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platform_packages_apps_Launcher3
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Code Issues Projects Releases Wiki Activity

Moving some utilities methods to separate class 

Change-Id: I5094b22ddc77c45590cea1a5f5dead0dc7580abf
This commit is contained in:
Sunny Goyal 2019-07-17 15:12:56 -07:00
parent 273c079761
commit 9dbb27c09c
17 changed files with 169 additions and 161 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
robolectric_tests/src/com/android/launcher3/util/IntArrayTest.java Normal file
View File

@ -0,0 +1,38 @@
/*
* 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.launcher3.util;
import static com.google.common.truth.Truth.assertThat;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
/**
* Robolectric unit tests for {@link IntArray}
*/
@RunWith(RobolectricTestRunner.class)
public class IntArrayTest {
@Test
public void concatAndParseString() {
int[] array = new int[] {0, 2, 3, 9};
String concat = IntArray.wrap(array).toConcatString();
int[] parsed = IntArray.fromConcatString(concat).toArray();
assertThat(array).isEqualTo(parsed);
}
}

1
robolectric_tests/src/com/android/launcher3/util/IntSetTest.java
View File

@ -21,7 +21,6 @@ import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;

3
src/com/android/launcher3/AutoInstallsLayout.java
View File

@ -43,6 +43,7 @@ import com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.icons.GraphicsUtils;
import com.android.launcher3.icons.LauncherIcons;
import com.android.launcher3.util.IntArray;
import com.android.launcher3.util.PackageManagerHelper;
import com.android.launcher3.util.Thunk;
import org.xmlpull.v1.XmlPullParser;
@ -72,7 +73,7 @@ public class AutoInstallsLayout {
static AutoInstallsLayout get(Context context, AppWidgetHost appWidgetHost,
LayoutParserCallback callback) {
Pair<String, Resources> customizationApkInfo = Utilities.findSystemApk(
Pair<String, Resources> customizationApkInfo = PackageManagerHelper.findSystemApk(
ACTION_LAUNCHER_CUSTOMIZATION, context.getPackageManager());
if (customizationApkInfo == null) {
return null;

4
src/com/android/launcher3/BaseDraggingActivity.java
View File

@ -34,9 +34,9 @@ import com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.compat.LauncherAppsCompat;
import com.android.launcher3.model.AppLaunchTracker;
import com.android.launcher3.shortcuts.DeepShortcutManager;
import com.android.launcher3.testing.TestProtocol;
import com.android.launcher3.uioverrides.DisplayRotationListener;
import com.android.launcher3.uioverrides.WallpaperColorInfo;
import com.android.launcher3.util.PackageManagerHelper;
import com.android.launcher3.util.Themes;
import androidx.annotation.Nullable;
@ -135,7 +135,7 @@ public abstract class BaseDraggingActivity extends BaseActivity
public boolean startActivitySafely(View v, Intent intent, @Nullable ItemInfo item,
@Nullable String sourceContainer) {
if (mIsSafeModeEnabled && !Utilities.isSystemApp(this, intent)) {
if (mIsSafeModeEnabled && !PackageManagerHelper.isSystemApp(this, intent)) {
Toast.makeText(this, R.string.safemode_shortcut_error, Toast.LENGTH_SHORT).show();
return false;
}

2
src/com/android/launcher3/InstallShortcutReceiver.java
View File

@ -612,7 +612,7 @@ public class InstallShortcutReceiver extends BroadcastReceiver {
// Already an activity target
return original;
}
if (!Utilities.isLauncherAppTarget(original.launchIntent)) {
if (!PackageManagerHelper.isLauncherAppTarget(original.launchIntent)) {
return original;
}

