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The Android Open Source Project31dd5032009-03-03 19:32:27 -08001/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Daniel Sandler325dc232013-06-05 22:57:57 -040017package com.android.launcher3;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080018
Sunny Goyal1ed6c4a2016-04-21 15:16:11 -070019import android.app.WallpaperManager;
Sunny Goyalc5c60ad2014-07-14 12:02:01 -070020import android.content.ComponentName;
Winson Chungaafa03c2010-06-11 17:34:16 -070021import android.content.Context;
Michael Jurkaa805e1a2013-08-22 15:00:33 +020022import android.content.Intent;
Rahul Chaturvedi7fc77ca2015-05-19 18:02:16 -070023import android.content.SharedPreferences;
Sunny Goyalc5c60ad2014-07-14 12:02:01 -070024import android.content.pm.ApplicationInfo;
25import android.content.pm.PackageInfo;
26import android.content.pm.PackageManager;
27import android.content.pm.PackageManager.NameNotFoundException;
28import android.content.pm.ResolveInfo;
Winson Chungaafa03c2010-06-11 17:34:16 -070029import android.content.res.Resources;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080030import android.graphics.Bitmap;
Winson Chungc763c4e2013-07-19 13:49:06 -070031import android.graphics.Matrix;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080032import android.graphics.Paint;
33import android.graphics.Rect;
Sunny Goyalb1e2e292018-02-21 10:14:30 -080034import android.graphics.RectF;
Sandeep Siddhartha2efc7d92014-05-16 17:21:15 -070035import android.os.Build;
Sunny Goyal4e5cc642015-06-25 16:37:44 -070036import android.os.Bundle;
Sunny Goyal712ee532016-11-04 10:19:58 -070037import android.os.DeadObjectException;
Tony Wickham112ac952015-11-12 12:31:50 -080038import android.os.PowerManager;
Sunny Goyal712ee532016-11-04 10:19:58 -070039import android.os.TransactionTooLargeException;
Tony Mak6eeb0402018-01-03 14:41:31 +000040import android.support.v4.os.BuildCompat;
Sunny Goyale78e3d72015-09-24 11:23:31 -070041import android.text.Spannable;
42import android.text.SpannableString;
Sunny Goyal5c97f512015-05-19 16:03:28 -070043import android.text.TextUtils;
Sunny Goyale78e3d72015-09-24 11:23:31 -070044import android.text.style.TtsSpan;
Adam Cohen2e6da152015-05-06 11:42:25 -070045import android.util.DisplayMetrics;
Michael Jurkaa805e1a2013-08-22 15:00:33 +020046import android.util.Log;
Sunny Goyal0fe505b2014-08-06 09:55:36 -070047import android.util.Pair;
Adam Cohen2e6da152015-05-06 11:42:25 -070048import android.util.TypedValue;
Winson Chungc763c4e2013-07-19 13:49:06 -070049import android.view.View;
Sunny Goyalb1622cc2015-06-10 16:00:42 -070050
Sunny Goyal3d706ad2017-03-06 16:56:39 -080051import com.android.launcher3.config.FeatureFlags;
Sunny Goyal6c56c682015-07-16 14:09:05 -070052
Sunny Goyal5b0e6692015-03-19 14:31:19 -070053import java.io.ByteArrayOutputStream;
Sunny Goyal713edfc2016-05-06 09:58:34 -070054import java.io.Closeable;
Sunny Goyal5b0e6692015-03-19 14:31:19 -070055import java.io.IOException;
Sunny Goyalab121c12016-12-02 19:29:43 +053056import java.lang.reflect.InvocationTargetException;
Sunny Goyal25aba0a2015-07-16 15:07:47 -070057import java.lang.reflect.Method;
Tony Wickham1bce7fd2016-04-28 17:39:03 -070058import java.util.Collection;
Tony Wickham580edcf2017-02-09 08:28:52 -080059import java.util.HashSet;
Sunny Goyalb1622cc2015-06-10 16:00:42 -070060import java.util.Locale;
Sunny Goyal8ac727b2015-09-23 15:38:09 -070061import java.util.concurrent.Executor;
62import java.util.concurrent.LinkedBlockingQueue;
63import java.util.concurrent.ThreadPoolExecutor;
64import java.util.concurrent.TimeUnit;
Winson Chung82b016c2015-05-08 17:00:10 -070065import java.util.regex.Matcher;
66import java.util.regex.Pattern;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080067
68/**
69 * Various utilities shared amongst the Launcher's classes.
