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.text;
18 
19 /**
20  * Bit definitions for an integer defining the basic content type of text
21  * held in an {@link Editable} object. Supported classes may be combined
22  * with variations and flags to indicate desired behaviors.
23  *
24  * <h3>Examples</h3>
25  *
26  * <dl>
27  * <dt>A password field with the password visible to the user:
28  * <dd>inputType = TYPE_CLASS_TEXT |
29  *     TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
30  *
31  * <dt>A multi-line postal address with automatic capitalization:
32  * <dd>inputType = TYPE_CLASS_TEXT |
33  *     TYPE_TEXT_VARIATION_POSTAL_ADDRESS |
34  *     TYPE_TEXT_FLAG_MULTI_LINE
35  *
36  * <dt>A time field:
37  * <dd>inputType = TYPE_CLASS_DATETIME |
38  *     TYPE_DATETIME_VARIATION_TIME
39  * </dl>
40  */
41 public interface InputType {
42     /**
43      * Mask of bits that determine the overall class
44      * of text being given.  Currently supported classes are:
45      * {@link #TYPE_CLASS_TEXT}, {@link #TYPE_CLASS_NUMBER},
46      * {@link #TYPE_CLASS_PHONE}, {@link #TYPE_CLASS_DATETIME}.
47      * <p>IME authors: If the class is not one you
48      * understand, assume {@link #TYPE_CLASS_TEXT} with NO variation
49      * or flags.<p>
50      */
51     public static final int TYPE_MASK_CLASS = 0x0000000f;
52 
53     /**
54      * Mask of bits that determine the variation of
55      * the base content class.
56      */
57     public static final int TYPE_MASK_VARIATION = 0x00000ff0;
58 
59     /**
60      * Mask of bits that provide addition bit flags
61      * of options.
62      */
63     public static final int TYPE_MASK_FLAGS = 0x00fff000;
64 
65     /**
66      * Special content type for when no explicit type has been specified.
67      * This should be interpreted to mean that the target input connection
68      * is not rich, it can not process and show things like candidate text nor
69      * retrieve the current text, so the input method will need to run in a
70      * limited "generate key events" mode, if it supports it. Note that some
71      * input methods may not support it, for example a voice-based input
72      * method will likely not be able to generate key events even if this
73      * flag is set.
74      */
75     public static final int TYPE_NULL = 0x00000000;
76 
77     // ----------------------------------------------------------------------
78     // ----------------------------------------------------------------------
79     // ----------------------------------------------------------------------
80 
81     /**
82      * Class for normal text.  This class supports the following flags (only
83      * one of which should be set):
84      * {@link #TYPE_TEXT_FLAG_CAP_CHARACTERS},
85      * {@link #TYPE_TEXT_FLAG_CAP_WORDS}, and.
86      * {@link #TYPE_TEXT_FLAG_CAP_SENTENCES}.  It also supports the
87      * following variations:
88      * {@link #TYPE_TEXT_VARIATION_NORMAL}, and
89      * {@link #TYPE_TEXT_VARIATION_URI}.  If you do not recognize the
90      * variation, normal should be assumed.
91      */
92     public static final int TYPE_CLASS_TEXT = 0x00000001;
93 
94     /**
95      * Flag for {@link #TYPE_CLASS_TEXT}: capitalize all characters.  Overrides
96      * {@link #TYPE_TEXT_FLAG_CAP_WORDS} and
97      * {@link #TYPE_TEXT_FLAG_CAP_SENTENCES}.  This value is explicitly defined
98      * to be the same as {@link TextUtils#CAP_MODE_CHARACTERS}. Of course,
99      * this only affects languages where there are upper-case and lower-case letters.
100      */
101     public static final int TYPE_TEXT_FLAG_CAP_CHARACTERS = 0x00001000;
102 
103     /**
104      * Flag for {@link #TYPE_CLASS_TEXT}: capitalize the first character of
105      * every word.  Overrides {@link #TYPE_TEXT_FLAG_CAP_SENTENCES}.  This
106      * value is explicitly defined
107      * to be the same as {@link TextUtils#CAP_MODE_WORDS}. Of course,
108      * this only affects languages where there are upper-case and lower-case letters.