6
src/com/android/launcher3/LauncherProvider.java
View File

@ -33,7 +33,6 @@ import android.content.Context;
import android.content.Intent;
import android.content.OperationApplicationException;
import android.content.SharedPreferences;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ProviderInfo;
import android.content.res.Resources;
import android.database.Cursor;
@ -50,7 +49,6 @@ import android.os.Handler;
import android.os.Message;
import android.os.Process;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.BaseColumns;
import android.provider.Settings;
import android.text.TextUtils;
@ -70,6 +68,7 @@ import com.android.launcher3.util.IOUtils;
import com.android.launcher3.util.IntArray;
import com.android.launcher3.util.IntSet;
import com.android.launcher3.util.NoLocaleSQLiteHelper;
import com.android.launcher3.util.PackageManagerHelper;
import com.android.launcher3.util.Preconditions;
import com.android.launcher3.util.Thunk;
@ -77,7 +76,6 @@ import org.xmlpull.v1.XmlPullParser;
import java.io.File;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.StringReader;
@ -873,7 +871,7 @@ public class LauncherProvider extends ContentProvider {
continue;
}
if (!Utilities.isLauncherAppTarget(intent)) {
if (!PackageManagerHelper.isLauncherAppTarget(intent)) {
continue;
}

4
src/com/android/launcher3/Partner.java
View File

@ -16,6 +16,8 @@
package com.android.launcher3;
import static com.android.launcher3.util.PackageManagerHelper.findSystemApk;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.util.DisplayMetrics;
@ -59,7 +61,7 @@ public class Partner {
*/
public static synchronized Partner get(PackageManager pm) {
if (!sSearched) {
Pair<String, Resources> apkInfo = Utilities.findSystemApk(ACTION_PARTNER_CUSTOMIZATION, pm);
Pair<String, Resources> apkInfo = findSystemApk(ACTION_PARTNER_CUSTOMIZATION, pm);
if (apkInfo != null) {
sPartner = new Partner(apkInfo.first, apkInfo.second);
}