70 */
Mathew Inwood72fbec12013-11-19 15:45:07 +000071public final class Utilities {
Rahul Chaturvedi7fc77ca2015-05-19 18:02:16 -070072
Joe Onorato1291a8c2009-09-15 15:07:25 -040073 private static final String TAG = "Launcher.Utilities";
74
Winson Chung82b016c2015-05-08 17:00:10 -070075 private static final Pattern sTrimPattern =
76 Pattern.compile("^[\\s|\\p{javaSpaceChar}]*(.*)[\\s|\\p{javaSpaceChar}]*$");
77
Sunny Goyal53d7ee42015-05-22 12:25:45 -070078 private static final int[] sLoc0 = new int[2];
79 private static final int[] sLoc1 = new int[2];
Sunny Goyal5e0e94f2016-10-28 10:01:00 -070080 private static final float[] sPoint = new float[2];
81 private static final Matrix sMatrix = new Matrix();
82 private static final Matrix sInverseMatrix = new Matrix();
Michael Jurka7ad868b2013-12-12 15:04:25 +010083
Tony Mak6eeb0402018-01-03 14:41:31 +000084 public static final boolean ATLEAST_P = BuildCompat.isAtLeastP();
85
Hyunyoung Songe24cb632017-09-11 11:18:03 -070086 public static final boolean ATLEAST_OREO_MR1 =
87 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1;
88
89 public static final boolean ATLEAST_OREO =
90 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
Sunny Goyaldcc0ba22016-11-02 11:22:39 -070091
Sunny Goyalf5e37442016-11-02 10:31:24 -070092 public static final boolean ATLEAST_NOUGAT_MR1 =
Hyunyoung Songe24cb632017-09-11 11:18:03 -070093 Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1;
Sunny Goyal9994b2b2016-06-23 14:17:24 -070094
Sunny Goyalf5e37442016-11-02 10:31:24 -070095 public static final boolean ATLEAST_NOUGAT =
Hyunyoung Songe24cb632017-09-11 11:18:03 -070096 Build.VERSION.SDK_INT >= Build.VERSION_CODES.N;
Sunny Goyale2ec8a32016-09-01 11:00:49 -070097
Winsonbe9798b2016-07-20 12:55:49 -070098 public static final boolean ATLEAST_MARSHMALLOW =
99 Build.VERSION.SDK_INT >= Build.VERSION_CODES.M;
Sunny Goyal9fc953b2015-08-17 12:24:25 -0700100
101 public static final boolean ATLEAST_LOLLIPOP_MR1 =
102 Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1;
103
Sunny Goyal49f19f02017-01-05 14:36:02 -0800104 /**
105 * Indicates if the device has a debug build. Should only be used to store additional info or
106 * add extra logging and not for changing the app behavior.
107 */
108 public static final boolean IS_DEBUG_DEVICE = Build.TYPE.toLowerCase().contains("debug");
109
Sunny Goyal6f866092016-03-17 17:04:15 -0700110 // An intent extra to indicate the horizontal scroll of the wallpaper.
111 public static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET";
112
Tony629a67c2017-06-02 15:43:26 -0700113 public static final int COLOR_EXTRACTION_JOB_ID = 1;
Sunny Goyal82315962017-06-08 14:27:49 -0700114 public static final int WALLPAPER_COMPAT_JOB_ID = 2;
Tony629a67c2017-06-02 15:43:26 -0700115
Sunny Goyal8ac727b2015-09-23 15:38:09 -0700116 // These values are same as that in {@link AsyncTask}.
