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1 /*
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 
17 package android.content.res;
18 
19 import android.content.pm.ActivityInfo;
20 import android.os.Parcel;
21 import android.os.Parcelable;
22 import android.util.LocaleUtil;
23 import android.view.View;
24 
25 import java.util.Locale;
26 
27 /**
28  * This class describes all device configuration information that can
29  * impact the resources the application retrieves.  This includes both
30  * user-specified configuration options (locale and scaling) as well
31  * as device configurations (such as input modes, screen size and screen orientation).
32  * <p>You can acquire this object from {@link Resources}, using {@link
33  * Resources#getConfiguration}. Thus, from an activity, you can get it by chaining the request
34  * with {@link android.app.Activity#getResources}:</p>
35  * <pre>Configuration config = getResources().getConfiguration();</pre>
36  */
37 public final class Configuration implements Parcelable, Comparable<Configuration> {
38     /**
39      * Current user preference for the scaling factor for fonts, relative
40      * to the base density scaling.
41      */
42     public float fontScale;
43 
44     /**
45      * IMSI MCC (Mobile Country Code), corresponding to
46      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#MccQualifier">mcc</a>
47      * resource qualifier.  0 if undefined.
48      */
49     public int mcc;
50 
51     /**
52      * IMSI MNC (Mobile Network Code), corresponding to
53      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#MccQualifier">mnc</a>
54      * resource qualifier.  0 if undefined.
55      */
56     public int mnc;
57 
58     /**
59      * Current user preference for the locale, corresponding to
60      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#LocaleQualifier">locale</a>
61      * resource qualifier.
62      */
63     public Locale locale;
64 
65     /**
66      * Locale should persist on setting.  This is hidden because it is really
67      * questionable whether this is the right way to expose the functionality.
68      * @hide
69      */
70     public boolean userSetLocale;
71 
72     /** Constant for {@link #screenLayout}: bits that encode the size. */
73     public static final int SCREENLAYOUT_SIZE_MASK = 0x0f;
74     /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK}
75      * value indicating that no size has been set. */
76     public static final int SCREENLAYOUT_SIZE_UNDEFINED = 0x00;
77     /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK}
78      * value indicating the screen is at least approximately 320x426 dp units,
79      * corresponds to the
80      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">small</a>
81      * resource qualifier.
82      * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting
83      * Multiple Screens</a> for more information. */
84     public static final int SCREENLAYOUT_SIZE_SMALL = 0x01;
85     /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK}
86      * value indicating the screen is at least approximately 320x470 dp units,
87      * corresponds to the
88      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">normal</a>
89      * resource qualifier.
90      * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting
91      * Multiple Screens</a> for more information. */
92     public static final int SCREENLAYOUT_SIZE_NORMAL = 0x02;
93     /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK}
94      * value indicating the screen is at least approximately 480x640 dp units,
95      * corresponds to the
96      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">large</a>
97      * resource qualifier.
98      * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting
99      * Multiple Screens</a> for more information. */
100     public static final int SCREENLAYOUT_SIZE_LARGE = 0x03;
101     /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK}
102      * value indicating the screen is at least approximately 720x960 dp units,
103      * corresponds to the
104      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">xlarge</a>
105      * resource qualifier.
106      * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting
107      * Multiple Screens</a> for more information.*/
108     public static final int SCREENLAYOUT_SIZE_XLARGE = 0x04;
109 
110     /** Constant for {@link #screenLayout}: bits that encode the aspect ratio. */
111     public static final int SCREENLAYOUT_LONG_MASK = 0x30;
112     /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK}
113      * value indicating that no size has been set. */
114     public static final int SCREENLAYOUT_LONG_UNDEFINED = 0x00;
115     /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK}
116      * value that corresponds to the
117      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenAspectQualifier">notlong</a>
118      * resource qualifier. */
119     public static final int SCREENLAYOUT_LONG_NO = 0x10;
120     /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK}
121      * value that corresponds to the
122      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenAspectQualifier">long</a>
123      * resource qualifier. */
124     public static final int SCREENLAYOUT_LONG_YES = 0x20;
125 
126     /**
127      * Special flag we generate to indicate that the screen layout requires
128      * us to use a compatibility mode for apps that are not modern layout
129      * aware.
130      * @hide
131      */
132     public static final int SCREENLAYOUT_COMPAT_NEEDED = 0x10000000;
133 
134     /**
135      * Bit mask of overall layout of the screen.  Currently there are two
136      * fields:
137      * <p>The {@link #SCREENLAYOUT_SIZE_MASK} bits define the overall size
138      * of the screen.  They may be one of
139      * {@link #SCREENLAYOUT_SIZE_SMALL}, {@link #SCREENLAYOUT_SIZE_NORMAL},
140      * {@link #SCREENLAYOUT_SIZE_LARGE}, or {@link #SCREENLAYOUT_SIZE_XLARGE}.
141      *
142      * <p>The {@link #SCREENLAYOUT_LONG_MASK} defines whether the screen
143      * is wider/taller than normal.  They may be one of
144      * {@link #SCREENLAYOUT_LONG_NO} or {@link #SCREENLAYOUT_LONG_YES}.
145      *
146      * <p>See <a href="{@docRoot}guide/practices/screens_support.html">Supporting
147      * Multiple Screens</a> for more information.
148      */
149     public int screenLayout;
150 
151     /**
152      * Check if the Configuration's current {@link #screenLayout} is at
153      * least the given size.
154      *
155      * @param size The desired size, either {@link #SCREENLAYOUT_SIZE_SMALL},
156      * {@link #SCREENLAYOUT_SIZE_NORMAL}, {@link #SCREENLAYOUT_SIZE_LARGE}, or
157      * {@link #SCREENLAYOUT_SIZE_XLARGE}.
