Fix OverlayManager access for Google3 compatibility
Test: ./update.sh manual on Google3
Change-Id: I6d169df43e30fcc8c4d2480eac4346b6dda87d37
diff --git a/car-ui-lib/src/com/android/car/ui/drawable/CarUiTextDrawable.java b/car-ui-lib/src/com/android/car/ui/drawable/CarUiTextDrawable.java
index 0587cf9..3487d24 100644
--- a/car-ui-lib/src/com/android/car/ui/drawable/CarUiTextDrawable.java
+++ b/car-ui-lib/src/com/android/car/ui/drawable/CarUiTextDrawable.java
@@ -63,11 +63,12 @@
* cause the target application to crash.</b>
*/
public class CarUiTextDrawable extends Drawable {
- private TextPaint mPaint = new TextPaint();
- private Rect mTextBounds = new Rect(); // Minimum bounds of the text only.
+ private final TextPaint mPaint = new TextPaint();
+ private final Rect mTextBounds = new Rect(); // Minimum bounds of the text only.
// Attributes initialized during inflation
- private @Nullable String mText;
+ @Nullable
+ private String mText;
private Typeface mTypeface = Typeface.DEFAULT;
private float mTextSize = 10;
private int mTextColor = Color.WHITE;
@@ -170,7 +171,8 @@
* Text height is calculated based on a fixed sample text (to avoid height
* changing every time a different text is rendered)
*/
- private void calculateTextBounds(TextPaint paint, @Nullable String text, Rect outBounds) {
+ private static void calculateTextBounds(TextPaint paint, @Nullable String text,
+ Rect outBounds) {
outBounds.setEmpty();
paint.getTextBounds(TEXT_HEIGHT_SAMPLE, 0, TEXT_HEIGHT_SAMPLE.length(), outBounds);
@@ -192,10 +194,11 @@
}
}
- private @NonNull TypedArray themedObtainAttributes(@NonNull Resources res,
- @Nullable Resources.Theme theme,
- @NonNull AttributeSet set,
- @NonNull int[] attrs) {
+ @NonNull
+ private static TypedArray themedObtainAttributes(@NonNull Resources res,
+ @Nullable Resources.Theme theme,
+ @NonNull AttributeSet set,
+ @NonNull int[] attrs) {
if (theme == null) {
return res.obtainAttributes(set, attrs);
}
diff --git a/car-ui-lib/src/com/android/car/ui/preference/CarUiDropDownPreference.java b/car-ui-lib/src/com/android/car/ui/preference/CarUiDropDownPreference.java
index 75582f5..8be466f 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/CarUiDropDownPreference.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/CarUiDropDownPreference.java
@@ -29,7 +29,7 @@
*/
public class CarUiDropDownPreference extends DropDownPreference {
- private Context mContext;
+ private final Context mContext;
public CarUiDropDownPreference(Context context) {
super(context);
diff --git a/car-ui-lib/src/com/android/car/ui/preference/CarUiEditTextPreference.java b/car-ui-lib/src/com/android/car/ui/preference/CarUiEditTextPreference.java
index 6311835..079ab39 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/CarUiEditTextPreference.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/CarUiEditTextPreference.java
@@ -29,7 +29,7 @@
*/
public class CarUiEditTextPreference extends EditTextPreference {
- private Context mContext;
+ private final Context mContext;
public CarUiEditTextPreference(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
diff --git a/car-ui-lib/src/com/android/car/ui/preference/CarUiListPreference.java b/car-ui-lib/src/com/android/car/ui/preference/CarUiListPreference.java
index 989eb34..24d940c 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/CarUiListPreference.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/CarUiListPreference.java
@@ -29,7 +29,7 @@
*/
public class CarUiListPreference extends ListPreference {
- private Context mContext;
+ private final Context mContext;
public CarUiListPreference(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
diff --git a/car-ui-lib/src/com/android/car/ui/preference/CarUiMultiSelectListPreference.java b/car-ui-lib/src/com/android/car/ui/preference/CarUiMultiSelectListPreference.java
