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Make A11y SUW launchable from SUW and small UX changes based on last round of

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UX studies.

Change-Id: I9c20cd3abf910a37731da2af604f3af2cd30e942
This commit is contained in:
Anna Galusza
2016-01-08 14:37:16 -08:00
parent befdce36fd
commit b1795f5549
14 changed files with 268 additions and 84 deletions
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77
src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
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@@ -16,15 +16,24 @@
package com.android.settings.accessibility;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.pm.ServiceInfo;
import android.content.res.Resources;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v7.preference.Preference;
import android.view.accessibility.AccessibilityManager;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.DialogCreatable;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import java.util.List;
/**
* Activity with the accessibility settings specific to Setup Wizard.
*/
@@ -34,7 +43,6 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
// Preferences.
private static final String DISPLAY_MAGNIFICATION_PREFERENCE =
"screen_magnification_preference";
private static final String DISPLAY_DALTONIZER_PREFERENCE = "daltonizer_preference";
private static final String TALKBACK_PREFERENCE = "talkback_preference";
private static final String FONT_SIZE_PREFERENCE = "font_size_preference";
@@ -42,7 +50,6 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
// Preference controls.
private Preference mDisplayMagnificationPreference;
private Preference mDisplayDaltonizerPreference;
private Preference mFontSizePreference;
private Preference mTalkbackPreference;
@@ -62,7 +69,6 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
addPreferencesFromResource(R.xml.accessibility_settings_for_setup_wizard);
mDisplayMagnificationPreference = findPreference(DISPLAY_MAGNIFICATION_PREFERENCE);
mDisplayDaltonizerPreference = findPreference(DISPLAY_DALTONIZER_PREFERENCE);
mFontSizePreference = findPreference(FONT_SIZE_PREFERENCE);
mTalkbackPreference = findPreference(TALKBACK_PREFERENCE);
@@ -86,6 +92,43 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
return false;
}
/**
* Returns a semicolon-delimited string containing a list of all the
* installed {@link AccessibilityService}s that provide at least one
* required feedback type.
*
* @param context The {@link android.app.Activity} context.
* @param requiredFeedbackTypes An integer mask containing the required
* feedback types.
* @return A semicolon-delimited string containing a list of accessibility services.
*/
private String getAccessibilityServicesFiltered(
Context context, int requiredFeedbackTypes) {
final AccessibilityManager manager = context.getSystemService(AccessibilityManager.class);
final List<AccessibilityServiceInfo> accessibilityServices = manager
.getInstalledAccessibilityServiceList();
final StringBuilder servicesToEnable = new StringBuilder();
for (AccessibilityServiceInfo accessibilityService : accessibilityServices) {
if ((accessibilityService.feedbackType & requiredFeedbackTypes) == 0) {
continue;
}
final ServiceInfo serviceInfo = accessibilityService.getResolveInfo().serviceInfo;
final ComponentName componentName = new ComponentName(serviceInfo.packageName,
serviceInfo.name);
servicesToEnable.append(componentName.flattenToString());
servicesToEnable.append(':');
}
if (servicesToEnable.length() > 0) {
servicesToEnable.deleteCharAt(servicesToEnable.length() - 1);
}
return servicesToEnable.toString();
}
@Override
public boolean onPreferenceTreeClick(Preference preference) {
if (mDisplayMagnificationPreference == preference) {
@@ -98,6 +141,32 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
extras.putBoolean(AccessibilitySettings.EXTRA_CHECKED,
Settings.Secure.getInt(getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, 0) == 1);
} else if (mTalkbackPreference == preference) {
// Toggle Talkback. The tutorial will automatically start when Talkback is first
// activated.
final ContentResolver resolver = getContentResolver();
final boolean enable =
Settings.Secure.getInt(resolver, Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 0;
final String servicesToEnable = getAccessibilityServicesFiltered(
getActivity(), AccessibilityServiceInfo.FEEDBACK_SPOKEN);
// Enable all accessibility services with spoken feedback type.
Settings.Secure.putString(resolver, Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES,
enable ? servicesToEnable : "");
// Allow the services we just enabled to toggle touch exploration.
Settings.Secure.putString(resolver,
Settings.Secure.TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
enable ? servicesToEnable : "");
// Enable touch exploration.
Settings.Secure.putInt(resolver, Settings.Secure.TOUCH_EXPLORATION_ENABLED,
enable ? 1 : 0);
// Turn on accessibility mode last, since enabling accessibility with no
// services has no effect.
Settings.Secure.putInt(resolver, Settings.Secure.ACCESSIBILITY_ENABLED, enable ? 1 : 0);
}
return super.onPreferenceTreeClick(preference);
@@ -106,8 +175,6 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
private void updatePreferences() {
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
mDisplayMagnificationPreference);
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
mDisplayDaltonizerPreference);
updateFontSizeSummary(mFontSizePreference);
}