158      * @return Returns true if the current screen layout size is at least
159      * the given size.
160      */
isLayoutSizeAtLeast(int size)161     public boolean isLayoutSizeAtLeast(int size) {
162         int cur = screenLayout&SCREENLAYOUT_SIZE_MASK;
163         if (cur == SCREENLAYOUT_SIZE_UNDEFINED) return false;
164         return cur >= size;
165     }
166 
167     /** Constant for {@link #touchscreen}: a value indicating that no value has been set. */
168     public static final int TOUCHSCREEN_UNDEFINED = 0;
169     /** Constant for {@link #touchscreen}, value corresponding to the
170      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#TouchscreenQualifier">notouch</a>
171      * resource qualifier. */
172     public static final int TOUCHSCREEN_NOTOUCH = 1;
173     /** @deprecated Not currently supported or used. */
174     @Deprecated public static final int TOUCHSCREEN_STYLUS = 2;
175     /** Constant for {@link #touchscreen}, value corresponding to the
176      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#TouchscreenQualifier">finger</a>
177      * resource qualifier. */
178     public static final int TOUCHSCREEN_FINGER = 3;
179 
180     /**
181      * The kind of touch screen attached to the device.
182      * One of: {@link #TOUCHSCREEN_NOTOUCH}, {@link #TOUCHSCREEN_FINGER}.
183      */
184     public int touchscreen;
185 
186     /** Constant for {@link #keyboard}: a value indicating that no value has been set. */
187     public static final int KEYBOARD_UNDEFINED = 0;
188     /** Constant for {@link #keyboard}, value corresponding to the
189      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">nokeys</a>
190      * resource qualifier. */
191     public static final int KEYBOARD_NOKEYS = 1;
192     /** Constant for {@link #keyboard}, value corresponding to the
193      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">qwerty</a>
194      * resource qualifier. */
195     public static final int KEYBOARD_QWERTY = 2;
196     /** Constant for {@link #keyboard}, value corresponding to the
197      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">12key</a>
198      * resource qualifier. */
199     public static final int KEYBOARD_12KEY = 3;
200 
201     /**
202      * The kind of keyboard attached to the device.
203      * One of: {@link #KEYBOARD_NOKEYS}, {@link #KEYBOARD_QWERTY},
204      * {@link #KEYBOARD_12KEY}.
205      */
206     public int keyboard;
207 
208     /** Constant for {@link #keyboardHidden}: a value indicating that no value has been set. */
209     public static final int KEYBOARDHIDDEN_UNDEFINED = 0;
210     /** Constant for {@link #keyboardHidden}, value corresponding to the
211      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#KeyboardAvailQualifier">keysexposed</a>
212      * resource qualifier. */
213     public static final int KEYBOARDHIDDEN_NO = 1;
214     /** Constant for {@link #keyboardHidden}, value corresponding to the
215      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#KeyboardAvailQualifier">keyshidden</a>
216      * resource qualifier. */
217     public static final int KEYBOARDHIDDEN_YES = 2;
218     /** Constant matching actual resource implementation. {@hide} */
219     public static final int KEYBOARDHIDDEN_SOFT = 3;
220 
221     /**
222      * A flag indicating whether any keyboard is available.  Unlike
223      * {@link #hardKeyboardHidden}, this also takes into account a soft
224      * keyboard, so if the hard keyboard is hidden but there is soft
225      * keyboard available, it will be set to NO.  Value is one of:
226      * {@link #KEYBOARDHIDDEN_NO}, {@link #KEYBOARDHIDDEN_YES}.
227      */
228     public int keyboardHidden;
229 
230     /** Constant for {@link #hardKeyboardHidden}: a value indicating that no value has been set. */
231     public static final int HARDKEYBOARDHIDDEN_UNDEFINED = 0;
232     /** Constant for {@link #hardKeyboardHidden}, value corresponding to the
233      * physical keyboard being exposed. */
234     public static final int HARDKEYBOARDHIDDEN_NO = 1;
235     /** Constant for {@link #hardKeyboardHidden}, value corresponding to the
236      * physical keyboard being hidden. */
237     public static final int HARDKEYBOARDHIDDEN_YES = 2;
238 
239     /**
240      * A flag indicating whether the hard keyboard has been hidden.  This will
241      * be set on a device with a mechanism to hide the keyboard from the
242      * user, when that mechanism is closed.  One of:
243      * {@link #HARDKEYBOARDHIDDEN_NO}, {@link #HARDKEYBOARDHIDDEN_YES}.
244      */
245     public int hardKeyboardHidden;
246 
247     /** Constant for {@link #navigation}: a value indicating that no value has been set. */
248     public static final int NAVIGATION_UNDEFINED = 0;
249     /** Constant for {@link #navigation}, value corresponding to the
250      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">nonav</a>
251      * resource qualifier. */
252     public static final int NAVIGATION_NONAV = 1;
253     /** Constant for {@link #navigation}, value corresponding to the
254      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">dpad</a>
255      * resource qualifier. */
256     public static final int NAVIGATION_DPAD = 2;
257     /** Constant for {@link #navigation}, value corresponding to the
258      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">trackball</a>
259      * resource qualifier. */
260     public static final int NAVIGATION_TRACKBALL = 3;
261     /** Constant for {@link #navigation}, value corresponding to the
262      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">wheel</a>
263      * resource qualifier. */
264     public static final int NAVIGATION_WHEEL = 4;
265 
266     /**
267      * The kind of navigation method available on the device.
268      * One of: {@link #NAVIGATION_NONAV}, {@link #NAVIGATION_DPAD},
269      * {@link #NAVIGATION_TRACKBALL}, {@link #NAVIGATION_WHEEL}.