109      */
110     public static final int TYPE_TEXT_FLAG_CAP_WORDS = 0x00002000;
111 
112     /**
113      * Flag for {@link #TYPE_CLASS_TEXT}: capitalize the first character of
114      * each sentence.  This value is explicitly defined
115      * to be the same as {@link TextUtils#CAP_MODE_SENTENCES}. For example
116      * in English it means to capitalize after a period and a space (note that other
117      * languages may have different characters for period, or not use spaces,
118      * or use different grammatical rules). Of course,
119      * this only affects languages where there are upper-case and lower-case letters.
120      */
121     public static final int TYPE_TEXT_FLAG_CAP_SENTENCES = 0x00004000;
122 
123     /**
124      * Flag for {@link #TYPE_CLASS_TEXT}: the user is entering free-form
125      * text that should have auto-correction applied to it. Without this flag,
126      * the IME will not try to correct typos. You should always set this flag
127      * unless you really expect users to type non-words in this field, for
128      * example to choose a name for a character in a game.
129      * Contrast this with {@link #TYPE_TEXT_FLAG_AUTO_COMPLETE} and
130      * {@link #TYPE_TEXT_FLAG_NO_SUGGESTIONS}:
131      * {@code TYPE_TEXT_FLAG_AUTO_CORRECT} means that the IME will try to
132      * auto-correct typos as the user is typing, but does not define whether
133      * the IME offers an interface to show suggestions.
134      */
135     public static final int TYPE_TEXT_FLAG_AUTO_CORRECT = 0x00008000;
136 
137     /**
138      * Flag for {@link #TYPE_CLASS_TEXT}: the text editor (which means
139      * the application) is performing auto-completion of the text being entered
140      * based on its own semantics, which it will present to the user as they type.
141      * This generally means that the input method should not be showing
142      * candidates itself, but can expect the editor to supply its own
143      * completions/candidates from
144      * {@link android.view.inputmethod.InputMethodSession#displayCompletions
145      * InputMethodSession.displayCompletions()} as a result of the editor calling
146      * {@link android.view.inputmethod.InputMethodManager#displayCompletions
147      * InputMethodManager.displayCompletions()}.
148      * Note the contrast with {@link #TYPE_TEXT_FLAG_AUTO_CORRECT} and
149      * {@link #TYPE_TEXT_FLAG_NO_SUGGESTIONS}:
150      * {@code TYPE_TEXT_FLAG_AUTO_COMPLETE} means the editor should show an
151      * interface for displaying suggestions, but instead of supplying its own
152      * it will rely on the Editor to pass completions/corrections.
153      */
154     public static final int TYPE_TEXT_FLAG_AUTO_COMPLETE = 0x00010000;
155 
156     /**
157      * Flag for {@link #TYPE_CLASS_TEXT}: multiple lines of text can be
158      * entered into the field.  If this flag is not set, the text field
159      * will be constrained to a single line. The IME may also choose not to
160      * display an enter key when this flag is not set, as there should be no
161      * need to create new lines.
162      */
163     public static final int TYPE_TEXT_FLAG_MULTI_LINE = 0x00020000;
164 
165     /**
166      * Flag for {@link #TYPE_CLASS_TEXT}: the regular text view associated
167      * with this should not be multi-line, but when a fullscreen input method
168      * is providing text it should use multiple lines if it can.
169      */
170     public static final int TYPE_TEXT_FLAG_IME_MULTI_LINE = 0x00040000;
171 
172     /**
173      * Flag for {@link #TYPE_CLASS_TEXT}: the input method does not need to
174      * display any dictionary-based candidates. This is useful for text views that
175      * do not contain words from the language and do not benefit from any
176      * dictionary-based completions or corrections. It overrides the
177      * {@link #TYPE_TEXT_FLAG_AUTO_CORRECT} value when set.
178      * Please avoid using this unless you are certain this is what you want.
179      * Many input methods need suggestions to work well, for example the ones
180      * based on gesture typing. Consider clearing
181      * {@link #TYPE_TEXT_FLAG_AUTO_CORRECT} instead if you just do not
182      * want the IME to correct typos.
183      * Note the contrast with {@link #TYPE_TEXT_FLAG_AUTO_CORRECT} and
184      * {@link #TYPE_TEXT_FLAG_AUTO_COMPLETE}:
185      * {@code TYPE_TEXT_FLAG_NO_SUGGESTIONS} means the IME does not need to
186      * show an interface to display suggestions. Most IMEs will also take this to
187      * mean they do not need to try to auto-correct what the user is typing.