117 private static final int CPU_COUNT = Runtime.getRuntime().availableProcessors();
118 private static final int CORE_POOL_SIZE = CPU_COUNT + 1;
119 private static final int MAXIMUM_POOL_SIZE = CPU_COUNT * 2 + 1;
120 private static final int KEEP_ALIVE = 1;
121 /**
122 * An {@link Executor} to be used with async task with no limit on the queue size.
123 */
124 public static final Executor THREAD_POOL_EXECUTOR = new ThreadPoolExecutor(
125 CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE,
126 TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>());
127
Sunny Goyal4bbf4192014-11-11 12:23:59 -0800128 public static boolean isPropertyEnabled(String propertyName) {
Michael Jurka7ad868b2013-12-12 15:04:25 +0100129 return Log.isLoggable(propertyName, Log.VERBOSE);
130 }
131
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800132 /**
Winson Chungc763c4e2013-07-19 13:49:06 -0700133 * Given a coordinate relative to the descendant, find the coordinate in a parent view's
134 * coordinates.
135 *
136 * @param descendant The descendant to which the passed coordinate is relative.
Sunny Goyale8b5d202016-06-13 16:36:59 -0700137 * @param ancestor The root view to make the coordinates relative to.
Winson Chungc763c4e2013-07-19 13:49:06 -0700138 * @param coord The coordinate that we want mapped.
139 * @param includeRootScroll Whether or not to account for the scroll of the descendant:
140 * sometimes this is relevant as in a child's coordinates within the descendant.
141 * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
142 * this scale factor is assumed to be equal in X and Y, and so if at any point this
143 * assumption fails, we will need to return a pair of scale factors.
144 */
Sunny Goyale8b5d202016-06-13 16:36:59 -0700145 public static float getDescendantCoordRelativeToAncestor(
146 View descendant, View ancestor, int[] coord, boolean includeRootScroll) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700147 sPoint[0] = coord[0];
148 sPoint[1] = coord[1];
149
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700150 float scale = 1.0f;
Winson Chungc763c4e2013-07-19 13:49:06 -0700151 View v = descendant;
Sunny Goyale8b5d202016-06-13 16:36:59 -0700152 while(v != ancestor && v != null) {
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700153 // For TextViews, scroll has a meaning which relates to the text position
154 // which is very strange... ignore the scroll.
155 if (v != descendant || includeRootScroll) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700156 sPoint[0] -= v.getScrollX();
157 sPoint[1] -= v.getScrollY();
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700158 }
159
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700160 v.getMatrix().mapPoints(sPoint);
161 sPoint[0] += v.getLeft();
162 sPoint[1] += v.getTop();
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700163 scale *= v.getScaleX();
164
Winson Chungc763c4e2013-07-19 13:49:06 -0700165 v = (View) v.getParent();
166 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700167
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700168 coord[0] = Math.round(sPoint[0]);
169 coord[1] = Math.round(sPoint[1]);
Winson Chungc763c4e2013-07-19 13:49:06 -0700170 return scale;
171 }
172
173 /**
Sunny Goyale8b5d202016-06-13 16:36:59 -0700174 * Inverse of {@link #getDescendantCoordRelativeToAncestor(View, View, int[], boolean)}.