270      */
271     public int navigation;
272 
273     /** Constant for {@link #navigationHidden}: a value indicating that no value has been set. */
274     public static final int NAVIGATIONHIDDEN_UNDEFINED = 0;
275     /** Constant for {@link #navigationHidden}, value corresponding to the
276      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavAvailQualifier">navexposed</a>
277      * resource qualifier. */
278     public static final int NAVIGATIONHIDDEN_NO = 1;
279     /** Constant for {@link #navigationHidden}, value corresponding to the
280      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavAvailQualifier">navhidden</a>
281      * resource qualifier. */
282     public static final int NAVIGATIONHIDDEN_YES = 2;
283 
284     /**
285      * A flag indicating whether any 5-way or DPAD navigation available.
286      * This will be set on a device with a mechanism to hide the navigation
287      * controls from the user, when that mechanism is closed.  One of:
288      * {@link #NAVIGATIONHIDDEN_NO}, {@link #NAVIGATIONHIDDEN_YES}.
289      */
290     public int navigationHidden;
291 
292     /** Constant for {@link #orientation}: a value indicating that no value has been set. */
293     public static final int ORIENTATION_UNDEFINED = 0;
294     /** Constant for {@link #orientation}, value corresponding to the
295      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#OrientationQualifier">port</a>
296      * resource qualifier. */
297     public static final int ORIENTATION_PORTRAIT = 1;
298     /** Constant for {@link #orientation}, value corresponding to the
299      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#OrientationQualifier">land</a>
300      * resource qualifier. */
301     public static final int ORIENTATION_LANDSCAPE = 2;
302     /** @deprecated Not currently supported or used. */
303     @Deprecated public static final int ORIENTATION_SQUARE = 3;
304 
305     /**
306      * Overall orientation of the screen.  May be one of
307      * {@link #ORIENTATION_LANDSCAPE}, {@link #ORIENTATION_PORTRAIT}.
308      */
309     public int orientation;
310 
311     /** Constant for {@link #uiMode}: bits that encode the mode type. */
312     public static final int UI_MODE_TYPE_MASK = 0x0f;
313     /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK}
314      * value indicating that no mode type has been set. */
315     public static final int UI_MODE_TYPE_UNDEFINED = 0x00;
316     /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK}
317      * value that corresponds to
318      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">no
319      * UI mode</a> resource qualifier specified. */
320     public static final int UI_MODE_TYPE_NORMAL = 0x01;
321     /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK}
322      * value that corresponds to the
323      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">desk</a>
324      * resource qualifier. */
325     public static final int UI_MODE_TYPE_DESK = 0x02;
326     /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK}
327      * value that corresponds to the
328      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">car</a>
329      * resource qualifier. */
330     public static final int UI_MODE_TYPE_CAR = 0x03;
331     /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK}
332      * value that corresponds to the
333      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">television</a>
334      * resource qualifier. */
335     public static final int UI_MODE_TYPE_TELEVISION = 0x04;
336     /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK}
337      * value that corresponds to the
338      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">appliance</a>
339      * resource qualifier. */
340     public static final int UI_MODE_TYPE_APPLIANCE = 0x05;
341 
342     /** Constant for {@link #uiMode}: bits that encode the night mode. */
343     public static final int UI_MODE_NIGHT_MASK = 0x30;
344     /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK}
345      * value indicating that no mode type has been set. */
346     public static final int UI_MODE_NIGHT_UNDEFINED = 0x00;
347     /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK}
348      * value that corresponds to the
349      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NightQualifier">notnight</a>
350      * resource qualifier. */
351     public static final int UI_MODE_NIGHT_NO = 0x10;
352     /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK}
353      * value that corresponds to the
354      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NightQualifier">night</a>
355      * resource qualifier. */
356     public static final int UI_MODE_NIGHT_YES = 0x20;
357 
358     /**
359      * Bit mask of the ui mode.  Currently there are two fields:
360      * <p>The {@link #UI_MODE_TYPE_MASK} bits define the overall ui mode of the
361      * device. They may be one of {@link #UI_MODE_TYPE_UNDEFINED},
362      * {@link #UI_MODE_TYPE_NORMAL}, {@link #UI_MODE_TYPE_DESK},
363      * {@link #UI_MODE_TYPE_CAR}, {@link #UI_MODE_TYPE_TELEVISION}, or
364      * {@link #UI_MODE_TYPE_APPLIANCE}.
365      *
366      * <p>The {@link #UI_MODE_NIGHT_MASK} defines whether the screen
367      * is in a special mode. They may be one of {@link #UI_MODE_NIGHT_UNDEFINED},
368      * {@link #UI_MODE_NIGHT_NO} or {@link #UI_MODE_NIGHT_YES}.
369      */
370     public int uiMode;
371 
372     public static final int SCREEN_WIDTH_DP_UNDEFINED = 0;
373 
374     /**
375      * The current width of the available screen space, in dp units,
376      * corresponding to
377      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenWidthQualifier">screen
378      * width</a> resource qualifier.
379      */
380     public int screenWidthDp;
381 
382     public static final int SCREEN_HEIGHT_DP_UNDEFINED = 0;
383 
384     /**
385      * The current height of the available screen space, in dp units,
386      * corresponding to
387      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenHeightQualifier">screen
388      * height</a> resource qualifier.
389      */
390     public int screenHeightDp;
391 
392     public static final int SMALLEST_SCREEN_WIDTH_DP_UNDEFINED = 0;
393 
394     /**
395      * The smallest screen size an application will see in normal operation,
396      * corresponding to
397      * <a href="{@docRoot}guide/topics/resources/providing-resources.html#SmallestScreenWidthQualifier">smallest
398      * screen width</a> resource qualifier.
399      * This is the smallest value of both screenWidthDp and screenHeightDp
400      * in both portrait and landscape.
