import com.android.settings.search.Indexable;
import com.android.settings.search.SearchIndexableRaw;
import com.android.settingslib.inputmethod.InputMethodAndSubtypeUtil;
+import com.android.settingslib.inputmethod.InputMethodPreference;
import com.android.settingslib.inputmethod.InputMethodSettingValuesWrapper;
import java.text.Collator;
import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
import java.util.List;
public final class AvailableVirtualKeyboardFragment extends SettingsPreferenceFragment
private static Drawable getInputMethodIcon(@NonNull final PackageManager packageManager,
@NonNull final InputMethodInfo imi) {
final ServiceInfo si = imi.getServiceInfo();
- final ApplicationInfo ai = si.applicationInfo;
+ final ApplicationInfo ai = si != null ? si.applicationInfo : null;
final String packageName = imi.getPackageName();
if (si == null || ai == null || packageName == null) {
return new ColorDrawable(Color.TRANSPARENT);
final Context context = getPrefContext();
final PackageManager packageManager = getActivity().getPackageManager();
final List<InputMethodInfo> imis = mInputMethodSettingValues.getInputMethodList();
- final int N = (imis == null ? 0 : imis.size());
- for (int i = 0; i < N; ++i) {
+ final int numImis = (imis == null ? 0 : imis.size());
+ for (int i = 0; i < numImis; ++i) {
final InputMethodInfo imi = imis.get(i);
final boolean isAllowedByOrganization = permittedList == null
|| permittedList.contains(imi.getPackageName());
mInputMethodPreferenceList.add(pref);
}
final Collator collator = Collator.getInstance();
- Collections.sort(mInputMethodPreferenceList, new Comparator<InputMethodPreference>() {
- @Override
- public int compare(InputMethodPreference lhs, InputMethodPreference rhs) {
- return lhs.compareTo(rhs, collator);
- }
- });
+ mInputMethodPreferenceList.sort((lhs, rhs) -> lhs.compareTo(rhs, collator));
getPreferenceScreen().removeAll();
- for (int i = 0; i < N; ++i) {
+ for (int i = 0; i < numImis; ++i) {
final InputMethodPreference pref = mInputMethodPreferenceList.get(i);
pref.setOrder(i);
getPreferenceScreen().addPreference(pref);
static List<SearchIndexableRaw> buildSearchIndexOfInputMethods(final Context context,
final List<InputMethodInfo> inputMethods, final String screenTitle) {
final List<SearchIndexableRaw> indexes = new ArrayList<>();
- final InputMethodManager imm = (InputMethodManager) context.getSystemService(
- Context.INPUT_METHOD_SERVICE);
for (int i = 0; i < inputMethods.size(); i++) {
final InputMethodInfo imi = inputMethods.get(i);
final ServiceInfo serviceInfo = imi.getServiceInfo();
return indexes;
}
- public static Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+ public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider() {
@Override
public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
+++ /dev/null
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settings.inputmethod;
-
-import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
-
-import android.app.AlertDialog;
-import android.content.ActivityNotFoundException;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.text.TextUtils;
-import android.util.Log;
-import android.view.inputmethod.InputMethodInfo;
-import android.view.inputmethod.InputMethodManager;
-import android.view.inputmethod.InputMethodSubtype;
-import android.widget.Toast;
-
-import com.android.internal.inputmethod.InputMethodUtils;
-import com.android.settings.R;
-import com.android.settingslib.RestrictedLockUtils;
-import com.android.settingslib.RestrictedSwitchPreference;
-import com.android.settingslib.inputmethod.InputMethodAndSubtypeUtil;
-import com.android.settingslib.inputmethod.InputMethodSettingValuesWrapper;
-
-import java.text.Collator;
-import java.util.List;
-
-/**
- * Input method preference.
- *
- * This preference represents an IME. It is used for two purposes. 1) An instance with a switch
- * is used to enable or disable the IME. 2) An instance without a switch is used to invoke the
- * setting activity of the IME.
- */
-class InputMethodPreference extends RestrictedSwitchPreference implements OnPreferenceClickListener,
- OnPreferenceChangeListener {
- private static final String TAG = InputMethodPreference.class.getSimpleName();
- private static final String EMPTY_TEXT = "";
- private static final int NO_WIDGET = 0;
-
- interface OnSavePreferenceListener {
- /**
- * Called when this preference needs to be saved its state.
- *
- * Note that this preference is non-persistent and needs explicitly to be saved its state.
- * Because changing one IME state may change other IMEs' state, this is a place to update
- * other IMEs' state as well.
- *
- * @param pref This preference.
- */
- public void onSaveInputMethodPreference(InputMethodPreference pref);
- }
-
- private final InputMethodInfo mImi;
- private final boolean mHasPriorityInSorting;
- private final OnSavePreferenceListener mOnSaveListener;
- private final InputMethodSettingValuesWrapper mInputMethodSettingValues;
- private final boolean mIsAllowedByOrganization;
-
- private AlertDialog mDialog = null;
-
- /**
- * A preference entry of an input method.
- *
- * @param context The Context this is associated with.
- * @param imi The {@link InputMethodInfo} of this preference.