index d1452cd..0bd0582 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/CarUiMultiSelectListPreference.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/CarUiMultiSelectListPreference.java
@@ -29,7 +29,7 @@
*/
public class CarUiMultiSelectListPreference extends MultiSelectListPreference {
- private Context mContext;
+ private final Context mContext;
public CarUiMultiSelectListPreference(Context context) {
super(context);
diff --git a/car-ui-lib/src/com/android/car/ui/preference/CarUiPreference.java b/car-ui-lib/src/com/android/car/ui/preference/CarUiPreference.java
index 63472c4..2e63460 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/CarUiPreference.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/CarUiPreference.java
@@ -29,7 +29,7 @@
*/
public class CarUiPreference extends Preference {
- private Context mContext;
+ private final Context mContext;
public CarUiPreference(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
diff --git a/car-ui-lib/src/com/android/car/ui/preference/CarUiRecyclerViewRadioButtonAdapter.java b/car-ui-lib/src/com/android/car/ui/preference/CarUiRecyclerViewRadioButtonAdapter.java
index 93c74dd..7c6ab9e 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/CarUiRecyclerViewRadioButtonAdapter.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/CarUiRecyclerViewRadioButtonAdapter.java
@@ -47,7 +47,7 @@
private OnRadioButtonClickedListener mOnRadioButtonClickedListener;
- private List<String> mList;
+ private final List<String> mList;
private int mSelectedPosition = -1;
public CarUiRecyclerViewRadioButtonAdapter(List<String> list, int position) {
diff --git a/car-ui-lib/src/com/android/car/ui/preference/ListPreferenceDialogFragment.java b/car-ui-lib/src/com/android/car/ui/preference/ListPreferenceDialogFragment.java
index 2d68940..9395fbf 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/ListPreferenceDialogFragment.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/ListPreferenceDialogFragment.java
@@ -113,8 +113,8 @@
toolbar.registerOnBackListener(this);
ArrayList<String> entries = new ArrayList<>();
- for (int i = 0; i < mEntries.length; i++) {
- entries.add(mEntries[i].toString());
+ for (CharSequence element : mEntries) {
+ entries.add(element.toString());
}
mCarUiRecyclerView = mDialogView.findViewById(R.id.radio_list);
diff --git a/car-ui-lib/src/com/android/car/ui/toolbar/MenuItem.java b/car-ui-lib/src/com/android/car/ui/toolbar/MenuItem.java
index f6a3299..bf291b4 100644
--- a/car-ui-lib/src/com/android/car/ui/toolbar/MenuItem.java
+++ b/car-ui-lib/src/com/android/car/ui/toolbar/MenuItem.java
@@ -48,7 +48,7 @@
final int mCustomLayoutId;
private final boolean mIsSearch;
@CarUxRestrictions.CarUxRestrictionsInfo
- private int mUxRestrictions;
+ private final int mUxRestrictions;
private Listener mListener;
private CharSequence mTitle;
diff --git a/car-ui-lib/src/com/android/car/ui/toolbar/MenuItemRenderer.java b/car-ui-lib/src/com/android/car/ui/toolbar/MenuItemRenderer.java
index 3241ba1..47812ce 100644
--- a/car-ui-lib/src/com/android/car/ui/toolbar/MenuItemRenderer.java
+++ b/car-ui-lib/src/com/android/car/ui/toolbar/MenuItemRenderer.java
@@ -36,8 +36,8 @@
private Toolbar.State mToolbarState;
private CarUxRestrictions mUxRestrictions;
- private MenuItem mMenuItem;
- private ViewGroup mParentView;
+ private final MenuItem mMenuItem;
+ private final ViewGroup mParentView;
private View mView;
private boolean mPreviouslySetOnClickListener = false;
diff --git a/car-ui-lib/src/com/android/car/ui/toolbar/Toolbar.java b/car-ui-lib/src/com/android/car/ui/toolbar/Toolbar.java
index 95da690..1dd8ec2 100644
--- a/car-ui-lib/src/com/android/car/ui/toolbar/Toolbar.java