136
src/com/android/launcher3/Utilities.java
View File

@ -16,20 +16,16 @@
package com.android.launcher3;
import static com.android.launcher3.ItemInfoWithIcon.FLAG_ICON_BADGED;
import android.animation.ValueAnimator;
import android.annotation.TargetApi;
import android.app.ActivityManager;
import android.app.WallpaperManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.LauncherActivityInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.content.pm.ShortcutInfo;
import android.content.res.Resources;
@ -44,7 +40,6 @@ import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.InsetDrawable;
import android.os.Build;
import android.os.Bundle;
import android.os.DeadObjectException;
import android.os.Handler;
import android.os.Message;
@ -57,7 +52,6 @@ import android.text.TextUtils;
import android.text.style.TtsSpan;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.Pair;
import android.util.TypedValue;
import android.view.MotionEvent;
import android.view.View;
@ -66,7 +60,6 @@ import android.view.animation.Interpolator;
import com.android.launcher3.compat.LauncherAppsCompat;
import com.android.launcher3.compat.ShortcutConfigActivityInfo;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
import com.android.launcher3.graphics.RotationMode;
import com.android.launcher3.graphics.TintedDrawableSpan;
@ -78,13 +71,10 @@ import com.android.launcher3.util.PackageManagerHelper;
import com.android.launcher3.views.Transposable;
import com.android.launcher3.widget.PendingAddShortcutInfo;
import java.io.Closeable;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import java.util.StringTokenizer;
import java.util.concurrent.Executor;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
@ -92,8 +82,6 @@ import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static com.android.launcher3.ItemInfoWithIcon.FLAG_ICON_BADGED;
/**
* Various utilities shared amongst the Launcher's classes.
*/
@ -253,7 +241,6 @@ public final class Utilities {
return scale;
}
/**
* Inverse of {@link #getDescendantCoordRelativeToAncestor(View, View, float[], boolean)}.
*/
@ -389,53 +376,6 @@ public final class Utilities {
return min + (value * (max - min));
}
public static boolean isSystemApp(Context context, Intent intent) {
PackageManager pm = context.getPackageManager();
ComponentName cn = intent.getComponent();
String packageName = null;
if (cn == null) {
ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
if ((info != null) && (info.activityInfo != null)) {
packageName = info.activityInfo.packageName;
}
} else {
packageName = cn.getPackageName();
}
if (packageName != null) {
try {
PackageInfo info = pm.getPackageInfo(packageName, 0);
return (info != null) && (info.applicationInfo != null) &&
((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);
} catch (NameNotFoundException e) {
return false;
}
} else {
return false;
}
}
/*
* Finds a system apk which had a broadcast receiver listening to a particular action.
* @param action intent action used to find the apk
* @return a pair of apk package name and the resources.
*/
static Pair<String, Resources> findSystemApk(String action, PackageManager pm) {
final Intent intent = new Intent(action);
for (ResolveInfo info : pm.queryBroadcastReceivers(intent, 0)) {
if (info.activityInfo != null &&
(info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
final String packageName = info.activityInfo.packageName;
try {
final Resources res = pm.getResourcesForApplication(packageName);
return Pair.create(packageName, res);
} catch (NameNotFoundException e) {
Log.w(TAG, "Failed to find resources for " + packageName);
}
}
}
return null;
}
/**
* Trims the string, removing all whitespace at the beginning and end of the string.
* Non-breaking whitespaces are also removed.
@ -460,51 +400,10 @@ public final class Utilities {
return (int) Math.ceil(fm.bottom - fm.top);
}
/**
* Convenience println with multiple args.
*/
public static void println(String key, Object... args) {
StringBuilder b = new StringBuilder();
b.append(key);
b.append(": ");
boolean isFirstArgument = true;
for (Object arg : args) {
if (isFirstArgument) {
isFirstArgument = false;
} else {
b.append(", ");
}
b.append(arg);
}
System.out.println(b.toString());
}
public static boolean isRtl(Resources res) {
return res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
}
/**
* Returns true if the intent is a valid launch intent for a launcher activity of an app.
* This is used to identify shortcuts which are different from the ones exposed by the
* applications' manifest file.
*
* @param launchIntent The intent that will be launched when the shortcut is clicked.
*/
public static boolean isLauncherAppTarget(Intent launchIntent) {
if (launchIntent != null
&& Intent.ACTION_MAIN.equals(launchIntent.getAction())
&& launchIntent.getComponent() != null
&& launchIntent.getCategories() != null
&& launchIntent.getCategories().size() == 1
&& launchIntent.hasCategory(Intent.CATEGORY_LAUNCHER)
&& TextUtils.isEmpty(launchIntent.getDataString())) {
// An app target can either have no extra or have ItemInfo.EXTRA_PROFILE.
Bundle extras = launchIntent.getExtras();
return extras == null || extras.keySet().isEmpty();
}
return false;
}
public static float dpiFromPx(int size, DisplayMetrics metrics){
float densityRatio = (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT;
return (size / densityRatio);
@ -607,18 +506,6 @@ public final class Utilities {
return context.getSystemService(WallpaperManager.class).isSetWallpaperAllowed();
}
public static void closeSilently(Closeable c) {
if (c != null) {
try {
c.close();
} catch (IOException e) {
if (FeatureFlags.IS_DOGFOOD_BUILD) {
Log.d(TAG, "Error closing", e);
}
}
}
}
public static boolean isBinderSizeError(Exception e) {
return e.getCause() instanceof TransactionTooLargeException
|| e.getCause() instanceof DeadObjectException;
@ -733,25 +620,6 @@ public final class Utilities {
}
}
public static int[] getIntArrayFromString(String tokenized) {
StringTokenizer tokenizer = new StringTokenizer(tokenized, ",");
int[] array = new int[tokenizer.countTokens()];
int count = 0;
while (tokenizer.hasMoreTokens()) {
array[count] = Integer.parseInt(tokenizer.nextToken());
count++;
}
return array;
}
public static String getStringFromIntArray(int[] array) {
StringBuilder str = new StringBuilder();
for (int value : array) {
str.append(value).append(",");
}
return str.toString();
}
public static float squaredHypot(float x, float y) {
return x * x + y * y;
}

5
src/com/android/launcher3/logging/FileLog.java
View File

@ -8,6 +8,7 @@ import android.util.Pair;
import com.android.launcher3.Utilities;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.util.IOUtils;
import java.io.BufferedReader;
import java.io.File;
@ -131,7 +132,7 @@ public final class FileLog {
private PrintWriter mCurrentWriter = null;
private void closeWriter() {
Utilities.closeSilently(mCurrentWriter);
IOUtils.closeSilently(mCurrentWriter);
mCurrentWriter = null;
}
@ -219,7 +220,7 @@ public final class FileLog {
} catch (Exception e) {
// ignore
} finally {
Utilities.closeSilently(in);
IOUtils.closeSilently(in);
}
}
}

