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Commit 9f54ab9a authored by jasonwshsu's avatar jasonwshsu
Browse files

Redesign roles of variable mUserShortcutTypesCache & mUserShortcutTypes 

* mUserShortcutTypesCache -> get value from savedInstanceState only
* mUserShortcutTypes -> use local variables to replace its mission

Bug: 158540780
Test: atest ToggleFeaturePreferenceFragmentTest
Change-Id: I1473f89ed743261f616e8d19733bae829c9dbb02
parent c79680cb

src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragment.java

+0 −6
Original line number Diff line number Diff line
@@ -313,12 +313,6 @@ public class ToggleAccessibilityServicePreferenceFragment extends 


    @Override

    public void onSettingsClicked(ShortcutPreference preference) {

        // Do not restore shortcut in shortcut chooser dialog when shortcutPreference is turned off.

        mUserShortcutTypesCache = mShortcutPreference.isChecked()

                ? retrieveUserShortcutType(getPrefContext(), mComponentName.flattenToString(),

                UserShortcutType.SOFTWARE)

                : UserShortcutType.EMPTY;



        final boolean isServiceOnOrShortcutAdded = mShortcutPreference.isChecked()

                || mToggleServiceDividerSwitchPreference.isChecked();

        showPopupDialog(isServiceOnOrShortcutAdded ? DialogEnums.EDIT_SHORTCUT

src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java

+99 −89
Original line number Diff line number Diff line
@@ -16,11 +16,6 @@ 


package com.android.settings.accessibility;



import static com.android.settings.accessibility.AccessibilityUtil.getScreenHeightPixels;

import static com.android.settings.accessibility.AccessibilityUtil.getScreenWidthPixels;

import static com.android.settings.accessibility.PreferredShortcuts.retrieveUserShortcutType;

import static com.android.settings.accessibility.PreferredShortcuts.saveUserShortcutType;



import android.app.Dialog;

import android.app.settings.SettingsEnums;

import android.content.ComponentName;
@@ -92,8 +87,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
    protected static final String KEY_GENERAL_CATEGORY = "general_categories";

    protected static final String KEY_INTRODUCTION_CATEGORY = "introduction_categories";

    private static final String KEY_SHORTCUT_PREFERENCE = "shortcut_preference";

    @VisibleForTesting

    static final String EXTRA_SHORTCUT_TYPE = "shortcut_type";

    protected static final String KEY_SAVED_USER_SHORTCUT_TYPE = "shortcut_type";



    private TouchExplorationStateChangeListener mTouchExplorationStateChangeListener;

    private SettingsContentObserver mSettingsContentObserver;
@@ -101,9 +95,9 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
    private CheckBox mSoftwareTypeCheckBox;

    private CheckBox mHardwareTypeCheckBox;



    // Used to restore the edit dialog status.

    protected int mUserShortcutTypesCache = UserShortcutType.EMPTY;

    protected int mUserShortcutTypes = UserShortcutType.EMPTY;

    public static final int NOT_SET = -1;

    // Save user's shortcutType value when savedInstance has value (e.g. device rotated).

    protected int mSavedCheckBoxValue = NOT_SET;



    // For html description of accessibility service, must follow the rule, such as

    // <img src="R.drawable.fileName"/>, a11y settings will get the resources successfully.
@@ -125,10 +119,11 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);



        // Restore the user shortcut type.

        if (savedInstanceState != null && savedInstanceState.containsKey(EXTRA_SHORTCUT_TYPE)) {

            mUserShortcutTypesCache = savedInstanceState.getInt(EXTRA_SHORTCUT_TYPE,

                    UserShortcutType.EMPTY);

        if (savedInstanceState != null && savedInstanceState.containsKey(

                KEY_SAVED_USER_SHORTCUT_TYPE)) {

            mSavedCheckBoxValue = savedInstanceState.getInt(KEY_SAVED_USER_SHORTCUT_TYPE, NOT_SET);