188      */
189     public static final int TYPE_TEXT_FLAG_NO_SUGGESTIONS = 0x00080000;
190 
191     // ----------------------------------------------------------------------
192 
193     /**
194      * Default variation of {@link #TYPE_CLASS_TEXT}: plain old normal text.
195      */
196     public static final int TYPE_TEXT_VARIATION_NORMAL = 0x00000000;
197 
198     /**
199      * Variation of {@link #TYPE_CLASS_TEXT}: entering a URI.
200      */
201     public static final int TYPE_TEXT_VARIATION_URI = 0x00000010;
202 
203     /**
204      * Variation of {@link #TYPE_CLASS_TEXT}: entering an e-mail address.
205      */
206     public static final int TYPE_TEXT_VARIATION_EMAIL_ADDRESS = 0x00000020;
207 
208     /**
209      * Variation of {@link #TYPE_CLASS_TEXT}: entering the subject line of
210      * an e-mail.
211      */
212     public static final int TYPE_TEXT_VARIATION_EMAIL_SUBJECT = 0x00000030;
213 
214     /**
215      * Variation of {@link #TYPE_CLASS_TEXT}: entering a short, possibly informal
216      * message such as an instant message or a text message.
217      */
218     public static final int TYPE_TEXT_VARIATION_SHORT_MESSAGE = 0x00000040;
219 
220     /**
221      * Variation of {@link #TYPE_CLASS_TEXT}: entering the content of a long, possibly
222      * formal message such as the body of an e-mail.
223      */
224     public static final int TYPE_TEXT_VARIATION_LONG_MESSAGE = 0x00000050;
225 
226     /**
227      * Variation of {@link #TYPE_CLASS_TEXT}: entering the name of a person.
228      */
229     public static final int TYPE_TEXT_VARIATION_PERSON_NAME = 0x00000060;
230 
231     /**
232      * Variation of {@link #TYPE_CLASS_TEXT}: entering a postal mailing address.
233      */
234     public static final int TYPE_TEXT_VARIATION_POSTAL_ADDRESS = 0x00000070;
235 
236     /**
237      * Variation of {@link #TYPE_CLASS_TEXT}: entering a password.
238      */
239     public static final int TYPE_TEXT_VARIATION_PASSWORD = 0x00000080;
240 
241     /**
242      * Variation of {@link #TYPE_CLASS_TEXT}: entering a password, which should
243      * be visible to the user.
244      */
245     public static final int TYPE_TEXT_VARIATION_VISIBLE_PASSWORD = 0x00000090;
246 
247     /**
248      * Variation of {@link #TYPE_CLASS_TEXT}: entering text inside of a web form.
249      */
250     public static final int TYPE_TEXT_VARIATION_WEB_EDIT_TEXT = 0x000000a0;
251 
252     /**
253      * Variation of {@link #TYPE_CLASS_TEXT}: entering text to filter contents
254      * of a list etc.
255      */
256     public static final int TYPE_TEXT_VARIATION_FILTER = 0x000000b0;
257 
258     /**
259      * Variation of {@link #TYPE_CLASS_TEXT}: entering text for phonetic
260      * pronunciation, such as a phonetic name field in contacts. This is mostly
261      * useful for languages where one spelling may have several phonetic
262      * readings, like Japanese.
263      */
264     public static final int TYPE_TEXT_VARIATION_PHONETIC = 0x000000c0;
265 
266     /**
267      * Variation of {@link #TYPE_CLASS_TEXT}: entering e-mail address inside
268      * of a web form.  This was added in
269      * {@link android.os.Build.VERSION_CODES#HONEYCOMB}.  An IME must target
270      * this API version or later to see this input type; if it doesn't, a request
271      * for this type will be seen as {@link #TYPE_TEXT_VARIATION_EMAIL_ADDRESS}
272      * when passed through {@link android.view.inputmethod.EditorInfo#makeCompatible(int)
273      * EditorInfo.makeCompatible(int)}.
274      */
275     public static final int TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS = 0x000000d0;
276 
277     /**
278      * Variation of {@link #TYPE_CLASS_TEXT}: entering password inside
279      * of a web form.  This was added in
280      * {@link android.os.Build.VERSION_CODES#HONEYCOMB}.  An IME must target
281      * this API version or later to see this input type; if it doesn't, a request
282      * for this type will be seen as {@link #TYPE_TEXT_VARIATION_PASSWORD}
283      * when passed through {@link android.view.inputmethod.EditorInfo#makeCompatible(int)
284      * EditorInfo.makeCompatible(int)}.