4
src/com/android/launcher3/model/AddWorkspaceItemsTask.java
View File

@ -31,9 +31,9 @@ import com.android.launcher3.LauncherModel.CallbackTask;
import com.android.launcher3.LauncherModel.Callbacks;
import com.android.launcher3.LauncherSettings;
import com.android.launcher3.WorkspaceItemInfo;
import com.android.launcher3.Utilities;
import com.android.launcher3.util.GridOccupancy;
import com.android.launcher3.util.IntArray;
import com.android.launcher3.util.PackageManagerHelper;
import java.util.ArrayList;
import java.util.List;
@ -162,7 +162,7 @@ public class AddWorkspaceItemsTask extends BaseModelUpdateTask {
intentWithoutPkg = intent.toUri(0);
}
boolean isLauncherAppTarget = Utilities.isLauncherAppTarget(intent);
boolean isLauncherAppTarget = PackageManagerHelper.isLauncherAppTarget(intent);
synchronized (dataModel) {
for (ItemInfo item : dataModel.itemsIdMap) {
if (item instanceof WorkspaceItemInfo) {

6
src/com/android/launcher3/model/LoaderTask.java
View File

@ -20,6 +20,7 @@ import static com.android.launcher3.ItemInfoWithIcon.FLAG_DISABLED_LOCKED_USER;
import static com.android.launcher3.ItemInfoWithIcon.FLAG_DISABLED_SAFEMODE;
import static com.android.launcher3.ItemInfoWithIcon.FLAG_DISABLED_SUSPENDED;
import static com.android.launcher3.model.LoaderResults.filterCurrentWorkspaceItems;
import static com.android.launcher3.util.PackageManagerHelper.isSystemApp;
import android.appwidget.AppWidgetProviderInfo;
import android.content.ComponentName;
@ -69,6 +70,7 @@ import com.android.launcher3.provider.ImportDataTask;
import com.android.launcher3.shortcuts.DeepShortcutManager;
import com.android.launcher3.shortcuts.ShortcutKey;
import com.android.launcher3.util.ComponentKey;
import com.android.launcher3.util.IOUtils;
import com.android.launcher3.util.LooperIdleLock;
import com.android.launcher3.util.MultiHashMap;
import com.android.launcher3.util.PackageManagerHelper;
@ -531,7 +533,7 @@ public class LoaderTask implements Runnable {
info.spanX = 1;
info.spanY = 1;
info.runtimeStatusFlags |= disabledState;
if (isSafeMode && !Utilities.isSystemApp(context, intent)) {
if (isSafeMode && !isSystemApp(context, intent)) {
info.runtimeStatusFlags |= FLAG_DISABLED_SAFEMODE;
}
@ -703,7 +705,7 @@ public class LoaderTask implements Runnable {
}
}
} finally {
Utilities.closeSilently(c);
IOUtils.closeSilently(c);
}
// Break early if we've stopped loading

4
src/com/android/launcher3/provider/ImportDataTask.java
View File

@ -42,7 +42,6 @@ import com.android.launcher3.LauncherProvider;
import com.android.launcher3.LauncherSettings;
import com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.LauncherSettings.Settings;
import com.android.launcher3.Utilities;
import com.android.launcher3.Workspace;
import com.android.launcher3.compat.UserManagerCompat;
import com.android.launcher3.config.FeatureFlags;
@ -50,6 +49,7 @@ import com.android.launcher3.logging.FileLog;
import com.android.launcher3.model.GridSizeMigrationTask;
import com.android.launcher3.util.IntArray;
import com.android.launcher3.util.IntSparseArrayMap;
import com.android.launcher3.util.PackageManagerHelper;
import java.net.URISyntaxException;
import java.util.ArrayList;
@ -223,7 +223,7 @@ public class ImportDataTask {
case Favorites.ITEM_TYPE_SHORTCUT:
case Favorites.ITEM_TYPE_APPLICATION: {
intent = Intent.parseUri(c.getString(intentIndex), 0);
if (Utilities.isLauncherAppTarget(intent)) {
if (PackageManagerHelper.isLauncherAppTarget(intent)) {
type = Favorites.ITEM_TYPE_APPLICATION;
} else {
values.put(Favorites.ICON_PACKAGE, c.getString(iconPackageIndex));