        }



        setupDefaultShortcutIfNecessary(getPrefContext());
@@ -188,6 +183,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
    @Override

    public void onResume() {

        super.onResume();



        final AccessibilityManager am = getPrefContext().getSystemService(

                AccessibilityManager.class);

        am.addTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
@@ -207,7 +203,10 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 


    @Override

    public void onSaveInstanceState(Bundle outState) {

        outState.putInt(EXTRA_SHORTCUT_TYPE, mUserShortcutTypesCache);

        final int value = getShortcutTypeCheckBoxValue();

        if (value != NOT_SET) {

            outState.putInt(KEY_SAVED_USER_SHORTCUT_TYPE, value);

        }

        super.onSaveInstanceState(outState);

    }
@@ -220,7 +219,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
                        R.string.accessibility_shortcut_title, mPackageName);

                dialog = AccessibilityEditDialogUtils.showEditShortcutDialog(

                        getPrefContext(), dialogTitle, this::callOnAlertDialogCheckboxClicked);

                initializeDialogCheckBox(dialog);

                setupEditShortcutDialog(dialog);

                return dialog;

            case DialogEnums.LAUNCH_ACCESSIBILITY_TUTORIAL:

                dialog = AccessibilityGestureNavigationTutorial
@@ -379,8 +378,8 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
        mImageGetterCacheView.setImageURI(null);

        final int imageWidth = drawable.getIntrinsicWidth();

        final int imageHeight = drawable.getIntrinsicHeight();

        final int screenHalfHeight = getScreenHeightPixels(getPrefContext()) / /* half */ 2;

        if ((imageWidth > getScreenWidthPixels(getPrefContext()))

        final int screenHalfHeight = AccessibilityUtil.getScreenHeightPixels(getPrefContext()) / 2;

        if ((imageWidth > AccessibilityUtil.getScreenWidthPixels(getPrefContext()))

                || (imageHeight > screenHalfHeight)) {

            return null;

        }
@@ -396,7 +395,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
            return;

        }



        final int screenHalfHeight = getScreenHeightPixels(getPrefContext()) / /* half */ 2;

        final int screenHalfHeight = AccessibilityUtil.getScreenHeightPixels(getPrefContext()) / 2;

        final AnimatedImagePreference animatedImagePreference =

                new AnimatedImagePreference(getPrefContext());

        animatedImagePreference.setImageUri(mImageUri);
@@ -425,6 +424,20 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
        getPreferenceScreen().addPreference(generalCategory);

    }



    protected void initShortcutPreference() {

        // Initial the shortcut preference.

        mShortcutPreference = new ShortcutPreference(getPrefContext(), /* attrs= */ null);

        mShortcutPreference.setPersistent(false);

        mShortcutPreference.setKey(getShortcutPreferenceKey());

        mShortcutPreference.setOnClickCallback(this);



        final CharSequence title = getString(R.string.accessibility_shortcut_title, mPackageName);

        mShortcutPreference.setTitle(title);



        final PreferenceCategory generalCategory = findPreference(KEY_GENERAL_CATEGORY);

        generalCategory.addPreference(mShortcutPreference);

    }



    protected void initSettingsPreference() {

        if (mSettingsTitle == null || mSettingsIntent == null) {

            return;
@@ -478,16 +491,8 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
        }

    }



    private void setDialogTextAreaClickListener(View dialogView, CheckBox checkBox) {

        final View dialogTextArea = dialogView.findViewById(R.id.container);

        dialogTextArea.setOnClickListener(v -> {

            checkBox.toggle();

            updateUserShortcutType(/* saveChanges= */ false);

        });