401      */
402     public int smallestScreenWidthDp;
403 
404     /** @hide Hack to get this information from WM to app running in compat mode. */
405     public int compatScreenWidthDp;
406     /** @hide Hack to get this information from WM to app running in compat mode. */
407     public int compatScreenHeightDp;
408     /** @hide Hack to get this information from WM to app running in compat mode. */
409     public int compatSmallestScreenWidthDp;
410 
411     /**
412      * @hide The layout direction associated to the current Locale
413      */
414     public int layoutDirection;
415 
416     /**
417      * @hide Internal book-keeping.
418      */
419     public int seq;
420 
421     /**
422      * Construct an invalid Configuration.  You must call {@link #setToDefaults}
423      * for this object to be valid.  {@more}
424      */
Configuration()425     public Configuration() {
426         setToDefaults();
427     }
428 
429     /**
430      * Makes a deep copy suitable for modification.
431      */
Configuration(Configuration o)432     public Configuration(Configuration o) {
433         setTo(o);
434     }
435 
setTo(Configuration o)436     public void setTo(Configuration o) {
437         fontScale = o.fontScale;
438         mcc = o.mcc;
439         mnc = o.mnc;
440         if (o.locale != null) {
441             locale = (Locale) o.locale.clone();
442             layoutDirection = o.layoutDirection;
443         }
444         userSetLocale = o.userSetLocale;
445         touchscreen = o.touchscreen;
446         keyboard = o.keyboard;
447         keyboardHidden = o.keyboardHidden;
448         hardKeyboardHidden = o.hardKeyboardHidden;
449         navigation = o.navigation;
450         navigationHidden = o.navigationHidden;
451         orientation = o.orientation;
452         screenLayout = o.screenLayout;
453         uiMode = o.uiMode;
454         screenWidthDp = o.screenWidthDp;
455         screenHeightDp = o.screenHeightDp;
456         smallestScreenWidthDp = o.smallestScreenWidthDp;
457         compatScreenWidthDp = o.compatScreenWidthDp;
458         compatScreenHeightDp = o.compatScreenHeightDp;
459         compatSmallestScreenWidthDp = o.compatSmallestScreenWidthDp;
460         seq = o.seq;
461     }
462 
toString()463     public String toString() {
464         StringBuilder sb = new StringBuilder(128);
465         sb.append("{");
466         sb.append(fontScale);
467         sb.append(" ");
468         sb.append(mcc);
469         sb.append("mcc");
470         sb.append(mnc);
471         sb.append("mnc");
472         if (locale != null) {
473             sb.append(" ");
474             sb.append(locale);
475         } else {
476             sb.append(" (no locale)");
477         }
478         switch (layoutDirection) {
479             case View.LAYOUT_DIRECTION_LTR: /* ltr not interesting */ break;
480             case View.LAYOUT_DIRECTION_RTL: sb.append(" rtl"); break;
481             default: sb.append(" layoutDir="); sb.append(layoutDirection); break;
482         }
483         if (smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) {
484             sb.append(" sw"); sb.append(smallestScreenWidthDp); sb.append("dp");
485         } else {
486             sb.append(" ?swdp");
487         }
488         if (screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) {
489             sb.append(" w"); sb.append(screenWidthDp); sb.append("dp");
490         } else {
491             sb.append(" ?wdp");
492         }
493         if (screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) {
494             sb.append(" h"); sb.append(screenHeightDp); sb.append("dp");
495         } else {
496             sb.append(" ?hdp");
497         }
498         switch ((screenLayout&SCREENLAYOUT_SIZE_MASK)) {
499             case SCREENLAYOUT_SIZE_UNDEFINED: sb.append(" ?lsize"); break;
500             case SCREENLAYOUT_SIZE_SMALL: sb.append(" smll"); break;
501             case SCREENLAYOUT_SIZE_NORMAL: sb.append(" nrml"); break;
502             case SCREENLAYOUT_SIZE_LARGE: sb.append(" lrg"); break;
503             case SCREENLAYOUT_SIZE_XLARGE: sb.append(" xlrg"); break;
504             default: sb.append(" layoutSize=");
505                     sb.append(screenLayout&SCREENLAYOUT_SIZE_MASK); break;
506         }
507         switch ((screenLayout&SCREENLAYOUT_LONG_MASK)) {
508             case SCREENLAYOUT_LONG_UNDEFINED: sb.append(" ?long"); break;
509             case SCREENLAYOUT_LONG_NO: /* not-long is not interesting to print */ break;
510             case SCREENLAYOUT_LONG_YES: sb.append(" long"); break;
511             default: sb.append(" layoutLong=");
512                     sb.append(screenLayout&SCREENLAYOUT_LONG_MASK); break;
513         }
514         switch (orientation) {
515             case ORIENTATION_UNDEFINED: sb.append(" ?orien"); break;
516             case ORIENTATION_LANDSCAPE: sb.append(" land"); break;
517             case ORIENTATION_PORTRAIT: sb.append(" port"); break;
518             default: sb.append(" orien="); sb.append(orientation); break;
