1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
package juloo.keyboard2;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.inputmethodservice.InputMethodService;
import android.os.Build.VERSION;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodManager;
import android.view.inputmethod.InputMethodSubtype;
import android.widget.ArrayAdapter;
import java.util.AbstractMap.SimpleEntry;
import java.util.ArrayList;
import java.util.List;
class VoiceImeSwitcher
{
static final String PREF_LAST_USED = "voice_ime_last_used";
static final String PREF_KNOWN_IMES = "voice_ime_known";
/** Switch to the voice ime. This might open a chooser popup. Preferences are
used to store the last selected voice ime and to detect whether the
chooser popup must be shown. Returns [false] if the detection failed and
is unlikely to succeed. */
public static boolean switch_to_voice_ime(InputMethodService ims,
InputMethodManager imm, SharedPreferences prefs)
{
List<IME> imes = get_voice_ime_list(imm);
String last_used = prefs.getString(PREF_LAST_USED, null);
String last_known_imes = prefs.getString(PREF_KNOWN_IMES, null);
IME last_used_ime = get_ime_by_id(imes, last_used);
if (imes.size() == 0)
return false;
if (last_used == null || last_known_imes == null || last_used_ime == null
|| !last_known_imes.equals(serialize_ime_ids(imes)))
choose_voice_ime_and_update_prefs(ims, prefs, imes);
else
switch_input_method(ims, last_used_ime);
return true;
}
public static boolean choose_voice_ime(InputMethodService ims,
InputMethodManager imm, SharedPreferences prefs)
{
List<IME> imes = get_voice_ime_list(imm);
choose_voice_ime_and_update_prefs(ims, prefs, imes);
return true;
}
/** Show the voice IME chooser popup and switch to the selected IME.
Preferences are updated so that future calls to [switch_to_voice_ime]
switch to the newly selected IME. */
static void choose_voice_ime_and_update_prefs(final InputMethodService ims,
final SharedPreferences prefs, final List<IME> imes)
{
List<String> ime_display_names = get_ime_display_names(ims, imes);
ArrayAdapter layouts = new ArrayAdapter(ims, android.R.layout.simple_list_item_1, ime_display_names);
AlertDialog dialog = new AlertDialog.Builder(ims)
.setAdapter(layouts, new DialogInterface.OnClickListener(){
public void onClick(DialogInterface _dialog, int which)
{
IME selected = imes.get(which);
prefs.edit()
.putString(PREF_LAST_USED, selected.get_id())
.putString(PREF_KNOWN_IMES, serialize_ime_ids(imes))
.apply();
switch_input_method(ims, selected);
}
})
.create();
Utils.show_dialog_on_ime(dialog, ims.getWindow().getWindow().getDecorView().getWindowToken());
}
static void switch_input_method(InputMethodService ims, IME ime)
{
if (VERSION.SDK_INT < 28)
ims.switchInputMethod(ime.get_id());
else
ims.switchInputMethod(ime.get_id(), ime.subtype);
}
static IME get_ime_by_id(List<IME> imes, String id)
{
if (id != null)
for (IME ime : imes)
if (ime.get_id().equals(id))
return ime;
return null;
}
static List<String> get_ime_display_names(InputMethodService ims, List<IME> imes)
{
List<String> names = new ArrayList<String>();
for (IME ime : imes)
names.add(ime.get_display_name(ims));
return names;
}
static List<IME> get_voice_ime_list(InputMethodManager imm)
{
List<IME> imes = new ArrayList<IME>();
for (InputMethodInfo im : imm.getEnabledInputMethodList())
for (InputMethodSubtype imst : imm.getEnabledInputMethodSubtypeList(im, true))
if (imst.getMode().equals("voice"))
imes.add(new IME(im, imst));
return imes;
}
/** The chooser popup is shown whether this string changes. */
static String serialize_ime_ids(List<IME> imes)
{
StringBuilder b = new StringBuilder();
for (IME ime : imes)
{
b.append(ime.get_id());
b.append(',');
}
return b.toString();
}
static class IME
{
public final InputMethodInfo im;
public final InputMethodSubtype subtype;
IME(InputMethodInfo im_, InputMethodSubtype st)
{
im = im_;
subtype = st;
}
String get_id() { return im.getId(); }
/** Localised display name. */
String get_display_name(Context ctx)
{
String subtype_name = "";
if (VERSION.SDK_INT >= 14)
{
subtype_name = subtype.getDisplayName(ctx, im.getPackageName(), null).toString();
if (!subtype_name.equals(""))
subtype_name = " - " + subtype_name;
}
return im.loadLabel(ctx.getPackageManager()).toString() + subtype_name;
}
}
}
|