+++ b/car-ui-lib/src/com/android/car/ui/toolbar/Toolbar.java
@@ -143,7 +143,7 @@
@NonNull
private List<MenuItem> mMenuItems = Collections.emptyList();
private List<MenuItem> mOverflowItems = new ArrayList<>();
- private List<MenuItemRenderer> mMenuItemRenderers = new ArrayList<>();
+ private final List<MenuItemRenderer> mMenuItemRenderers = new ArrayList<>();
private AlertDialog mOverflowDialog;
public Toolbar(Context context) {
diff --git a/car-ui-lib/src/com/android/car/ui/uxr/DrawableStateButton.java b/car-ui-lib/src/com/android/car/ui/uxr/DrawableStateButton.java
index 6acfbbc..9e5e1ce 100644
--- a/car-ui-lib/src/com/android/car/ui/uxr/DrawableStateButton.java
+++ b/car-ui-lib/src/com/android/car/ui/uxr/DrawableStateButton.java
@@ -15,11 +15,12 @@
*/
package com.android.car.ui.uxr;
-import android.annotation.Nullable;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.Button;
+import androidx.annotation.Nullable;
+
/**
* A {@link Button} that implements {@link DrawableStateView}, for allowing additional states
* such as ux restriction.
diff --git a/car-ui-lib/src/com/android/car/ui/uxr/DrawableStateSwitch.java b/car-ui-lib/src/com/android/car/ui/uxr/DrawableStateSwitch.java
index bf95e30..bfa018c 100644
--- a/car-ui-lib/src/com/android/car/ui/uxr/DrawableStateSwitch.java
+++ b/car-ui-lib/src/com/android/car/ui/uxr/DrawableStateSwitch.java
@@ -15,11 +15,12 @@
*/
package com.android.car.ui.uxr;
-import android.annotation.Nullable;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.Switch;
+import androidx.annotation.Nullable;
+
/**
* A {@link Switch} that implements {@link DrawableStateView}, for allowing additional states
* such as ux restriction.
diff --git a/car-ui-lib/tests/paintbooth/AndroidManifest.xml b/car-ui-lib/tests/paintbooth/AndroidManifest.xml
index d7660d8..8c43fda 100644
--- a/car-ui-lib/tests/paintbooth/AndroidManifest.xml
+++ b/car-ui-lib/tests/paintbooth/AndroidManifest.xml
@@ -63,7 +63,7 @@
<meta-data android:name="distractionOptimized" android:value="true"/>
</activity>
<activity
- android:name=".OverlayActivity"
+ android:name=".overlays.OverlayActivity"
android:exported="false"
android:parentActivityName=".MainActivity">
<meta-data android:name="distractionOptimized" android:value="true"/>
diff --git a/car-ui-lib/tests/paintbooth/res/values/strings.xml b/car-ui-lib/tests/paintbooth/res/values/strings.xml
index e1c8ca8..c9a4ce2 100644
--- a/car-ui-lib/tests/paintbooth/res/values/strings.xml
+++ b/car-ui-lib/tests/paintbooth/res/values/strings.xml
@@ -130,5 +130,5 @@
<string name="title_copyable_preference">Copyable preference</string>
<!-- Summary of a copyable preference [CHAR_LIMIT=NONE]-->
<string name="summary_copyable_preference">Long press on this preference to copy its summary</string>
- <string name="preference_title">Settings</string>
+
</resources>
diff --git a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/MainActivity.java b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/MainActivity.java
index 22b5af2..4f99107 100644
--- a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/MainActivity.java
+++ b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/MainActivity.java
@@ -31,6 +31,7 @@
import com.android.car.ui.paintbooth.caruirecyclerview.CarUiRecyclerViewActivity;
import com.android.car.ui.paintbooth.caruirecyclerview.GridCarUiRecyclerViewActivity;
import com.android.car.ui.paintbooth.dialogs.DialogsActivity;
+import com.android.car.ui.paintbooth.overlays.OverlayActivity;
import com.android.car.ui.paintbooth.preferences.PreferenceActivity;
import com.android.car.ui.paintbooth.toolbar.ToolbarActivity;
import com.android.car.ui.recyclerview.CarUiRecyclerView;
@@ -46,7 +47,7 @@
/**
* List of all sample activities.