    }



    @VisibleForTesting

    void initializeDialogCheckBox(Dialog dialog) {

    void setupEditShortcutDialog(Dialog dialog) {

        final View dialogSoftwareView = dialog.findViewById(R.id.software_shortcut);

        mSoftwareTypeCheckBox = dialogSoftwareView.findViewById(R.id.checkbox);

        setDialogTextAreaClickListener(dialogSoftwareView, mSoftwareTypeCheckBox);
@@ -496,39 +501,58 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
        mHardwareTypeCheckBox = dialogHardwareView.findViewById(R.id.checkbox);

        setDialogTextAreaClickListener(dialogHardwareView, mHardwareTypeCheckBox);



        updateAlertDialogCheckState();

        updateEditShortcutDialogCheckBox();

    }



    private void updateAlertDialogCheckState() {

        if (mUserShortcutTypesCache != UserShortcutType.EMPTY) {

            updateCheckStatus(mSoftwareTypeCheckBox, UserShortcutType.SOFTWARE);

            updateCheckStatus(mHardwareTypeCheckBox, UserShortcutType.HARDWARE);

    private void setDialogTextAreaClickListener(View dialogView, CheckBox checkBox) {

        final View dialogTextArea = dialogView.findViewById(R.id.container);

        dialogTextArea.setOnClickListener(v -> checkBox.toggle());

    }



    private void updateEditShortcutDialogCheckBox() {

        // If it is during onConfigChanged process then restore the value, or get the saved value

        // when shortcutPreference is checked.

        int value = restoreOnConfigChangedValue();

        if (value == NOT_SET) {

            final int lastNonEmptyUserShortcutType = PreferredShortcuts.retrieveUserShortcutType(

                    getPrefContext(), mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

            value = mShortcutPreference.isChecked() ? lastNonEmptyUserShortcutType

                    : UserShortcutType.EMPTY;

        }



    private void updateCheckStatus(CheckBox checkBox, @UserShortcutType int type) {

        checkBox.setChecked((mUserShortcutTypesCache & type) == type);

        mSoftwareTypeCheckBox.setChecked(

                hasShortcutType(value, UserShortcutType.SOFTWARE));

        mHardwareTypeCheckBox.setChecked(

                hasShortcutType(value, UserShortcutType.HARDWARE));

    }



    @VisibleForTesting

    void updateUserShortcutType(boolean saveChanges) {

        mUserShortcutTypesCache = UserShortcutType.EMPTY;

        if (mSoftwareTypeCheckBox.isChecked()) {

            mUserShortcutTypesCache |= UserShortcutType.SOFTWARE;

    private int restoreOnConfigChangedValue() {

        final int savedValue = mSavedCheckBoxValue;

        mSavedCheckBoxValue = NOT_SET;

        return savedValue;

    }

        if (mHardwareTypeCheckBox.isChecked()) {

            mUserShortcutTypesCache |= UserShortcutType.HARDWARE;



    private boolean hasShortcutType(int value, @UserShortcutType int type) {

        return (value & type) == type;

    }



        if (saveChanges) {

            final boolean isChanged = (mUserShortcutTypesCache != UserShortcutType.EMPTY);

            if (isChanged) {

                final PreferredShortcut shortcut = new PreferredShortcut(

                        mComponentName.flattenToString(), mUserShortcutTypesCache);

                saveUserShortcutType(getPrefContext(), shortcut);

    /**

     * Returns accumulated {@link UserShortcutType} checkbox value or {@code NOT_SET} if checkboxes

     * did not exist.

     */

    protected int getShortcutTypeCheckBoxValue() {

        if (mSoftwareTypeCheckBox == null || mHardwareTypeCheckBox == null) {

            return NOT_SET;

        }

            mUserShortcutTypes = mUserShortcutTypesCache;



        int value = UserShortcutType.EMPTY;

        if (mSoftwareTypeCheckBox.isChecked()) {

            value |= UserShortcutType.SOFTWARE;

        }

        if (mHardwareTypeCheckBox.isChecked()) {

            value |= UserShortcutType.HARDWARE;

        }

        return value;

    }



    protected CharSequence getShortcutTypeSummary(Context context) {
@@ -540,7 +564,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
            return context.getText(R.string.switch_off_text);