11
src/com/android/launcher3/provider/RestoreDbTask.java
View File

@ -16,8 +16,6 @@
package com.android.launcher3.provider;
import static com.android.launcher3.Utilities.getIntArrayFromString;
import static com.android.launcher3.Utilities.getStringFromIntArray;
import static com.android.launcher3.provider.LauncherDbUtils.dropTable;
import android.app.backup.BackupManager;
@ -40,6 +38,7 @@ import com.android.launcher3.WorkspaceItemInfo;
import com.android.launcher3.Utilities;
import com.android.launcher3.logging.FileLog;
import com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction;
import com.android.launcher3.util.IntArray;
import com.android.launcher3.util.LogConfig;
import java.io.InvalidObjectException;
@ -246,8 +245,8 @@ public class RestoreDbTask {
SharedPreferences prefs = Utilities.getPrefs(context);
if (prefs.contains(APPWIDGET_OLD_IDS) && prefs.contains(APPWIDGET_IDS)) {
AppWidgetsRestoredReceiver.restoreAppWidgetIds(context,
getIntArrayFromString(prefs.getString(APPWIDGET_OLD_IDS, "")),
getIntArrayFromString(prefs.getString(APPWIDGET_IDS, "")));
IntArray.fromConcatString(prefs.getString(APPWIDGET_OLD_IDS, "")).toArray(),
IntArray.fromConcatString(prefs.getString(APPWIDGET_IDS, "")).toArray());
} else {
FileLog.d(TAG, "No app widget ids to restore.");
}
@ -259,8 +258,8 @@ public class RestoreDbTask {
public static void setRestoredAppWidgetIds(Context context, @NonNull int[] oldIds,
@NonNull int[] newIds) {
Utilities.getPrefs(context).edit()
.putString(APPWIDGET_OLD_IDS, getStringFromIntArray(oldIds))
.putString(APPWIDGET_IDS, getStringFromIntArray(newIds))
.putString(APPWIDGET_OLD_IDS, IntArray.wrap(oldIds).toConcatString())
.putString(APPWIDGET_IDS, IntArray.wrap(newIds).toConcatString())
.commit();
}

16
src/com/android/launcher3/util/IOUtils.java
View File

@ -17,10 +17,13 @@
package com.android.launcher3.util;
import android.content.Context;
import android.util.Log;
import com.android.launcher3.Utilities;
import com.android.launcher3.config.FeatureFlags;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
@ -35,6 +38,7 @@ import java.util.UUID;
public class IOUtils {
private static final int BUF_SIZE = 0x1000; // 4K
private static final String TAG = "IOUtils";
public static byte[] toByteArray(File file) throws IOException {
try (InputStream in = new FileInputStream(file)) {
@ -77,4 +81,16 @@ public class IOUtils {
}
return file.getAbsolutePath();
}
public static void closeSilently(Closeable c) {
if (c != null) {
try {
c.close();
} catch (IOException e) {
if (FeatureFlags.IS_DOGFOOD_BUILD) {
Log.d(TAG, "Error closing", e);
}
}
}
}
}

12
src/com/android/launcher3/util/IntArray.java
View File

@ -17,6 +17,7 @@
package com.android.launcher3.util;
import java.util.Arrays;
import java.util.StringTokenizer;
/**
* Copy of the platform hidden implementation of android.util.IntArray.
@ -248,6 +249,17 @@ public class IntArray implements Cloneable {
return b.toString();
}
public static IntArray fromConcatString(String concatString) {
StringTokenizer tokenizer = new StringTokenizer(concatString, ",");
int[] array = new int[tokenizer.countTokens()];
int count = 0;
while (tokenizer.hasMoreTokens()) {
array[count] = Integer.parseInt(tokenizer.nextToken().trim());
count++;
}
return new IntArray(array, array.length);
}
/**
* Throws {@link ArrayIndexOutOfBoundsException} if the index is out of bounds.
*