519         }
520         switch ((uiMode&UI_MODE_TYPE_MASK)) {
521             case UI_MODE_TYPE_UNDEFINED: sb.append(" ?uimode"); break;
522             case UI_MODE_TYPE_NORMAL: /* normal is not interesting to print */ break;
523             case UI_MODE_TYPE_DESK: sb.append(" desk"); break;
524             case UI_MODE_TYPE_CAR: sb.append(" car"); break;
525             case UI_MODE_TYPE_TELEVISION: sb.append(" television"); break;
526             case UI_MODE_TYPE_APPLIANCE: sb.append(" appliance"); break;
527             default: sb.append(" uimode="); sb.append(uiMode&UI_MODE_TYPE_MASK); break;
528         }
529         switch ((uiMode&UI_MODE_NIGHT_MASK)) {
530             case UI_MODE_NIGHT_UNDEFINED: sb.append(" ?night"); break;
531             case UI_MODE_NIGHT_NO: /* not-night is not interesting to print */ break;
532             case UI_MODE_NIGHT_YES: sb.append(" night"); break;
533             default: sb.append(" night="); sb.append(uiMode&UI_MODE_NIGHT_MASK); break;
534         }
535         switch (touchscreen) {
536             case TOUCHSCREEN_UNDEFINED: sb.append(" ?touch"); break;
537             case TOUCHSCREEN_NOTOUCH: sb.append(" -touch"); break;
538             case TOUCHSCREEN_STYLUS: sb.append(" stylus"); break;
539             case TOUCHSCREEN_FINGER: sb.append(" finger"); break;
540             default: sb.append(" touch="); sb.append(touchscreen); break;
541         }
542         switch (keyboard) {
543             case KEYBOARD_UNDEFINED: sb.append(" ?keyb"); break;
544             case KEYBOARD_NOKEYS: sb.append(" -keyb"); break;
545             case KEYBOARD_QWERTY: sb.append(" qwerty"); break;
546             case KEYBOARD_12KEY: sb.append(" 12key"); break;
547             default: sb.append(" keys="); sb.append(keyboard); break;
548         }
549         switch (keyboardHidden) {
550             case KEYBOARDHIDDEN_UNDEFINED: sb.append("/?"); break;
551             case KEYBOARDHIDDEN_NO: sb.append("/v"); break;
552             case KEYBOARDHIDDEN_YES: sb.append("/h"); break;
553             case KEYBOARDHIDDEN_SOFT: sb.append("/s"); break;
554             default: sb.append("/"); sb.append(keyboardHidden); break;
555         }
556         switch (hardKeyboardHidden) {
557             case HARDKEYBOARDHIDDEN_UNDEFINED: sb.append("/?"); break;
558             case HARDKEYBOARDHIDDEN_NO: sb.append("/v"); break;
559             case HARDKEYBOARDHIDDEN_YES: sb.append("/h"); break;
560             default: sb.append("/"); sb.append(hardKeyboardHidden); break;
561         }
562         switch (navigation) {
563             case NAVIGATION_UNDEFINED: sb.append(" ?nav"); break;
564             case NAVIGATION_NONAV: sb.append(" -nav"); break;
565             case NAVIGATION_DPAD: sb.append(" dpad"); break;
566             case NAVIGATION_TRACKBALL: sb.append(" tball"); break;
567             case NAVIGATION_WHEEL: sb.append(" wheel"); break;
568             default: sb.append(" nav="); sb.append(navigation); break;
569         }
570         switch (navigationHidden) {
571             case NAVIGATIONHIDDEN_UNDEFINED: sb.append("/?"); break;
572             case NAVIGATIONHIDDEN_NO: sb.append("/v"); break;
573             case NAVIGATIONHIDDEN_YES: sb.append("/h"); break;
574             default: sb.append("/"); sb.append(navigationHidden); break;
575         }
576         if (seq != 0) {
577             sb.append(" s.");
578             sb.append(seq);
579         }
580         sb.append('}');
581         return sb.toString();
582     }
583 
584     /**
585      * Set this object to the system defaults.
586      */
setToDefaults()587     public void setToDefaults() {
588         fontScale = 1;
589         mcc = mnc = 0;
590         locale = null;
591         userSetLocale = false;
592         touchscreen = TOUCHSCREEN_UNDEFINED;
593         keyboard = KEYBOARD_UNDEFINED;
594         keyboardHidden = KEYBOARDHIDDEN_UNDEFINED;
595         hardKeyboardHidden = HARDKEYBOARDHIDDEN_UNDEFINED;
596         navigation = NAVIGATION_UNDEFINED;
597         navigationHidden = NAVIGATIONHIDDEN_UNDEFINED;
598         orientation = ORIENTATION_UNDEFINED;
599         screenLayout = SCREENLAYOUT_SIZE_UNDEFINED;
600         uiMode = UI_MODE_TYPE_UNDEFINED;
601         screenWidthDp = compatScreenWidthDp = SCREEN_WIDTH_DP_UNDEFINED;
602         screenHeightDp = compatScreenHeightDp = SCREEN_HEIGHT_DP_UNDEFINED;
603         smallestScreenWidthDp = compatSmallestScreenWidthDp = SMALLEST_SCREEN_WIDTH_DP_UNDEFINED;
604         layoutDirection = View.LAYOUT_DIRECTION_LTR;
605         seq = 0;
606     }
607 
608     /** {@hide} */
makeDefault()609     @Deprecated public void makeDefault() {
610         setToDefaults();
611     }
612 
613     /**
614      * Copy the fields from delta into this Configuration object, keeping
615      * track of which ones have changed.  Any undefined fields in
616      * <var>delta</var> are ignored and not copied in to the current
617      * Configuration.
618      * @return Returns a bit mask of the changed fields, as per
619      * {@link #diff}.
