Code example for InputMethodInfo

Methods: getSubtypeCount

0
	 */ 
	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 Preference.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; 
	} 
 
	private static InputMethodInfo getMyImi(Context context, InputMethodManager imm) {
		final List<InputMethodInfo> imis = imm.getInputMethodList();
		for (int i = 0; i < imis.size(); ++i) {
			final InputMethodInfo imi = imis.get(i);
			if (imis.get(i).getPackageName().equals(context.getPackageName())) {
				return imi;
			} 
		} 
		return null; 
	} 
 
	private static String getEnabledSubtypesLabel(
			Context context, InputMethodManager imm, InputMethodInfo imi) {
		if (context == null || imm == null || imi == null) return null;
		final List<InputMethodSubtype> subtypes = imm.getEnabledInputMethodSubtypeList(imi, true);
		final StringBuilder sb = new StringBuilder();
		final int N = subtypes.size();
		for (int i = 0; i < N; ++i) {
			final InputMethodSubtype subtype = subtypes.get(i);
			if (sb.length() > 0) {
				sb.append(", ");
			} 
			sb.append(subtype.getDisplayName(context, imi.getPackageName(),
					imi.getServiceInfo().applicationInfo));
		} 
		return sb.toString();
	} 
 
	/** 
	 * {@inheritDoc} 
	 */ 
	@Override 
	public void setInputMethodSettingsCategoryTitle(int resId) {
		mInputMethodSettingsCategoryTitleRes = resId;
		updateSubtypeEnabler(); 
	} 
 
	/** 
	 * {@inheritDoc} 
	 */ 
	@Override 
	public void setInputMethodSettingsCategoryTitle(CharSequence title) {
		mInputMethodSettingsCategoryTitleRes = 0;
		mInputMethodSettingsCategoryTitle = title;
		updateSubtypeEnabler(); 
	} 
 
	/** 
	 * {@inheritDoc} 
	 */ 
	@Override 
	public void setSubtypeEnablerTitle(int resId) {
		mSubtypeEnablerTitleRes = resId;
		updateSubtypeEnabler(); 
	} 
 
	/** 
	 * {@inheritDoc} 
	 */ 
	@Override 
	public void setSubtypeEnablerTitle(CharSequence title) {
		mSubtypeEnablerTitleRes = 0;
		mSubtypeEnablerTitle = title;
		updateSubtypeEnabler(); 
	} 
 
	/** 
	 * {@inheritDoc} 
	 */ 
	@Override 
	public void setSubtypeEnablerIcon(int resId) {
		mSubtypeEnablerIconRes = resId;
		updateSubtypeEnabler(); 
	} 
 
	/** 
	 * {@inheritDoc} 
	 */ 
	@Override 
	public void setSubtypeEnablerIcon(Drawable drawable) {
		mSubtypeEnablerIconRes = 0;
		mSubtypeEnablerIcon = drawable;
		updateSubtypeEnabler(); 
	} 
 
	private CharSequence getSubtypeEnablerTitle(Context context) {
		if (mSubtypeEnablerTitleRes != 0) {
			return context.getString(mSubtypeEnablerTitleRes);
		} else { 
			return mSubtypeEnablerTitle;
		} 
	} 
 
	public void updateSubtypeEnabler() { 
		if (mSubtypeEnablerPreference != null) {
			if (mSubtypeEnablerTitleRes != 0) {
				mSubtypeEnablerPreference.setTitle(mSubtypeEnablerTitleRes);
			} else if (!TextUtils.isEmpty(mSubtypeEnablerTitle)) {
				mSubtypeEnablerPreference.setTitle(mSubtypeEnablerTitle);
			} 
			final String summary = getEnabledSubtypesLabel(mContext, mImm, mImi);
			if (!TextUtils.isEmpty(summary)) {
				mSubtypeEnablerPreference.setSummary(summary);
			} 
			if (mSubtypeEnablerIconRes != 0) {
				mSubtypeEnablerPreference.setIcon(mSubtypeEnablerIconRes);