285      */
286     public static final int TYPE_TEXT_VARIATION_WEB_PASSWORD = 0x000000e0;
287 
288     // ----------------------------------------------------------------------
289     // ----------------------------------------------------------------------
290     // ----------------------------------------------------------------------
291 
292     /**
293      * Class for numeric text.  This class supports the following flags:
294      * {@link #TYPE_NUMBER_FLAG_SIGNED} and
295      * {@link #TYPE_NUMBER_FLAG_DECIMAL}.  It also supports the following
296      * variations: {@link #TYPE_NUMBER_VARIATION_NORMAL} and
297      * {@link #TYPE_NUMBER_VARIATION_PASSWORD}.
298      * <p>IME authors: If you do not recognize
299      * the variation, normal should be assumed.</p>
300      */
301     public static final int TYPE_CLASS_NUMBER = 0x00000002;
302 
303     /**
304      * Flag of {@link #TYPE_CLASS_NUMBER}: the number is signed, allowing
305      * a positive or negative sign at the start.
306      */
307     public static final int TYPE_NUMBER_FLAG_SIGNED = 0x00001000;
308 
309     /**
310      * Flag of {@link #TYPE_CLASS_NUMBER}: the number is decimal, allowing
311      * a decimal point to provide fractional values.
312      */
313     public static final int TYPE_NUMBER_FLAG_DECIMAL = 0x00002000;
314 
315     // ----------------------------------------------------------------------
316 
317     /**
318      * Default variation of {@link #TYPE_CLASS_NUMBER}: plain normal
319      * numeric text.  This was added in
320      * {@link android.os.Build.VERSION_CODES#HONEYCOMB}.  An IME must target
321      * this API version or later to see this input type; if it doesn't, a request
322      * for this type will be dropped when passed through
323      * {@link android.view.inputmethod.EditorInfo#makeCompatible(int)
324      * EditorInfo.makeCompatible(int)}.
325      */
326     public static final int TYPE_NUMBER_VARIATION_NORMAL = 0x00000000;
327 
328     /**
329      * Variation of {@link #TYPE_CLASS_NUMBER}: entering a numeric password.
330      * This was added in {@link android.os.Build.VERSION_CODES#HONEYCOMB}.  An
331      * IME must target this API version or later to see this input type; if it
332      * doesn't, a request for this type will be dropped when passed
333      * through {@link android.view.inputmethod.EditorInfo#makeCompatible(int)
334      * EditorInfo.makeCompatible(int)}.
335      */
336     public static final int TYPE_NUMBER_VARIATION_PASSWORD = 0x00000010;
337 
338     // ----------------------------------------------------------------------
339     // ----------------------------------------------------------------------
340     // ----------------------------------------------------------------------
341 
342     /**
343      * Class for a phone number.  This class currently supports no variations
344      * or flags.
345      */
346     public static final int TYPE_CLASS_PHONE = 0x00000003;
347 
348     // ----------------------------------------------------------------------
349     // ----------------------------------------------------------------------
350     // ----------------------------------------------------------------------
351 
352     /**
353      * Class for dates and times.  It supports the
354      * following variations:
355      * {@link #TYPE_DATETIME_VARIATION_NORMAL}
356      * {@link #TYPE_DATETIME_VARIATION_DATE}, and
357      * {@link #TYPE_DATETIME_VARIATION_TIME}.
358      */
359     public static final int TYPE_CLASS_DATETIME = 0x00000004;
360 
361     /**
362      * Default variation of {@link #TYPE_CLASS_DATETIME}: allows entering
363      * both a date and time.
364      */
365     public static final int TYPE_DATETIME_VARIATION_NORMAL = 0x00000000;
366 
367     /**
368      * Default variation of {@link #TYPE_CLASS_DATETIME}: allows entering
369      * only a date.
370      */
371     public static final int TYPE_DATETIME_VARIATION_DATE = 0x00000010;
372 
373     /**
374      * Default variation of {@link #TYPE_CLASS_DATETIME}: allows entering
375      * only a time.
376      */
377     public static final int TYPE_DATETIME_VARIATION_TIME = 0x00000020;
378 }
379