620      */
updateFrom(Configuration delta)621     public int updateFrom(Configuration delta) {
622         int changed = 0;
623         if (delta.fontScale > 0 && fontScale != delta.fontScale) {
624             changed |= ActivityInfo.CONFIG_FONT_SCALE;
625             fontScale = delta.fontScale;
626         }
627         if (delta.mcc != 0 && mcc != delta.mcc) {
628             changed |= ActivityInfo.CONFIG_MCC;
629             mcc = delta.mcc;
630         }
631         if (delta.mnc != 0 && mnc != delta.mnc) {
632             changed |= ActivityInfo.CONFIG_MNC;
633             mnc = delta.mnc;
634         }
635         if (delta.locale != null
636                 && (locale == null || !locale.equals(delta.locale))) {
637             changed |= ActivityInfo.CONFIG_LOCALE;
638             locale = delta.locale != null
639                     ? (Locale) delta.locale.clone() : null;
640             layoutDirection = LocaleUtil.getLayoutDirectionFromLocale(locale);
641         }
642         if (delta.userSetLocale && (!userSetLocale || ((changed & ActivityInfo.CONFIG_LOCALE) != 0)))
643         {
644             userSetLocale = true;
645             changed |= ActivityInfo.CONFIG_LOCALE;
646         }
647         if (delta.touchscreen != TOUCHSCREEN_UNDEFINED
648                 && touchscreen != delta.touchscreen) {
649             changed |= ActivityInfo.CONFIG_TOUCHSCREEN;
650             touchscreen = delta.touchscreen;
651         }
652         if (delta.keyboard != KEYBOARD_UNDEFINED
653                 && keyboard != delta.keyboard) {
654             changed |= ActivityInfo.CONFIG_KEYBOARD;
655             keyboard = delta.keyboard;
656         }
657         if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED
658                 && keyboardHidden != delta.keyboardHidden) {
659             changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
660             keyboardHidden = delta.keyboardHidden;
661         }
662         if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED
663                 && hardKeyboardHidden != delta.hardKeyboardHidden) {
664             changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
665             hardKeyboardHidden = delta.hardKeyboardHidden;
666         }
667         if (delta.navigation != NAVIGATION_UNDEFINED
668                 && navigation != delta.navigation) {
669             changed |= ActivityInfo.CONFIG_NAVIGATION;
670             navigation = delta.navigation;
671         }
672         if (delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED
673                 && navigationHidden != delta.navigationHidden) {
674             changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
675             navigationHidden = delta.navigationHidden;
676         }
677         if (delta.orientation != ORIENTATION_UNDEFINED
678                 && orientation != delta.orientation) {
679             changed |= ActivityInfo.CONFIG_ORIENTATION;
680             orientation = delta.orientation;
681         }
682         if (delta.screenLayout != SCREENLAYOUT_SIZE_UNDEFINED
683                 && screenLayout != delta.screenLayout) {
684             changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT;
685             screenLayout = delta.screenLayout;
686         }
687         if (delta.uiMode != (UI_MODE_TYPE_UNDEFINED|UI_MODE_NIGHT_UNDEFINED)
688                 && uiMode != delta.uiMode) {
689             changed |= ActivityInfo.CONFIG_UI_MODE;
690             if ((delta.uiMode&UI_MODE_TYPE_MASK) != UI_MODE_TYPE_UNDEFINED) {
691                 uiMode = (uiMode&~UI_MODE_TYPE_MASK)
692                         | (delta.uiMode&UI_MODE_TYPE_MASK);
693             }
694             if ((delta.uiMode&UI_MODE_NIGHT_MASK) != UI_MODE_NIGHT_UNDEFINED) {
695                 uiMode = (uiMode&~UI_MODE_NIGHT_MASK)
696                         | (delta.uiMode&UI_MODE_NIGHT_MASK);
697             }
698         }
699         if (delta.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED
700                 && screenWidthDp != delta.screenWidthDp) {
701             changed |= ActivityInfo.CONFIG_SCREEN_SIZE;
702             screenWidthDp = delta.screenWidthDp;
703         }
704         if (delta.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED
705                 && screenHeightDp != delta.screenHeightDp) {
706             changed |= ActivityInfo.CONFIG_SCREEN_SIZE;
707             screenHeightDp = delta.screenHeightDp;
708         }
709         if (delta.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) {
710             smallestScreenWidthDp = delta.smallestScreenWidthDp;
711         }
712         if (delta.compatScreenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) {
713             compatScreenWidthDp = delta.compatScreenWidthDp;
714         }
715         if (delta.compatScreenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) {
716             compatScreenHeightDp = delta.compatScreenHeightDp;
717         }
718         if (delta.compatSmallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) {
719             compatSmallestScreenWidthDp = delta.compatSmallestScreenWidthDp;
720         }
721 
722         if (delta.seq != 0) {
723             seq = delta.seq;
724         }
725 
726         return changed;
727     }
728 
729     /**
730      * Return a bit mask of the differences between this Configuration
731      * object and the given one.  Does not change the values of either.  Any
732      * undefined fields in <var>delta</var> are ignored.
733      * @return Returns a bit mask indicating which configuration
734      * values has changed, containing any combination of
735      * {@link android.content.pm.ActivityInfo#CONFIG_FONT_SCALE
736      * PackageManager.ActivityInfo.CONFIG_FONT_SCALE},
737      * {@link android.content.pm.ActivityInfo#CONFIG_MCC
738      * PackageManager.ActivityInfo.CONFIG_MCC},
739      * {@link android.content.pm.ActivityInfo#CONFIG_MNC
740      * PackageManager.ActivityInfo.CONFIG_MNC},
741      * {@link android.content.pm.ActivityInfo#CONFIG_LOCALE
742      * PackageManager.ActivityInfo.CONFIG_LOCALE},
743      * {@link android.content.pm.ActivityInfo#CONFIG_TOUCHSCREEN
744      * PackageManager.ActivityInfo.CONFIG_TOUCHSCREEN},
745      * {@link android.content.pm.ActivityInfo#CONFIG_KEYBOARD
746      * PackageManager.ActivityInfo.CONFIG_KEYBOARD},
747      * {@link android.content.pm.ActivityInfo#CONFIG_NAVIGATION
748      * PackageManager.ActivityInfo.CONFIG_NAVIGATION},
749      * {@link android.content.pm.ActivityInfo#CONFIG_ORIENTATION
750      * PackageManager.ActivityInfo.CONFIG_ORIENTATION},
751      * {@link android.content.pm.ActivityInfo#CONFIG_SCREEN_LAYOUT
752      * PackageManager.ActivityInfo.CONFIG_SCREEN_LAYOUT}, or
753      * {@link android.content.pm.ActivityInfo#CONFIG_SCREEN_SIZE
754      * PackageManager.ActivityInfo.CONFIG_SCREEN_SIZE}, or
755      * {@link android.content.pm.ActivityInfo#CONFIG_SMALLEST_SCREEN_SIZE
756      * PackageManager.ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE}.