*/
- private List<Pair<String, Class<? extends Activity>>> mActivities = Arrays.asList(
+ private final List<Pair<String, Class<? extends Activity>>> mActivities = Arrays.asList(
Pair.create("Dialogs sample", DialogsActivity.class),
Pair.create("List sample", CarUiRecyclerViewActivity.class),
Pair.create("Grid sample", GridCarUiRecyclerViewActivity.class),
@@ -72,7 +73,8 @@
}
}
- private RecyclerView.Adapter<ViewHolder> mAdapter = new RecyclerView.Adapter<ViewHolder>() {
+ private final RecyclerView.Adapter<ViewHolder> mAdapter =
+ new RecyclerView.Adapter<ViewHolder>() {
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
diff --git a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/OverlayActivity.java b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/OverlayActivity.java
deleted file mode 100644
index 2b37cd9..0000000
--- a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/OverlayActivity.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2019 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.car.ui.paintbooth;
-
-import android.car.userlib.CarUserManagerHelper;
-import android.content.Context;
-import android.content.om.IOverlayManager;
-import android.content.om.OverlayInfo;
-import android.os.Bundle;
-import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.util.Log;
-import android.widget.Toast;
-
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.preference.SwitchPreference;
-
-import com.android.car.ui.preference.PreferenceFragment;
-
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-
-/**
- * Activity representing lists of RROs ppackage name as title and the corresponding target package
- * name as the summary with a toggle switch to enable/disable the overlays.
- */
-public class OverlayActivity extends AppCompatActivity {
-
- private static final String TAG = OverlayActivity.class.getSimpleName();
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
-
- // Display the fragment as the main content.
- if (savedInstanceState == null) {
- getSupportFragmentManager()
- .beginTransaction()
- .replace(android.R.id.content, new OverlayFragment())
- .commit();
- }
- }
-
- /** PreferenceFragmentCompat that sets the preference hierarchy from XML */
- public static class OverlayFragment extends PreferenceFragment {
-
- @Override
- public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
- // Load the preferences from an XML resource
- setPreferencesFromResource(R.xml.preference_overlays, rootKey);
-
- CarUserManagerHelper carUserManagerHelper = new CarUserManagerHelper(getContext());
-
- final IOverlayManager overlayManager = IOverlayManager.Stub.asInterface(
- ServiceManager.getService(Context.OVERLAY_SERVICE));
-
- Map<String, List<OverlayInfo>> overlays = Collections.emptyMap();
- try {
- overlays = overlayManager.getAllOverlays(
- carUserManagerHelper.getCurrentForegroundUserId());
- } catch (RemoteException e) {
- Toast.makeText(getContext(), "Something went wrong internally.",
- Toast.LENGTH_LONG).show();
- Log.e(TAG, "can't apply overlay: ", e);
- }
-
- for (String targetPackage : overlays.keySet()) {
-
- for (OverlayInfo overlayPackage : overlays.get(targetPackage)) {
- SwitchPreference switchPreference = new SwitchPreference(getContext());
- switchPreference.setKey(overlayPackage.packageName);
- switchPreference.setTitle(overlayPackage.packageName);
- switchPreference.setSummary(targetPackage);
- switchPreference.setChecked(overlayPackage.state == OverlayInfo.STATE_ENABLED);
-
- switchPreference.setOnPreferenceChangeListener((preference, newValue) -> {
- applyOverlay(overlayPackage.packageName, (boolean) newValue, overlayManager,
- carUserManagerHelper);
- return true;
- });
-
- getPreferenceScreen().addPreference(switchPreference);
- }
- }
- }
-
- private void applyOverlay(String overlayPackage, boolean enableOverlay,
- IOverlayManager overlayManager, CarUserManagerHelper carUserManagerHelper) {
- try {
- overlayManager.setEnabled(overlayPackage, enableOverlay,
- carUserManagerHelper.getCurrentForegroundUserId());
- } catch (RemoteException e) {
- Toast.makeText(getContext(), "Something went wrong internally.",
- Toast.LENGTH_LONG).show();
- Log.w(TAG, "Can't change theme", e);
- }
- }
- }
-}
diff --git a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayActivity.java b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayActivity.java
new file mode 100644
index 0000000..419f21e
--- /dev/null
+++ b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayActivity.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2019 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.car.ui.paintbooth.overlays;
+
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.util.Log;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.preference.SwitchPreference;
+
+import com.android.car.ui.paintbooth.R;
+import com.android.car.ui.preference.PreferenceFragment;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Activity representing lists of RROs ppackage name as title and the corresponding target package
+ * name as the summary with a toggle switch to enable/disable the overlays.