        }



        final int shortcutTypes = retrieveUserShortcutType(context,

        final int shortcutTypes = PreferredShortcuts.retrieveUserShortcutType(context,

                mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

        int resId = R.string.accessibility_shortcut_edit_summary_software;

        if (AccessibilityUtil.isGestureNavigateEnabled(context)) {
@@ -581,14 +605,13 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
            return;

        }



        updateUserShortcutType(/* saveChanges= */ true);

        AccessibilityUtil.optInAllValuesToSettings(getPrefContext(), mUserShortcutTypes,

                mComponentName);

        AccessibilityUtil.optOutAllValuesFromSettings(getPrefContext(), ~mUserShortcutTypes,

                mComponentName);

        mShortcutPreference.setChecked(mUserShortcutTypes != UserShortcutType.EMPTY);

        mShortcutPreference.setSummary(

                getShortcutTypeSummary(getPrefContext()));

        final int value = getShortcutTypeCheckBoxValue();



        saveNonEmptyUserShortcutType(value);

        AccessibilityUtil.optInAllValuesToSettings(getPrefContext(), value, mComponentName);

        AccessibilityUtil.optOutAllValuesFromSettings(getPrefContext(), ~value, mComponentName);

        mShortcutPreference.setChecked(value != UserShortcutType.EMPTY);

        mShortcutPreference.setSummary(getShortcutTypeSummary(getPrefContext()));

    }



    protected void updateShortcutPreferenceData() {
@@ -596,32 +619,13 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
            return;

        }



        // Get the user shortcut type from settings provider.

        mUserShortcutTypes = AccessibilityUtil.getUserShortcutTypesFromSettings(getPrefContext(),

                mComponentName);

        if (mUserShortcutTypes != UserShortcutType.EMPTY) {

        final int shortcutTypes = AccessibilityUtil.getUserShortcutTypesFromSettings(

                getPrefContext(), mComponentName);

        if (shortcutTypes != UserShortcutType.EMPTY) {

            final PreferredShortcut shortcut = new PreferredShortcut(

                    mComponentName.flattenToString(), mUserShortcutTypes);

            saveUserShortcutType(getPrefContext(), shortcut);

        } else {

            //  Get the user shortcut type from shared_prefs if cannot get from settings provider.

            mUserShortcutTypes = retrieveUserShortcutType(getPrefContext(),

                    mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

        }

                    mComponentName.flattenToString(), shortcutTypes);

            PreferredShortcuts.saveUserShortcutType(getPrefContext(), shortcut);

        }



    protected void initShortcutPreference() {

        // Initial the shortcut preference.

        mShortcutPreference = new ShortcutPreference(getPrefContext(), null);

        mShortcutPreference.setPersistent(false);

        mShortcutPreference.setKey(getShortcutPreferenceKey());

        mShortcutPreference.setOnClickCallback(this);



        final CharSequence title = getString(R.string.accessibility_shortcut_title, mPackageName);

        mShortcutPreference.setTitle(title);



        final PreferenceCategory generalCategory = findPreference(KEY_GENERAL_CATEGORY);

        generalCategory.addPreference(mShortcutPreference);

    }



    protected void updateShortcutPreference() {
@@ -629,7 +633,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
            return;

        }



        final int shortcutTypes = retrieveUserShortcutType(getPrefContext(),

        final int shortcutTypes = PreferredShortcuts.retrieveUserShortcutType(getPrefContext(),

                mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

        mShortcutPreference.setChecked(

                AccessibilityUtil.hasValuesInSettings(getPrefContext(), shortcutTypes,
@@ -647,7 +651,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
            return;

        }



        final int shortcutTypes = retrieveUserShortcutType(getPrefContext(),

        final int shortcutTypes = PreferredShortcuts.retrieveUserShortcutType(getPrefContext(),

                mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

        if (preference.isChecked()) {

            AccessibilityUtil.optInAllValuesToSettings(getPrefContext(), shortcutTypes,
@@ -662,11 +666,6 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 