Winson Chungc763c4e2013-07-19 13:49:06 -0700175 */
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700176 public static void mapCoordInSelfToDescendant(View descendant, View root, int[] coord) {
177 sMatrix.reset();
Winson Chungc763c4e2013-07-19 13:49:06 -0700178 View v = descendant;
179 while(v != root) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700180 sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY());
181 sMatrix.postConcat(v.getMatrix());
182 sMatrix.postTranslate(v.getLeft(), v.getTop());
Winson Chungc763c4e2013-07-19 13:49:06 -0700183 v = (View) v.getParent();
184 }
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700185 sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY());
186 sMatrix.invert(sInverseMatrix);
Winson Chungc763c4e2013-07-19 13:49:06 -0700187
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700188 sPoint[0] = coord[0];
189 sPoint[1] = coord[1];
190 sInverseMatrix.mapPoints(sPoint);
191 coord[0] = Math.round(sPoint[0]);
192 coord[1] = Math.round(sPoint[1]);
Winson Chungc763c4e2013-07-19 13:49:06 -0700193 }
194
Jason Monk02dd7ae2014-04-15 15:23:31 -0400195 /**
196 * Utility method to determine whether the given point, in local coordinates,
197 * is inside the view, where the area of the view is expanded by the slop factor.
198 * This method is called while processing touch-move events to determine if the event
199 * is still within the view.
200 */
201 public static boolean pointInView(View v, float localX, float localY, float slop) {
202 return localX >= -slop && localY >= -slop && localX < (v.getWidth() + slop) &&
203 localY < (v.getHeight() + slop);
204 }
205
Sunny Goyala52ecb02016-12-16 15:04:51 -0800206 public static int[] getCenterDeltaInScreenSpace(View v0, View v1) {
Adam Cohen63f1ec02014-08-12 09:23:13 -0700207 v0.getLocationInWindow(sLoc0);
208 v1.getLocationInWindow(sLoc1);
209
210 sLoc0[0] += (v0.getMeasuredWidth() * v0.getScaleX()) / 2;
211 sLoc0[1] += (v0.getMeasuredHeight() * v0.getScaleY()) / 2;
212 sLoc1[0] += (v1.getMeasuredWidth() * v1.getScaleX()) / 2;
213 sLoc1[1] += (v1.getMeasuredHeight() * v1.getScaleY()) / 2;
Sunny Goyala52ecb02016-12-16 15:04:51 -0800214 return new int[] {sLoc1[0] - sLoc0[0], sLoc1[1] - sLoc0[1]};
Adam Cohen63f1ec02014-08-12 09:23:13 -0700215 }
216
Sunny Goyalb1e2e292018-02-21 10:14:30 -0800217 public static void scaleRectFAboutCenter(RectF r, float scale) {
218 if (scale != 1.0f) {
219 float cx = r.centerX();
220 float cy = r.centerY();
221 r.offset(-cx, -cy);
222 r.left = r.left * scale;
223 r.top = r.top * scale ;
224 r.right = r.right * scale;
225 r.bottom = r.bottom * scale;
226 r.offset(cx, cy);
227 }
228 }
229
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800230 public static void scaleRectAboutCenter(Rect r, float scale) {
231 if (scale != 1.0f) {
232 int cx = r.centerX();
233 int cy = r.centerY();
234 r.offset(-cx, -cy);
Winson Chung3e803c72018-01-29 11:16:32 -0800235 scaleRect(r, scale);
236 r.offset(cx, cy);
237 }
238 }
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800239
Winson Chung3e803c72018-01-29 11:16:32 -0800240 public static void scaleRect(Rect r, float scale) {
241 if (scale != 1.0f) {
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800242 r.left = (int) (r.left * scale + 0.5f);
243 r.top = (int) (r.top * scale + 0.5f);
244 r.right = (int) (r.right * scale + 0.5f);
245 r.bottom = (int) (r.bottom * scale + 0.5f);
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800246 }
247 }
248
Winson Chung3e803c72018-01-29 11:16:32 -0800249 public static void insetRect(Rect r, Rect insets) {
250 r.left = Math.min(r.right, r.left + insets.left);
251 r.top = Math.min(r.bottom, r.top + insets.top);
252 r.right = Math.max(r.left, r.right - insets.right);
