private Drawable getSubtypeIcon(InputMethodInfo imi, InputMethodSubtype subtype) {
if (imi != null) {
if (DEBUG) {
Log.d(TAG, "Update icons of IME: " + imi.getPackageName());
if (subtype != null) {
Log.d(TAG, "subtype =" + subtype.getLocale() + "," + subtype.getMode());
}
}
if (subtype != null) {
return mPackageManager.getDrawable(
imi.getPackageName(), subtype.getIconResId(), imi.getServiceInfo().applicationInfo);
} else if (imi.getSubtypeCount() > 0) {
return mPackageManager.getDrawable(
imi.getPackageName(),
imi.getSubtypeAt(0).getIconResId(),
imi.getServiceInfo().applicationInfo);
} else {
try {
return mPackageManager
.getApplicationInfo(imi.getPackageName(), 0)
.loadIcon(mPackageManager);
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, "IME can't be found: " + imi.getPackageName());
}
}
}
return null;
}
/**
* Initialize internal states of this object.
*
* @param context the context for this application.
* @param prefScreen a PreferenceScreen of PreferenceActivity or PreferenceFragment.
* @return true if this application is an IME and has two or more subtypes, false otherwise.
*/
public boolean init(final Context context, final PreferenceScreen prefScreen) {
mContext = context;
mImm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
mImi = getMyImi(context, mImm);
if (mImi == null || mImi.getSubtypeCount() <= 1) {
return false;
}
mSubtypeEnablerPreference = new Preference(context);
mSubtypeEnablerPreference.setOnPreferenceClickListener(
new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
final CharSequence title = getSubtypeEnablerTitle(context);
final Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS);
intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, mImi.getId());
if (!TextUtils.isEmpty(title)) {
intent.putExtra(Intent.EXTRA_TITLE, title);
}
intent.setFlags(
Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
| Intent.FLAG_ACTIVITY_CLEAR_TOP);
context.startActivity(intent);
return true;
}
});
prefScreen.addPreference(mSubtypeEnablerPreference);
updateSubtypeEnabler();
return true;
}
public static boolean checkIfSubtypeBelongsToThisIme(Context context, InputMethodSubtype ims) {
final InputMethodInfo myImi = getInputMethodInfoOfThisIme(context);
final int count = myImi.getSubtypeCount();
for (int i = 0; i < count; i++) {
final InputMethodSubtype subtype = myImi.getSubtypeAt(i);
if (subtype.equals(ims)) {
return true;
}
}
return false;
}
public static InputMethodSubtype findSubtypeByLocaleAndKeyboardLayoutSet(
Context context, String localeString, String keyboardLayoutSetName) {
final InputMethodInfo imi = getInputMethodInfoOfThisIme(context);
final int count = imi.getSubtypeCount();
for (int i = 0; i < count; i++) {
final InputMethodSubtype subtype = imi.getSubtypeAt(i);
final String layoutName = SubtypeLocale.getKeyboardLayoutSetName(subtype);
if (localeString.equals(subtype.getLocale()) && keyboardLayoutSetName.equals(layoutName)) {
return subtype;
}
}
return null;
}
public SubtypeLocaleAdapter(Context context) {
super(context, android.R.layout.simple_spinner_item);
setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
final TreeSet<SubtypeLocaleItem> items = new TreeSet<SubtypeLocaleItem>();
final InputMethodInfo imi = ImfUtils.getInputMethodInfoOfThisIme(context);
final int count = imi.getSubtypeCount();
for (int i = 0; i < count; i++) {
final InputMethodSubtype subtype = imi.getSubtypeAt(i);
if (subtype.containsExtraValueKey(ASCII_CAPABLE)) {
items.add(createItem(context, subtype.getLocale()));
}
}
// TODO: Should filter out already existing combinations of locale and layout.
addAll(items);
}