+ */
+public class OverlayActivity extends AppCompatActivity {
+ private static final String TAG = OverlayActivity.class.getSimpleName();
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ // Display the fragment as the main content.
+ if (savedInstanceState == null) {
+ getSupportFragmentManager()
+ .beginTransaction()
+ .replace(android.R.id.content, new OverlayFragment())
+ .commit();
+ }
+ }
+
+ /** PreferenceFragmentCompat that sets the preference hierarchy from XML */
+ public static class OverlayFragment extends PreferenceFragment {
+ private OverlayManager mOverlayManager;
+
+ @Override
+ public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+ try {
+ mOverlayManager = OverlayManager.getInstance(getContext());
+ setPreferencesFromResource(R.xml.preference_overlays, rootKey);
+
+ Map<String, List<OverlayManager.OverlayInfo>> overlays =
+ OverlayManager.getInstance(getContext()).getOverlays();
+
+ for (String targetPackage : overlays.keySet()) {
+ for (OverlayManager.OverlayInfo overlayPackage : overlays.get(targetPackage)) {
+ SwitchPreference switchPreference = new SwitchPreference(getContext());
+ switchPreference.setKey(overlayPackage.getPackageName());
+ switchPreference.setTitle(overlayPackage.getPackageName());
+ switchPreference.setSummary(targetPackage);
+ switchPreference.setChecked(overlayPackage.isEnabled());
+
+ switchPreference.setOnPreferenceChangeListener((preference, newValue) -> {
+ applyOverlay(overlayPackage.getPackageName(), (boolean) newValue);
+ return true;
+ });
+
+ getPreferenceScreen().addPreference(switchPreference);
+ }
+ }
+ } catch (RemoteException e) {
+ Toast.makeText(getContext(), "Something went wrong internally.",
+ Toast.LENGTH_LONG).show();
+ Log.e(TAG, "can't apply overlay: ", e);
+ }
+ }
+
+ private void applyOverlay(String overlayPackage, boolean enableOverlay) {
+ try {
+ mOverlayManager.applyOverlay(overlayPackage, enableOverlay);
+ } catch (RemoteException e) {
+ Toast.makeText(getContext(), "Something went wrong internally.",
+ Toast.LENGTH_LONG).show();
+ Log.w(TAG, "Can't change theme", e);
+ }
+ }
+ }
+}
diff --git a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayManager.java b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayManager.java
new file mode 100644
index 0000000..89a6c4f
--- /dev/null
+++ b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayManager.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2019 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.car.ui.paintbooth.overlays;
+
+import android.content.Context;
+import android.os.RemoteException;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Abstraction around {@link IOverlayManager}, used to deal with the fact that this is a hidden
+ * API. {@link OverlayManagerImpl} should be excluded when compiling Paintbooth outside of the
+ * system image.