253 r.bottom = Math.max(r.top, r.bottom - insets.bottom);
254 }
255
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800256 public static float shrinkRect(Rect r, float scaleX, float scaleY) {
Jon Mirandae96798e2016-12-07 12:10:44 -0800257 float scale = Math.min(Math.min(scaleX, scaleY), 1.0f);
258 if (scale < 1.0f) {
259 int deltaX = (int) (r.width() * (scaleX - scale) * 0.5f);
260 r.left += deltaX;
261 r.right -= deltaX;
Sunny Goyal106bf642015-07-16 12:18:06 -0700262
Jon Mirandae96798e2016-12-07 12:10:44 -0800263 int deltaY = (int) (r.height() * (scaleY - scale) * 0.5f);
264 r.top += deltaY;
265 r.bottom -= deltaY;
Sunny Goyal106bf642015-07-16 12:18:06 -0700266 }
Jon Mirandae96798e2016-12-07 12:10:44 -0800267 return scale;
Winson Chung3a6e7f32013-10-09 15:50:52 -0700268 }
269
Winson Chung3e803c72018-01-29 11:16:32 -0800270 public static float mapRange(float value, float min, float max) {
271 return min + (value * (max - min));
272 }
273
Sunny Goyal0e947fb2017-05-19 12:21:50 -0700274 public static boolean isSystemApp(Context context, Intent intent) {
Sunny Goyalc5c60ad2014-07-14 12:02:01 -0700275 PackageManager pm = context.getPackageManager();
276 ComponentName cn = intent.getComponent();
277 String packageName = null;
278 if (cn == null) {
279 ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
280 if ((info != null) && (info.activityInfo != null)) {
281 packageName = info.activityInfo.packageName;
282 }
283 } else {
284 packageName = cn.getPackageName();
285 }
286 if (packageName != null) {
287 try {
288 PackageInfo info = pm.getPackageInfo(packageName, 0);
289 return (info != null) && (info.applicationInfo != null) &&
290 ((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);
291 } catch (NameNotFoundException e) {
292 return false;
293 }
294 } else {
295 return false;
296 }
297 }
Sunny Goyal95abbb32014-08-04 10:53:22 -0700298
Sunny Goyal0fe505b2014-08-06 09:55:36 -0700299 /*
300 * Finds a system apk which had a broadcast receiver listening to a particular action.
301 * @param action intent action used to find the apk
302 * @return a pair of apk package name and the resources.
303 */
304 static Pair<String, Resources> findSystemApk(String action, PackageManager pm) {
305 final Intent intent = new Intent(action);
306 for (ResolveInfo info : pm.queryBroadcastReceivers(intent, 0)) {
307 if (info.activityInfo != null &&
308 (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
309 final String packageName = info.activityInfo.packageName;
310 try {
311 final Resources res = pm.getResourcesForApplication(packageName);
312 return Pair.create(packageName, res);
313 } catch (NameNotFoundException e) {
314 Log.w(TAG, "Failed to find resources for " + packageName);
315 }
316 }
317 }
318 return null;
319 }
Sunny Goyalfafca522014-11-03 11:30:01 -0800320
Sunny Goyal594d76d2014-11-06 10:12:54 -0800321 /**
Sunny Goyal5b0e6692015-03-19 14:31:19 -0700322 * Compresses the bitmap to a byte array for serialization.
323 */
324 public static byte[] flattenBitmap(Bitmap bitmap) {
325 // Try go guesstimate how much space the icon will take when serialized
326 // to avoid unnecessary allocations/copies during the write.
327 int size = bitmap.getWidth() * bitmap.getHeight() * 4;
328 ByteArrayOutputStream out = new ByteArrayOutputStream(size);
329 try {
330 bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
331 out.flush();
332 out.close();
333 return out.toByteArray();
334 } catch (IOException e) {
335 Log.w(TAG, "Could not write bitmap");
336 return null;
337 }
338 }
339
Sunny Goyalf7a29e82015-04-24 15:20:43 -0700340 /**
Winson Chung82b016c2015-05-08 17:00:10 -0700341 * Trims the string, removing all whitespace at the beginning and end of the string.
