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Implement default assist app setting

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- Add "None" support to AppListPreference
- Add DefaultAssistPreference to manage assist;
- Add AppListPreferenceWithSettings to show a settings icon;
- Implement DefaultAssistPreference based on AppListPreferenceWithSettings;
- Move voice input settings into ManageAssist and implement it
  based on AppListPreferenceWithSettings;

Bug:20210110
Change-Id: If283b8b55a46b428ecfa6e45dc2123292b1d4302
This commit is contained in:
Xiyuan Xia
2015-06-02 14:55:32 -07:00
parent 275e6f7520
commit 86a554091d
19 changed files with 629 additions and 563 deletions
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215
src/com/android/settings/applications/DefaultAssistPreference.java Normal file
View File

@@ -0,0 +1,215 @@
/*
* Copyright (C) 2015 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.applications;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.provider.Settings;
import android.service.voice.VoiceInteractionService;
import android.service.voice.VoiceInteractionServiceInfo;
import android.speech.RecognitionService;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import com.android.settings.AppListPreferenceWithSettings;
import com.android.settings.R;
import java.util.ArrayList;
import java.util.List;
public class DefaultAssistPreference extends AppListPreferenceWithSettings {
private static final String TAG = DefaultAssistPreference.class.getSimpleName();
private final List<Info> mAvailableAssistants = new ArrayList<>();
public DefaultAssistPreference(Context context, AttributeSet attrs) {
super(context, attrs);
setShowItemNone(true);
setDialogTitle(R.string.choose_assist_title);
}
@Override
protected boolean persistString(String value) {
final Info info = findAssistantByPackageName(value);
if (info == null) {
setAssistNone();
return true;
}
if (info.isVoiceInteractionService()) {
setAssistService(info);
} else {
setAssistActivity(info);
}
return true;
}
private void setAssistNone() {
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.ASSISTANT, ITEM_NONE_VALUE);
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.VOICE_INTERACTION_SERVICE, "");
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.VOICE_RECOGNITION_SERVICE, getDefaultRecognizer());
setSummary(getContext().getText(R.string.default_assist_none));
setSettingsComponent(null);
}
private void setAssistService(Info serviceInfo) {
final String serviceComponentName = serviceInfo.component.flattenToShortString();
final String serviceRecognizerName = new ComponentName(
serviceInfo.component.getPackageName(),
serviceInfo.voiceInteractionServiceInfo.getRecognitionService())
.flattenToShortString();
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.ASSISTANT, serviceComponentName);
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.VOICE_INTERACTION_SERVICE, serviceComponentName);
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.VOICE_RECOGNITION_SERVICE, serviceRecognizerName);
setSummary(getEntry());
final String settingsActivity =
serviceInfo.voiceInteractionServiceInfo.getSettingsActivity();
setSettingsComponent(settingsActivity == null ?
null :
new ComponentName(serviceInfo.component.getPackageName(), settingsActivity));
}
private void setAssistActivity(Info activityInfo) {
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.ASSISTANT, activityInfo.component.flattenToShortString());
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.VOICE_INTERACTION_SERVICE, "");
Settings.Secure.putString(getContext().getContentResolver(),
Settings.Secure.VOICE_RECOGNITION_SERVICE, getDefaultRecognizer());
setSummary(getEntry());
setSettingsComponent(null);
}
private String getDefaultRecognizer() {
ResolveInfo resolveInfo = getContext().getPackageManager().resolveService(
new Intent(RecognitionService.SERVICE_INTERFACE),
PackageManager.GET_META_DATA);
if (resolveInfo == null || resolveInfo.serviceInfo == null) {
Log.w(TAG, "Unable to resolve default voice recognition service.");
return "";
}
return new ComponentName(resolveInfo.serviceInfo.packageName,
resolveInfo.serviceInfo.name).flattenToShortString();
}
private Info findAssistantByPackageName(String packageName) {
for (int i = 0; i < mAvailableAssistants.size(); ++i) {
Info info = mAvailableAssistants.get(i);
if (info.component.getPackageName().equals(packageName)) {
return info;
}
}
return null;
}
private void addAssistServices() {
PackageManager pm = getContext().getPackageManager();
List<ResolveInfo> services = pm.queryIntentServices(
new Intent(VoiceInteractionService.SERVICE_INTERFACE),
PackageManager.GET_META_DATA);
for (int i = 0; i < services.size(); ++i) {
ResolveInfo resolveInfo = services.get(i);
VoiceInteractionServiceInfo voiceInteractionServiceInfo =
new VoiceInteractionServiceInfo(pm, resolveInfo.serviceInfo);
if (!voiceInteractionServiceInfo.getSupportsAssist()) {
continue;
}
mAvailableAssistants.add(new Info(
new ComponentName(resolveInfo.serviceInfo.packageName,
resolveInfo.serviceInfo.name),
voiceInteractionServiceInfo));
}
}
private void addAssistActivities() {
PackageManager pm = getContext().getPackageManager();
List<ResolveInfo> activities = pm.queryIntentActivities(
new Intent(Intent.ACTION_ASSIST),
PackageManager.MATCH_DEFAULT_ONLY);
for (int i = 0; i < activities.size(); ++i) {
ResolveInfo resolveInfo = activities.get(i);
mAvailableAssistants.add(new Info(
new ComponentName(resolveInfo.activityInfo.packageName,
resolveInfo.activityInfo.name)));
}
}
public ComponentName getCurrentAssist() {
String currentSetting = Settings.Secure.getString(getContext().getContentResolver(),
Settings.Secure.ASSISTANT);
return currentSetting == null ? null : ComponentName.unflattenFromString(currentSetting);
}
public void refreshAssistApps() {
mAvailableAssistants.clear();
addAssistServices();
addAssistActivities();
List<String> packages = new ArrayList<>();
for (int i = 0; i < mAvailableAssistants.size(); ++i) {
String packageName = mAvailableAssistants.get(i).component.getPackageName();
if (packages.contains(packageName)) {
// A service appears before an activity thus overrides it if from the same package.
continue;
}
packages.add(packageName);
}
ComponentName currentAssist = getCurrentAssist();
setPackageNames(packages.toArray(new String[packages.size()]),
currentAssist == null ? null : currentAssist.getPackageName());
}
private static class Info {
public final ComponentName component;
public final VoiceInteractionServiceInfo voiceInteractionServiceInfo;
Info(ComponentName component) {
this.component = component;
this.voiceInteractionServiceInfo = null;
}
Info(ComponentName component, VoiceInteractionServiceInfo voiceInteractionServiceInfo) {
this.component = component;
this.voiceInteractionServiceInfo = voiceInteractionServiceInfo;
}
public boolean isVoiceInteractionService() {
return voiceInteractionServiceInfo != null;
}
}
}

