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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.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