342 * Non-breaking whitespaces are also removed.
343 */
344 public static String trim(CharSequence s) {
Winson Chungafa77e92015-05-15 12:04:03 -0700345 if (s == null) {
346 return null;
347 }
348
Winson Chung82b016c2015-05-08 17:00:10 -0700349 // Just strip any sequence of whitespace or java space characters from the beginning and end
350 Matcher m = sTrimPattern.matcher(s);
351 return m.replaceAll("$1");
352 }
Sunny Goyal70660032015-05-14 00:07:08 -0700353
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700354 /**
355 * Calculates the height of a given string at a specific text size.
356 */
Sunny Goyalbaec6ff2016-09-14 11:26:21 -0700357 public static int calculateTextHeight(float textSizePx) {
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700358 Paint p = new Paint();
359 p.setTextSize(textSizePx);
360 Paint.FontMetrics fm = p.getFontMetrics();
Sunny Goyalbaec6ff2016-09-14 11:26:21 -0700361 return (int) Math.ceil(fm.bottom - fm.top);
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700362 }
363
Winson Chungb1777442015-06-16 13:35:04 -0700364 /**
365 * Convenience println with multiple args.
366 */
367 public static void println(String key, Object... args) {
368 StringBuilder b = new StringBuilder();
369 b.append(key);
370 b.append(": ");
371 boolean isFirstArgument = true;
372 for (Object arg : args) {
373 if (isFirstArgument) {
374 isFirstArgument = false;
375 } else {
376 b.append(", ");
377 }
378 b.append(arg);
379 }
380 System.out.println(b.toString());
381 }
382
Sunny Goyal70660032015-05-14 00:07:08 -0700383 public static boolean isRtl(Resources res) {
Sunny Goyala52ecb02016-12-16 15:04:51 -0800384 return res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
Sunny Goyal70660032015-05-14 00:07:08 -0700385 }
Hyunyoung Song2bd3d7d2015-05-21 13:04:53 -0700386
Sunny Goyal5c97f512015-05-19 16:03:28 -0700387 /**
388 * Returns true if the intent is a valid launch intent for a launcher activity of an app.
389 * This is used to identify shortcuts which are different from the ones exposed by the
390 * applications' manifest file.
391 *
392 * @param launchIntent The intent that will be launched when the shortcut is clicked.
393 */
394 public static boolean isLauncherAppTarget(Intent launchIntent) {
Sunny Goyal4e5cc642015-06-25 16:37:44 -0700395 if (launchIntent != null
Sunny Goyal5c97f512015-05-19 16:03:28 -0700396 && Intent.ACTION_MAIN.equals(launchIntent.getAction())
397 && launchIntent.getComponent() != null
398 && launchIntent.getCategories() != null
399 && launchIntent.getCategories().size() == 1
400 && launchIntent.hasCategory(Intent.CATEGORY_LAUNCHER)
Sunny Goyal4e5cc642015-06-25 16:37:44 -0700401 && TextUtils.isEmpty(launchIntent.getDataString())) {
402 // An app target can either have no extra or have ItemInfo.EXTRA_PROFILE.