757      */
diff(Configuration delta)758     public int diff(Configuration delta) {
759         int changed = 0;
760         if (delta.fontScale > 0 && fontScale != delta.fontScale) {
761             changed |= ActivityInfo.CONFIG_FONT_SCALE;
762         }
763         if (delta.mcc != 0 && mcc != delta.mcc) {
764             changed |= ActivityInfo.CONFIG_MCC;
765         }
766         if (delta.mnc != 0 && mnc != delta.mnc) {
767             changed |= ActivityInfo.CONFIG_MNC;
768         }
769         if (delta.locale != null
770                 && (locale == null || !locale.equals(delta.locale))) {
771             changed |= ActivityInfo.CONFIG_LOCALE;
772         }
773         if (delta.touchscreen != TOUCHSCREEN_UNDEFINED
774                 && touchscreen != delta.touchscreen) {
775             changed |= ActivityInfo.CONFIG_TOUCHSCREEN;
776         }
777         if (delta.keyboard != KEYBOARD_UNDEFINED
778                 && keyboard != delta.keyboard) {
779             changed |= ActivityInfo.CONFIG_KEYBOARD;
780         }
781         if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED
782                 && keyboardHidden != delta.keyboardHidden) {
783             changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
784         }
785         if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED
786                 && hardKeyboardHidden != delta.hardKeyboardHidden) {
787             changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
788         }
789         if (delta.navigation != NAVIGATION_UNDEFINED
790                 && navigation != delta.navigation) {
791             changed |= ActivityInfo.CONFIG_NAVIGATION;
792         }
793         if (delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED
794                 && navigationHidden != delta.navigationHidden) {
795             changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
796         }
797         if (delta.orientation != ORIENTATION_UNDEFINED
798                 && orientation != delta.orientation) {
799             changed |= ActivityInfo.CONFIG_ORIENTATION;
800         }
801         if (delta.screenLayout != SCREENLAYOUT_SIZE_UNDEFINED
802                 && screenLayout != delta.screenLayout) {
803             changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT;
804         }
805         if (delta.uiMode != (UI_MODE_TYPE_UNDEFINED|UI_MODE_NIGHT_UNDEFINED)
806                 && uiMode != delta.uiMode) {
807             changed |= ActivityInfo.CONFIG_UI_MODE;
808         }
809         if (delta.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED
810                 && screenWidthDp != delta.screenWidthDp) {
811             changed |= ActivityInfo.CONFIG_SCREEN_SIZE;
812         }
813         if (delta.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED
814                 && screenHeightDp != delta.screenHeightDp) {
815             changed |= ActivityInfo.CONFIG_SCREEN_SIZE;
816         }
817         if (delta.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED
818                 && smallestScreenWidthDp != delta.smallestScreenWidthDp) {
819             changed |= ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE;
820         }
821 
822         return changed;
823     }
824 
825     /**
826      * Determine if a new resource needs to be loaded from the bit set of
827      * configuration changes returned by {@link #updateFrom(Configuration)}.
828      *
829      * @param configChanges The mask of changes configurations as returned by
830      * {@link #updateFrom(Configuration)}.
831      * @param interestingChanges The configuration changes that the resource
832      * can handled, as given in {@link android.util.TypedValue#changingConfigurations}.
833      *
834      * @return Return true if the resource needs to be loaded, else false.
835      */
needNewResources(int configChanges, int interestingChanges)836     public static boolean needNewResources(int configChanges, int interestingChanges) {
837         return (configChanges & (interestingChanges|ActivityInfo.CONFIG_FONT_SCALE)) != 0;
838     }
839 
840     /**
841      * @hide Return true if the sequence of 'other' is better than this.  Assumes
842      * that 'this' is your current sequence and 'other' is a new one you have
843      * received some how and want to compare with what you have.
844      */
isOtherSeqNewer(Configuration other)845     public boolean isOtherSeqNewer(Configuration other) {
846         if (other == null) {
847             // Sanity check.
848             return false;
849         }
850         if (other.seq == 0) {
851             // If the other sequence is not specified, then we must assume
852             // it is newer since we don't know any better.
853             return true;
854         }
855         if (seq == 0) {
856             // If this sequence is not specified, then we also consider the
857             // other is better.  Yes we have a preference for other.  Sue us.
858             return true;
859         }
860         int diff = other.seq - seq;
861         if (diff > 0x10000) {
862             // If there has been a sufficiently large jump, assume the
863             // sequence has wrapped around.