72
src/com/android/launcher3/util/PackageManagerHelper.java
View File

@ -24,9 +24,11 @@ import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.LauncherActivityInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Build;
@ -35,6 +37,7 @@ import android.os.PatternMatcher;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import android.util.Pair;
import android.widget.Toast;
import com.android.launcher3.AppInfo;
@ -220,4 +223,73 @@ public class PackageManagerHelper {
packageFilter.addDataSchemeSpecificPart(pkg, PatternMatcher.PATTERN_LITERAL);
return packageFilter;
}
public static boolean isSystemApp(Context context, Intent intent) {
PackageManager pm = context.getPackageManager();
ComponentName cn = intent.getComponent();
String packageName = null;
if (cn == null) {
ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
if ((info != null) && (info.activityInfo != null)) {
packageName = info.activityInfo.packageName;
}
} else {
packageName = cn.getPackageName();
}
if (packageName != null) {
try {
PackageInfo info = pm.getPackageInfo(packageName, 0);
return (info != null) && (info.applicationInfo != null) &&
((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);
} catch (NameNotFoundException e) {
return false;
}
} else {
return false;
}
}
/**
* Finds a system apk which had a broadcast receiver listening to a particular action.
* @param action intent action used to find the apk
* @return a pair of apk package name and the resources.
*/
public static Pair<String, Resources> findSystemApk(String action, PackageManager pm) {
final Intent intent = new Intent(action);
for (ResolveInfo info : pm.queryBroadcastReceivers(intent, 0)) {
if (info.activityInfo != null &&
(info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
final String packageName = info.activityInfo.packageName;
try {
final Resources res = pm.getResourcesForApplication(packageName);
return Pair.create(packageName, res);
} catch (NameNotFoundException e) {
Log.w(TAG, "Failed to find resources for " + packageName);
}
}
}
return null;
}
/**
* Returns true if the intent is a valid launch intent for a launcher activity of an app.
* This is used to identify shortcuts which are different from the ones exposed by the
* applications' manifest file.
*
* @param launchIntent The intent that will be launched when the shortcut is clicked.
*/
public static boolean isLauncherAppTarget(Intent launchIntent) {
if (launchIntent != null
&& Intent.ACTION_MAIN.equals(launchIntent.getAction())
&& launchIntent.getComponent() != null
&& launchIntent.getCategories() != null
&& launchIntent.getCategories().size() == 1
&& launchIntent.hasCategory(Intent.CATEGORY_LAUNCHER)
&& TextUtils.isEmpty(launchIntent.getDataString())) {
// An app target can either have no extra or have ItemInfo.EXTRA_PROFILE.
Bundle extras = launchIntent.getExtras();
return extras == null || extras.keySet().isEmpty();
}
return false;
}
}

6
tests/src/com/android/launcher3/model/LoaderCursorTest.java
View File

@ -15,9 +15,9 @@ import com.android.launcher3.icons.IconCache;
import com.android.launcher3.InvariantDeviceProfile;
import com.android.launcher3.ItemInfo;
import com.android.launcher3.LauncherAppState;
import com.android.launcher3.Utilities;
import com.android.launcher3.compat.LauncherAppsCompat;
import com.android.launcher3.icons.BitmapInfo;
import com.android.launcher3.util.PackageManagerHelper;
import org.junit.Before;
import org.junit.Test;
@ -115,7 +115,7 @@ public class LoaderCursorTest {
WorkspaceItemInfo info = mLoaderCursor.getAppShortcutInfo(
new Intent().setComponent(cn), false /* allowMissingTarget */, true);
assertNotNull(info);
assertTrue(Utilities.isLauncherAppTarget(info.intent));
assertTrue(PackageManagerHelper.isLauncherAppTarget(info.intent));
}
@Test
@ -127,7 +127,7 @@ public class LoaderCursorTest {
WorkspaceItemInfo info = mLoaderCursor.getAppShortcutInfo(
new Intent().setComponent(cn), true /* allowMissingTarget */, true);
assertNotNull(info);
assertTrue(Utilities.isLauncherAppTarget(info.intent));
assertTrue(PackageManagerHelper.isLauncherAppTarget(info.intent));
}
@Test