403 Bundle extras = launchIntent.getExtras();
Sunny Goyal24bb66a2017-03-21 15:12:01 -0700404 return extras == null || extras.keySet().isEmpty();
405 }
Sunny Goyal4e5cc642015-06-25 16:37:44 -0700406 return false;
Sunny Goyal5c97f512015-05-19 16:03:28 -0700407 }
Adam Cohen2e6da152015-05-06 11:42:25 -0700408
409 public static float dpiFromPx(int size, DisplayMetrics metrics){
410 float densityRatio = (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT;
411 return (size / densityRatio);
412 }
413 public static int pxFromDp(float size, DisplayMetrics metrics) {
414 return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
415 size, metrics));
416 }
417 public static int pxFromSp(float size, DisplayMetrics metrics) {
418 return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
419 size, metrics));
420 }
Sunny Goyalb1622cc2015-06-10 16:00:42 -0700421
422 public static String createDbSelectionQuery(String columnName, Iterable<?> values) {
423 return String.format(Locale.ENGLISH, "%s IN (%s)", columnName, TextUtils.join(", ", values));
424 }
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700425
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700426 public static boolean isBootCompleted() {
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700427 return "1".equals(getSystemProperty("sys.boot_completed", "1"));
428 }
429
430 public static String getSystemProperty(String property, String defaultValue) {
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700431 try {
432 Class clazz = Class.forName("android.os.SystemProperties");
433 Method getter = clazz.getDeclaredMethod("get", String.class);
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700434 String value = (String) getter.invoke(null, property);
435 if (!TextUtils.isEmpty(value)) {
436 return value;
437 }
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700438 } catch (Exception e) {
439 Log.d(TAG, "Unable to read system properties");
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700440 }
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700441 return defaultValue;
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700442 }
Tony Wickham29d853c2015-09-08 10:35:56 -0700443
444 /**
445 * Ensures that a value is within given bounds. Specifically:
446 * If value is less than lowerBound, return lowerBound; else if value is greater than upperBound,
447 * return upperBound; else return value unchanged.
448 */
Tony Wickhamf549dab2016-05-16 09:54:06 -0700449 public static int boundToRange(int value, int lowerBound, int upperBound) {
450 return Math.max(lowerBound, Math.min(value, upperBound));
451 }
452
453 /**
454 * @see #boundToRange(int, int, int).
455 */
456 public static float boundToRange(float value, float lowerBound, float upperBound) {
Tony Wickham29d853c2015-09-08 10:35:56 -0700457 return Math.max(lowerBound, Math.min(value, upperBound));
458 }
Sunny Goyal9d438082015-09-25 11:50:16 -0700459
Sunny Goyale78e3d72015-09-24 11:23:31 -0700460 /**
461 * Wraps a message with a TTS span, so that a different message is spoken than
462 * what is getting displayed.
463 * @param msg original message
464 * @param ttsMsg message to be spoken
465 */
Sunny Goyale78e3d72015-09-24 11:23:31 -0700466 public static CharSequence wrapForTts(CharSequence msg, String ttsMsg) {
Sunny Goyala52ecb02016-12-16 15:04:51 -0800467 SpannableString spanned = new SpannableString(msg);
468 spanned.setSpan(new TtsSpan.TextBuilder(ttsMsg).build(),
469 0, spanned.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
470 return spanned;
Sunny Goyale78e3d72015-09-24 11:23:31 -0700471 }
Winson12fb9fc2015-10-01 15:34:08 -0700472
473 /**
474 * Replacement for Long.compare() which was added in API level 19.