+ */
+public interface OverlayManager {
+ String TAG = OverlayManager.class.getSimpleName();
+
+ /** Information about a single overlay affecting a target APK */
+ interface OverlayInfo {
+ /** Name of the overlay */
+ @NonNull
+ String getPackageName();
+ /** Whether this overlay is enabled or not */
+ boolean isEnabled();
+ }
+
+ /**
+ * Returns a map of available overlays, indexed by the package name each overlay applies to
+ */
+ @NonNull
+ Map<String, List<OverlayInfo>> getOverlays() throws RemoteException;
+
+ /**
+ * Enables/disables a given overlay
+ * @param packageName an overlay package name (obtained from
+ * {@link OverlayInfo#getPackageName()})
+ */
+ void applyOverlay(@NonNull String packageName, boolean enable) throws RemoteException;
+
+ /** A null {@link OverlayManager} */
+ final class OverlayManagerStub implements OverlayManager {
+ @Override
+ @NonNull
+ public Map<String, List<OverlayInfo>> getOverlays() throws RemoteException {
+ throw new RemoteException("Overlay manager is not available");
+ }
+
+ @Override
+ public void applyOverlay(@NonNull String packageName, boolean enable)
+ throws RemoteException {
+ throw new RemoteException("Overlay manager is not available");
+ }
+ }
+
+ /** Returns a valid {@link OverlayManager} for this environment */
+ @NonNull
+ static OverlayManager getInstance(Context context) {
+ try {
+ return (OverlayManager) Class
+ .forName("com.android.car.ui.paintbooth.overlays.OverlayManagerImpl")
+ .getConstructor(Context.class)
+ .newInstance(context);
+ } catch (ClassNotFoundException | IllegalAccessException | InstantiationException
+ | NoSuchMethodException | InvocationTargetException e) {
+ Log.i(TAG, "Overlay Manager is not available");
+ return new OverlayManagerStub();
+ }
+ }
+}
diff --git a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayManagerImpl.java b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayManagerImpl.java
new file mode 100644
index 0000000..32fcbc9
--- /dev/null
+++ b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/overlays/OverlayManagerImpl.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2019 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.car.ui.paintbooth.overlays;
+
+import android.car.userlib.CarUserManagerHelper;
+import android.content.Context;
+import android.content.om.IOverlayManager;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+
+import androidx.annotation.NonNull;
+
+import static java.util.stream.Collectors.toList;
+import static java.util.stream.Collectors.toMap;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * OverlayManager implementation. Exclude this file when building Paintbooth outside of the system
+ * image.
+ */
+public class OverlayManagerImpl implements OverlayManager {
+ private final CarUserManagerHelper mCarUserManagerHelper;
+ private final IOverlayManager mOverlayManager;
+
+ public OverlayManagerImpl(Context context) {
+ mCarUserManagerHelper = new CarUserManagerHelper(context);
+ mOverlayManager = IOverlayManager.Stub.asInterface(
+ ServiceManager.getService(Context.OVERLAY_SERVICE));
+ }
+
+ private OverlayInfo convertOverlayInfo(android.content.om.OverlayInfo info) {
+ return new OverlayInfo() {
+ @NonNull
+ @Override
+ public String getPackageName() {
+ return info.packageName;
+ }
+
+ @Override
+ public boolean isEnabled() {
+ return info.state == android.content.om.OverlayInfo.STATE_ENABLED;
+ }
+ };
+ }
+
+ @Override
+ @NonNull
+ public Map<String, List<OverlayManager.OverlayInfo>> getOverlays() throws RemoteException {
+ Map<String, List<android.content.om.OverlayInfo>> overlays = mOverlayManager
+ .getAllOverlays(mCarUserManagerHelper.getCurrentForegroundUserId());
+ return overlays.entrySet()
+ .stream()
+ .collect(toMap(Map.Entry::getKey, e -> e.getValue()
+ .stream()
+ .map(this::convertOverlayInfo)
+ .collect(toList())));
+ }
+
+ @Override
+ public void applyOverlay(@NonNull String packageName, boolean enable) throws RemoteException {
+ mOverlayManager.setEnabled(packageName, enable,
+ mCarUserManagerHelper.getCurrentForegroundUserId());
+ }
+}