864             return false;
865         }
866         return diff > 0;
867     }
868 
869     /**
870      * Parcelable methods
871      */
describeContents()872     public int describeContents() {
873         return 0;
874     }
875 
writeToParcel(Parcel dest, int flags)876     public void writeToParcel(Parcel dest, int flags) {
877         dest.writeFloat(fontScale);
878         dest.writeInt(mcc);
879         dest.writeInt(mnc);
880         if (locale == null) {
881             dest.writeInt(0);
882         } else {
883             dest.writeInt(1);
884             dest.writeString(locale.getLanguage());
885             dest.writeString(locale.getCountry());
886             dest.writeString(locale.getVariant());
887         }
888         if(userSetLocale) {
889             dest.writeInt(1);
890         } else {
891             dest.writeInt(0);
892         }
893         dest.writeInt(touchscreen);
894         dest.writeInt(keyboard);
895         dest.writeInt(keyboardHidden);
896         dest.writeInt(hardKeyboardHidden);
897         dest.writeInt(navigation);
898         dest.writeInt(navigationHidden);
899         dest.writeInt(orientation);
900         dest.writeInt(screenLayout);
901         dest.writeInt(uiMode);
902         dest.writeInt(screenWidthDp);
903         dest.writeInt(screenHeightDp);
904         dest.writeInt(smallestScreenWidthDp);
905         dest.writeInt(compatScreenWidthDp);
906         dest.writeInt(compatScreenHeightDp);
907         dest.writeInt(compatSmallestScreenWidthDp);
908         dest.writeInt(layoutDirection);
909         dest.writeInt(seq);
910     }
911 
readFromParcel(Parcel source)912     public void readFromParcel(Parcel source) {
913         fontScale = source.readFloat();
914         mcc = source.readInt();
915         mnc = source.readInt();
916         if (source.readInt() != 0) {
917             locale = new Locale(source.readString(), source.readString(),
918                     source.readString());
919         }
920         userSetLocale = (source.readInt()==1);
921         touchscreen = source.readInt();
922         keyboard = source.readInt();
923         keyboardHidden = source.readInt();
924         hardKeyboardHidden = source.readInt();
925         navigation = source.readInt();
926         navigationHidden = source.readInt();
927         orientation = source.readInt();
928         screenLayout = source.readInt();
929         uiMode = source.readInt();
930         screenWidthDp = source.readInt();
931         screenHeightDp = source.readInt();
932         smallestScreenWidthDp = source.readInt();
933         compatScreenWidthDp = source.readInt();
934         compatScreenHeightDp = source.readInt();
935         compatSmallestScreenWidthDp = source.readInt();
936         layoutDirection = source.readInt();
937         seq = source.readInt();
938     }
939 
940     public static final Parcelable.Creator<Configuration> CREATOR
941             = new Parcelable.Creator<Configuration>() {
942         public Configuration createFromParcel(Parcel source) {
943             return new Configuration(source);
944         }
945 
946         public Configuration[] newArray(int size) {
947             return new Configuration[size];
948         }
949     };
950 
951     /**
952      * Construct this Configuration object, reading from the Parcel.
953      */
Configuration(Parcel source)954     private Configuration(Parcel source) {
955         readFromParcel(source);
956     }
957 
compareTo(Configuration that)958     public int compareTo(Configuration that) {
959         int n;
960         float a = this.fontScale;
961         float b = that.fontScale;
962         if (a < b) return -1;
963         if (a > b) return 1;
964         n = this.mcc - that.mcc;
965         if (n != 0) return n;
966         n = this.mnc - that.mnc;
967         if (n != 0) return n;
968         if (this.locale == null) {
969             if (that.locale != null) return 1;
970         } else if (that.locale == null) {
971             return -1;
972         } else {
973             n = this.locale.getLanguage().compareTo(that.locale.getLanguage());
974             if (n != 0) return n;
975             n = this.locale.getCountry().compareTo(that.locale.getCountry());
976             if (n != 0) return n;
977             n = this.locale.getVariant().compareTo(that.locale.getVariant());
978             if (n != 0) return n;
979         }
980         n = this.touchscreen - that.touchscreen;
981         if (n != 0) return n;
982         n = this.keyboard - that.keyboard;
983         if (n != 0) return n;
984         n = this.keyboardHidden - that.keyboardHidden;
985         if (n != 0) return n;
986         n = this.hardKeyboardHidden - that.hardKeyboardHidden;
987         if (n != 0) return n;
988         n = this.navigation - that.navigation;
989         if (n != 0) return n;
990         n = this.navigationHidden - that.navigationHidden;
991         if (n != 0) return n;
992         n = this.orientation - that.orientation;
993         if (n != 0) return n;
994         n = this.screenLayout - that.screenLayout;
995         if (n != 0) return n;
996         n = this.uiMode - that.uiMode;
997         if (n != 0) return n;
998         n = this.screenWidthDp - that.screenWidthDp;
999         if (n != 0) return n;
1000         n = this.screenHeightDp - that.screenHeightDp;
1001         if (n != 0) return n;
1002         n = this.smallestScreenWidthDp - that.smallestScreenWidthDp;
1003         //if (n != 0) return n;
1004         return n;
1005     }
1006 
equals(Configuration that)1007     public boolean equals(Configuration that) {
1008         if (that == null) return false;
1009         if (that == this) return true;
1010         return this.compareTo(that) == 0;
1011     }
1012 
equals(Object that)1013     public boolean equals(Object that) {
1014         try {
1015             return equals((Configuration)that);
1016         } catch (ClassCastException e) {
1017         }
1018         return false;
1019     }
1020 
hashCode()1021     public int hashCode() {
1022         int result = 17;
1023         result = 31 * result + Float.floatToIntBits(fontScale);
1024         result = 31 * result + mcc;
1025         result = 31 * result + mnc;
1026         result = 31 * result + (locale != null ? locale.hashCode() : 0);
1027         result = 31 * result + touchscreen;
1028         result = 31 * result + keyboard;
1029         result = 31 * result + keyboardHidden;
1030         result = 31 * result + hardKeyboardHidden;
1031         result = 31 * result + navigation;
1032         result = 31 * result + navigationHidden;
1033         result = 31 * result + orientation;
1034         result = 31 * result + screenLayout;
1035         result = 31 * result + uiMode;
1036         result = 31 * result + screenWidthDp;
1037         result = 31 * result + screenHeightDp;
1038         result = 31 * result + smallestScreenWidthDp;
1039         return result;
1040     }
1041 }
1042