73
src/com/android/settings/applications/ManageAssist.java
View File

@@ -16,6 +16,9 @@
package com.android.settings.applications;
import android.app.AlertDialog;
import android.content.ComponentName;
import android.content.DialogInterface;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.SwitchPreference;
@@ -25,6 +28,7 @@ import com.android.internal.logging.MetricsLogger;
import com.android.settings.InstrumentedFragment;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.voice.VoiceInputListPreference;
/**
* Settings screen to manage everything about assist.
@@ -32,18 +36,29 @@ import com.android.settings.SettingsPreferenceFragment;
public class ManageAssist extends SettingsPreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String KEY_DEFAULT_ASSIST = "default_assist";
private static final String KEY_CONTEXT = "context";
private static final String KEY_VOICE_INPUT = "voice_input_settings";
private DefaultAssistPreference mDefaultAssitPref;
private SwitchPreference mContextPref;
private VoiceInputListPreference mVoiceInputPref;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.manage_assist);
mDefaultAssitPref = (DefaultAssistPreference) findPreference(KEY_DEFAULT_ASSIST);
mDefaultAssitPref.setOnPreferenceChangeListener(this);
mContextPref = (SwitchPreference) findPreference(KEY_CONTEXT);
mContextPref.setChecked(Settings.Secure.getInt(getContentResolver(),
Settings.Secure.ASSIST_STRUCTURE_ENABLED, 1) != 0);
mContextPref.setOnPreferenceChangeListener(this);
mVoiceInputPref = (VoiceInputListPreference) findPreference(KEY_VOICE_INPUT);
updateUi();
}
@Override
@@ -58,6 +73,64 @@ public class ManageAssist extends SettingsPreferenceFragment
(boolean) newValue ? 1 : 0);
return true;
}
if (preference == mDefaultAssitPref) {
String newAssitPackage = (String)newValue;
if (newAssitPackage == null ||
newAssitPackage.contentEquals(DefaultAssistPreference.ITEM_NONE_VALUE)) {
setDefaultAssist(DefaultAssistPreference.ITEM_NONE_VALUE);
return false;
}
final String currentPackage = mDefaultAssitPref.getValue();
if (currentPackage == null || !newAssitPackage.contentEquals(currentPackage)) {
confirmNewAssist(newAssitPackage);
}
return false;
}
return false;
}
private void updateUi() {
mDefaultAssitPref.refreshAssistApps();
final ComponentName currentAssist = mDefaultAssitPref.getCurrentAssist();
final boolean hasAssistant = currentAssist != null;
if (hasAssistant) {
getPreferenceScreen().addPreference(mContextPref);
} else {
getPreferenceScreen().removePreference(mContextPref);
}
mVoiceInputPref.setAssistRestrict(currentAssist);
mVoiceInputPref.refreshVoiceInputs();
}
private void confirmNewAssist(final String newAssitPackage) {
final int selected = mDefaultAssitPref.findIndexOfValue(newAssitPackage);
final CharSequence appLabel = mDefaultAssitPref.getEntries()[selected];
final String title = getString(R.string.assistant_security_warning_title, appLabel);
final String message = getString(R.string.assistant_security_warning, appLabel);
final DialogInterface.OnClickListener onAgree = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setDefaultAssist(newAssitPackage);
}
};
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setTitle(title)
.setMessage(message)
.setCancelable(true)
.setPositiveButton(R.string.assistant_security_warning_agree, onAgree)
.setNegativeButton(R.string.assistant_security_warning_disagree, null);
AlertDialog dialog = builder.create();
dialog.show();
}
private void setDefaultAssist(String assistPackage) {
mDefaultAssitPref.setValue(assistPackage);
updateUi();
}
}