    @Override

    public void onSettingsClicked(ShortcutPreference preference) {

        // Do not restore shortcut in shortcut chooser dialog when shortcutPreference is turned off.

        mUserShortcutTypesCache = mShortcutPreference.isChecked()

                ? retrieveUserShortcutType(getPrefContext(),

                mComponentName.flattenToString(), UserShortcutType.SOFTWARE)

                : UserShortcutType.EMPTY;

        showDialog(DialogEnums.EDIT_SHORTCUT);

    }
@@ -703,4 +702,15 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference 
                    shortcutName.flattenToString());

        }

    }



    @VisibleForTesting

    void saveNonEmptyUserShortcutType(int type) {

        if (type == UserShortcutType.EMPTY) {

            return;

        }



        final PreferredShortcut shortcut = new PreferredShortcut(

                mComponentName.flattenToString(), type);

        PreferredShortcuts.saveUserShortcutType(getPrefContext(), shortcut);

    }

}

tests/robotests/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragmentTest.java

+60 −14
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ 


package com.android.settings.accessibility;



import static com.android.settings.accessibility.ToggleFeaturePreferenceFragment.EXTRA_SHORTCUT_TYPE;

import static com.android.settings.accessibility.ToggleFeaturePreferenceFragment.KEY_SAVED_USER_SHORTCUT_TYPE;



import static com.google.common.truth.Truth.assertThat;
@@ -62,6 +62,7 @@ public class ToggleFeaturePreferenceFragmentTest { 
    private static final String PLACEHOLDER_CLASS_NAME = PLACEHOLDER_PACKAGE_NAME + ".placeholder";

    private static final ComponentName PLACEHOLDER_COMPONENT_NAME = new ComponentName(

            PLACEHOLDER_PACKAGE_NAME, PLACEHOLDER_CLASS_NAME);

    private static final String PLACEHOLDER_DIALOG_TITLE = "title";



    private static final String SOFTWARE_SHORTCUT_KEY =

            Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS;
@@ -100,8 +101,10 @@ public class ToggleFeaturePreferenceFragmentTest { 


        mFragment.updateShortcutPreferenceData();



        final int expectedType = PreferredShortcuts.retrieveUserShortcutType(mContext,

                mFragment.mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

        // Compare to default UserShortcutType

        assertThat(mFragment.mUserShortcutTypes).isEqualTo(UserShortcutType.SOFTWARE);

        assertThat(expectedType).isEqualTo(UserShortcutType.SOFTWARE);

    }



    @Test
@@ -112,8 +115,9 @@ public class ToggleFeaturePreferenceFragmentTest { 
        putStringIntoSettings(HARDWARE_SHORTCUT_KEY, PLACEHOLDER_COMPONENT_NAME.flattenToString());

        mFragment.updateShortcutPreferenceData();



        assertThat(mFragment.mUserShortcutTypes).isEqualTo(

                UserShortcutType.SOFTWARE | UserShortcutType.HARDWARE);

        final int expectedType = PreferredShortcuts.retrieveUserShortcutType(mContext,

                mFragment.mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

        assertThat(expectedType).isEqualTo(UserShortcutType.SOFTWARE | UserShortcutType.HARDWARE);

    }



    @Test
@@ -125,28 +129,70 @@ public class ToggleFeaturePreferenceFragmentTest { 
        putUserShortcutTypeIntoSharedPreference(mContext, hardwareShortcut);

        mFragment.updateShortcutPreferenceData();



        assertThat(mFragment.mUserShortcutTypes).isEqualTo(UserShortcutType.HARDWARE);

        final int expectedType = PreferredShortcuts.retrieveUserShortcutType(mContext,

                mFragment.mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

        assertThat(expectedType).isEqualTo(UserShortcutType.HARDWARE);