475 */
476 public static int longCompare(long lhs, long rhs) {
477 return lhs < rhs ? -1 : (lhs == rhs ? 0 : 1);
478 }
Sunny Goyalf7258242015-10-19 16:59:07 -0700479
480 public static SharedPreferences getPrefs(Context context) {
481 return context.getSharedPreferences(
482 LauncherFiles.SHARED_PREFERENCES_KEY, Context.MODE_PRIVATE);
483 }
Tony Wickham112ac952015-11-12 12:31:50 -0800484
Sunny Goyal9d887a22017-06-08 14:00:43 -0700485 public static SharedPreferences getDevicePrefs(Context context) {
486 return context.getSharedPreferences(
487 LauncherFiles.DEVICE_PREFERENCES_KEY, Context.MODE_PRIVATE);
488 }
489
Tony Wickham112ac952015-11-12 12:31:50 -0800490 public static boolean isPowerSaverOn(Context context) {
491 PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
Sunny Goyala52ecb02016-12-16 15:04:51 -0800492 return powerManager.isPowerSaveMode();
Tony Wickham112ac952015-11-12 12:31:50 -0800493 }
Sunny Goyale1483fb2016-01-08 12:16:15 -0800494
Hyunyoung Song0de01172016-10-05 16:27:48 -0700495 public static boolean isWallpaperAllowed(Context context) {
Sunny Goyalf5e37442016-11-02 10:31:24 -0700496 if (ATLEAST_NOUGAT) {
Sunny Goyal1ed6c4a2016-04-21 15:16:11 -0700497 try {
498 WallpaperManager wm = context.getSystemService(WallpaperManager.class);
Kenny Guy367da9f2016-05-25 19:22:14 +0100499 return (Boolean) wm.getClass().getDeclaredMethod("isSetWallpaperAllowed")
Sunny Goyal1ed6c4a2016-04-21 15:16:11 -0700500 .invoke(wm);
501 } catch (Exception e) { }
502 }
503 return true;
504 }
505
Sunny Goyal713edfc2016-05-06 09:58:34 -0700506 public static void closeSilently(Closeable c) {
507 if (c != null) {
508 try {
509 c.close();
510 } catch (IOException e) {
Sunny Goyal3d706ad2017-03-06 16:56:39 -0800511 if (FeatureFlags.IS_DOGFOOD_BUILD) {
Sunny Goyal713edfc2016-05-06 09:58:34 -0700512 Log.d(TAG, "Error closing", e);
513 }
514 }
515 }
516 }
517
Sunny Goyale1483fb2016-01-08 12:16:15 -0800518 /**
Sunny Goyal3f732192016-05-13 13:48:44 -0700519 * Returns true if {@param original} contains all entries defined in {@param updates} and
520 * have the same value.
521 * The comparison uses {@link Object#equals(Object)} to compare the values.
522 */
523 public static boolean containsAll(Bundle original, Bundle updates) {
524 for (String key : updates.keySet()) {
525 Object value1 = updates.get(key);
526 Object value2 = original.get(key);
527 if (value1 == null) {
528 if (value2 != null) {
529 return false;
530 }
531 } else if (!value1.equals(value2)) {
532 return false;
533 }
534 }
535 return true;
536 }
537
Tony Wickham1bce7fd2016-04-28 17:39:03 -0700538 /** Returns whether the collection is null or empty. */
539 public static boolean isEmpty(Collection c) {
540 return c == null || c.isEmpty();
541 }
542
Sunny Goyal712ee532016-11-04 10:19:58 -0700543 public static boolean isBinderSizeError(Exception e) {
544 return e.getCause() instanceof TransactionTooLargeException
545 || e.getCause() instanceof DeadObjectException;
546 }
Sunny Goyalab121c12016-12-02 19:29:43 +0530547
548 public static <T> T getOverrideObject(Class<T> clazz, Context context, int resId) {
549 String className = context.getString(resId);
550 if (!TextUtils.isEmpty(className)) {
551 try {
552 Class<?> cls = Class.forName(className);
553 return (T) cls.getDeclaredConstructor(Context.class).newInstance(context);
554 } catch (ClassNotFoundException | InstantiationException | IllegalAccessException
555 | ClassCastException | NoSuchMethodException | InvocationTargetException e) {
556 Log.e(TAG, "Bad overriden class", e);
557 }
558 }
559
560 try {
561 return clazz.newInstance();
562 } catch (InstantiationException|IllegalAccessException e) {
563 throw new RuntimeException(e);
564 }
565 }
Tony Wickham580edcf2017-02-09 08:28:52 -0800566
567 /**
568 * Returns a HashSet with a single element. We use this instead of Collections.singleton()
569 * because HashSet ensures all operations, such as remove, are supported.
570 */
571 public static <T> HashSet<T> singletonHashSet(T elem) {
572 HashSet<T> hashSet = new HashSet<>(1);
573 hashSet.add(elem);
574 return hashSet;
575 }
Mario Bertschler48198d02017-01-30 17:05:24 -0800576
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800577}