccessibilityServiceInfo> mAccessibilityServices =
new LinkedHashMap<String, AccessibilityServiceInfo>();
private TextUtils.SimpleStringSplitter mStringColonSplitter =
new TextUtils.SimpleStringSplitter(':');
@@ -157,7 +158,7 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
}
}
Map<String, ServiceInfo> accessibilityServices = mAccessibilityServices;
Map<String, AccessibilityServiceInfo> accessibilityServices = mAccessibilityServices;
for (String key : accessibilityServices.keySet()) {
CheckBoxPreference preference = (CheckBoxPreference) findPreference(key);
@@ -230,9 +231,9 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
throw new IllegalArgumentException(
KEY_TOGGLE_ACCESSIBILITY_SERVICE_CHECKBOX
+ " must be mapped to an instance of a "
+ CheckBoxPreference.class.getName());
+ SettingsCheckBoxPreference.class.getName());
}
mToggleAccessibilityServiceCheckBox = (CheckBoxPreference) preference;
mToggleAccessibilityServiceCheckBox = (SettingsCheckBoxPreference) preference;
}
}
@@ -274,7 +275,7 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
} else if (TOGGLE_ACCESSIBILITY_SCRIPT_INJECTION_CHECKBOX.equals(key)) {
handleToggleAccessibilityScriptInjection((CheckBoxPreference) preference);
} else if (preference instanceof CheckBoxPreference) {
handleEnableAccessibilityServiceStateChange((CheckBoxPreference) preference);
handleEnableAccessibilityServiceStateChange((SettingsCheckBoxPreference) preference);
}
return super.onPreferenceTreeClick(preferenceScreen, preference);
@@ -318,7 +319,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
*
* @param preference The preference.
*/
private void handleEnableAccessibilityServiceStateChange(CheckBoxPreference preference) {
private void handleEnableAccessibilityServiceStateChange(
SettingsCheckBoxPreference preference) {
if (preference.isChecked()) {
mToggleAccessibilityServiceCheckBox = preference;
// set right enabled state since the user may press back
@@ -357,7 +359,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
AccessibilityManager accessibilityManager =
(AccessibilityManager) getSystemService(Service.ACCESSIBILITY_SERVICE);
List<ServiceInfo> installedServices = accessibilityManager.getAccessibilityServiceList();
List<AccessibilityServiceInfo> installedServices =
accessibilityManager.getInstalledAccessibilityServiceList();
if (installedServices.isEmpty()) {
getPreferenceScreen().removePreference(mAccessibilityServicesCategory);
@@ -367,12 +370,22 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
getPreferenceScreen().addPreference(mAccessibilityServicesCategory);
for (int i = 0, count = installedServices.size(); i < count; ++i) {
ServiceInfo serviceInfo = installedServices.get(i);
String key = serviceInfo.packageName + "/" + serviceInfo.name;
AccessibilityServiceInfo accessibilityServiceInfo = installedServices.get(i);
String key = accessibilityServiceInfo.getId();
if (mAccessibilityServices.put(key, serviceInfo) == null) {
CheckBoxPreference preference = new CheckBoxPreference(getActivity());
if (mAccessibilityServices.put(key, accessibilityServiceInfo) == null) {
String settingsActivityName = accessibilityServiceInfo.getSettingsActivityName();
Intent settingsIntent = null;
if (!TextUtils.isEmpty(settingsActivityName)) {
String packageName = accessibilityServiceInfo.getResolveInfo()
.serviceInfo.packageName;
settingsIntent = new Intent(Intent.ACTION_MAIN);
settingsIntent.setClassName(packageName, settingsActivityName);
}
SettingsCheckBoxPreference preference = new SettingsCheckBoxPreference(
getActivity(), settingsIntent);
preference.setKey(key);
ServiceInfo serviceInfo = accessibilityServiceInfo.getResolveInfo().serviceInfo;
preference.setTitle(serviceInfo.loadLabel(getActivity().getPackageManager()));
mAccessibilityServicesCategory.addPreference(preference);
}
@@ -424,7 +437,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
.setMessage(getResources().getString(
R.string.accessibility_service_security_warning,
mAccessibilityServices.get(mToggleAccessibilityServiceCheckBox.getKey())
.applicationInfo.loadLabel(getActivity().getPackageManager())))
.getResolveInfo().serviceInfo.applicationInfo.loadLabel(
getActivity().getPackageManager())))
.setCancelable(true)
.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {

View File

@@ -0,0 +1,91 @@
/*
* Copyright (C) 2011 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.Context;
import android.content.Intent;
import android.preference.CheckBoxPreference;
import android.util.TypedValue;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.CheckBox;
import android.widget.ImageView;
/**
* CheckBox preference that optionally shows an icon for launching a settings
* {@link android.app.Activity}. The settings activity, if intent for launching
* it was provided, can be stared only if the CheckBox in is checked.
*/
public class SettingsCheckBoxPreference extends CheckBoxPreference {
// Integer.MIN_VALUE means not initalized
private static int sDimAlpha = Integer.MIN_VALUE;
private final Intent mSettingsIntent;
/**
* Creates a new instance.
*
* @param context Context for accessing resources.
* @param settingsIntent Intent to use as settings for the item represented by
* this preference. Pass <code>null</code> if there is no associated
* settings activity.
*/
public SettingsCheckBoxPreference(Context context, Intent settingsIntent) {
super(context);
if (sDimAlpha == Integer.MIN_VALUE) {
TypedValue outValue = new TypedValue();
context.getTheme().resolveAttribute(android.R.attr.disabledAlpha, outValue, true);
sDimAlpha = (int) (outValue.getFloat() * 255);
}
mSettingsIntent = settingsIntent;
setWidgetLayoutResource(R.layout.preference_settings_checkbox_widget);
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
ImageView settingsButton = (ImageView) view.findViewById(R.id.settings_button);
if (settingsButton == null) {
return;
}
if (mSettingsIntent != null) {
CheckBox checkbox = (CheckBox) view.findViewById(com.android.internal.R.id.checkbox);
if (checkbox == null) {
return;
}
if (checkbox.isChecked()) {
settingsButton.setOnClickListener(new OnClickListener() {
public void onClick(View view) {
getContext().startActivity(mSettingsIntent);
}
});
}
settingsButton.setVisibility(View.VISIBLE);
if (checkbox.isChecked() && isEnabled()) {
settingsButton.setAlpha(255);
} else {
settingsButton.setAlpha(sDimAlpha);
}
} else {
settingsButton.setVisibility(View.GONE);
}
}
}