    }



    @Test

    public void setupEditShortcutDialog_shortcutPreferenceOff_checkboxIsEmptyValue() {

        mContext.setTheme(R.style.Theme_AppCompat);

        final AlertDialog dialog = AccessibilityEditDialogUtils.showEditShortcutDialog(

                mContext, PLACEHOLDER_DIALOG_TITLE, this::callEmptyOnClicked);

        final ShortcutPreference shortcutPreference = new ShortcutPreference(mContext, /* attrs= */

                null);

        mFragment.mComponentName = PLACEHOLDER_COMPONENT_NAME;

        mFragment.mShortcutPreference = shortcutPreference;



        mFragment.mShortcutPreference.setChecked(false);

        mFragment.setupEditShortcutDialog(dialog);



        final int checkboxValue = mFragment.getShortcutTypeCheckBoxValue();

        assertThat(checkboxValue).isEqualTo(UserShortcutType.EMPTY);

    }



    @Test

    public void setupEditShortcutDialog_shortcutPreferenceOn_checkboxIsSavedValue() {

        mContext.setTheme(R.style.Theme_AppCompat);

        final AlertDialog dialog = AccessibilityEditDialogUtils.showEditShortcutDialog(

                mContext, PLACEHOLDER_DIALOG_TITLE, this::callEmptyOnClicked);

        final ShortcutPreference shortcutPreference = new ShortcutPreference(mContext, /* attrs= */

                null);

        final PreferredShortcut hardwareShortcut = new PreferredShortcut(

                PLACEHOLDER_COMPONENT_NAME.flattenToString(), UserShortcutType.HARDWARE);

        mFragment.mComponentName = PLACEHOLDER_COMPONENT_NAME;

        mFragment.mShortcutPreference = shortcutPreference;



        PreferredShortcuts.saveUserShortcutType(mContext, hardwareShortcut);

        mFragment.mShortcutPreference.setChecked(true);

        mFragment.setupEditShortcutDialog(dialog);



        final int checkboxValue = mFragment.getShortcutTypeCheckBoxValue();

        assertThat(checkboxValue).isEqualTo(UserShortcutType.HARDWARE);

    }



    @Test

    @Config(shadows = ShadowFragment.class)

    public void restoreValueFromSavedInstanceState_assignToVariable() {

        mContext.setTheme(R.style.Theme_AppCompat);

        final String dialogTitle = "title";

        final AlertDialog dialog = AccessibilityEditDialogUtils.showEditShortcutDialog(

                mContext, dialogTitle, this::callEmptyOnClicked);

                mContext, PLACEHOLDER_DIALOG_TITLE, this::callEmptyOnClicked);

        final Bundle savedInstanceState = new Bundle();

        final ShortcutPreference shortcutPreference = new ShortcutPreference(mContext, /* attrs= */

                null);

        mFragment.mComponentName = PLACEHOLDER_COMPONENT_NAME;

        mFragment.mShortcutPreference = shortcutPreference;



        savedInstanceState.putInt(EXTRA_SHORTCUT_TYPE,

        savedInstanceState.putInt(KEY_SAVED_USER_SHORTCUT_TYPE,

                UserShortcutType.SOFTWARE | UserShortcutType.HARDWARE);

        mFragment.onCreate(savedInstanceState);

        mFragment.initializeDialogCheckBox(dialog);

        mFragment.updateUserShortcutType(true);



        assertThat(mFragment.mUserShortcutTypes).isEqualTo(

                UserShortcutType.SOFTWARE | UserShortcutType.HARDWARE);

        mFragment.setupEditShortcutDialog(dialog);

        final int value = mFragment.getShortcutTypeCheckBoxValue();

        mFragment.saveNonEmptyUserShortcutType(value);



        final int expectedType = PreferredShortcuts.retrieveUserShortcutType(mContext,

                mFragment.mComponentName.flattenToString(), UserShortcutType.SOFTWARE);

        assertThat(expectedType).isEqualTo(UserShortcutType.SOFTWARE | UserShortcutType.HARDWARE);

    }



    private void putStringIntoSettings(String key, String componentName) {