- * @param isImeEnabler true if this preference is the IME enabler that has enable/disable
- * switches for all available IMEs, not the list of enabled IMEs.
- * @param isAllowedByOrganization false if the IME has been disabled by a device or profile
- * owner.
- * @param onSaveListener The listener called when this preference has been changed and needs
- * to save the state to shared preference.
- */
- InputMethodPreference(final Context context, final InputMethodInfo imi,
- final boolean isImeEnabler, final boolean isAllowedByOrganization,
- final OnSavePreferenceListener onSaveListener) {
- super(context);
- setPersistent(false);
- mImi = imi;
- mIsAllowedByOrganization = isAllowedByOrganization;
- mOnSaveListener = onSaveListener;
- if (!isImeEnabler) {
- // Remove switch widget.
- setWidgetLayoutResource(NO_WIDGET);
- }
- // Disable on/off switch texts.
- setSwitchTextOn(EMPTY_TEXT);
- setSwitchTextOff(EMPTY_TEXT);
- setKey(imi.getId());
- setTitle(imi.loadLabel(context.getPackageManager()));
- final String settingsActivity = imi.getSettingsActivity();
- if (TextUtils.isEmpty(settingsActivity)) {
- setIntent(null);
- } else {
- // Set an intent to invoke settings activity of an input method.
- final Intent intent = new Intent(Intent.ACTION_MAIN);
- intent.setClassName(imi.getPackageName(), settingsActivity);
- setIntent(intent);
- }
- mInputMethodSettingValues = InputMethodSettingValuesWrapper.getInstance(context);
- mHasPriorityInSorting = InputMethodUtils.isSystemIme(imi)
- && mInputMethodSettingValues.isValidSystemNonAuxAsciiCapableIme(imi, context);
- setOnPreferenceClickListener(this);
- setOnPreferenceChangeListener(this);
- }
-
- public InputMethodInfo getInputMethodInfo() {
- return mImi;
- }
-
- private boolean isImeEnabler() {
- // If this {@link SwitchPreference} doesn't have a widget layout, we explicitly hide the
- // switch widget at constructor.
- return getWidgetLayoutResource() != NO_WIDGET;
- }
-
- @Override
- public boolean onPreferenceChange(final Preference preference, final Object newValue) {
- // Always returns false to prevent default behavior.
- // See {@link TwoStatePreference#onClick()}.
- if (!isImeEnabler()) {
- // Prevent disabling an IME because this preference is for invoking a settings activity.
- return false;
- }
- if (isChecked()) {
- // Disable this IME.
- setCheckedInternal(false);
- return false;
- }
- if (InputMethodUtils.isSystemIme(mImi)) {
- // Enable a system IME. No need to show a security warning dialog,
- // but we might need to prompt if it's not Direct Boot aware.
- if (mImi.getServiceInfo().directBootAware) {
- setCheckedInternal(true);
- } else {
- showDirectBootWarnDialog();
- }
- } else {
- // Once security is confirmed, we might prompt if the IME isn't
- // Direct Boot aware.
- showSecurityWarnDialog();
- }
- return false;
- }
-
- @Override
- public boolean onPreferenceClick(final Preference preference) {
- // Always returns true to prevent invoking an intent without catching exceptions.
- // See {@link Preference#performClick(PreferenceScreen)}/
- if (isImeEnabler()) {
- // Prevent invoking a settings activity because this preference is for enabling and
- // disabling an input method.
- return true;
- }
- final Context context = getContext();
- try {
- final Intent intent = getIntent();
- if (intent != null) {
- // Invoke a settings activity of an input method.
- context.startActivity(intent);
- }
- } catch (final ActivityNotFoundException e) {
- Log.d(TAG, "IME's Settings Activity Not Found", e);
- final String message = context.getString(
- R.string.failed_to_open_app_settings_toast,
- mImi.loadLabel(context.getPackageManager()));
- Toast.makeText(context, message, Toast.LENGTH_LONG).show();
- }
- return true;
- }
-
- void updatePreferenceViews() {
- final boolean isAlwaysChecked = mInputMethodSettingValues.isAlwaysCheckedIme(
- mImi, getContext());
- // When this preference has a switch and an input method should be always enabled,
- // this preference should be disabled to prevent accidentally disabling an input method.
- // This preference should also be disabled in case the admin does not allow this input
- // method.
- if (isAlwaysChecked && isImeEnabler()) {
- setDisabledByAdmin(null);
- setEnabled(false);
- } else if (!mIsAllowedByOrganization) {
- EnforcedAdmin admin =
- RestrictedLockUtils.checkIfInputMethodDisallowed(getContext(),
- mImi.getPackageName(), UserHandle.myUserId());
- setDisabledByAdmin(admin);
- } else {
- setEnabled(true);
- }
- setChecked(mInputMethodSettingValues.isEnabledImi(mImi));
- if (!isDisabledByAdmin()) {
- setSummary(getSummaryString());
- }
- }
-
- private InputMethodManager getInputMethodManager() {
- return (InputMethodManager)getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
- }
-
- private String getSummaryString() {
- final InputMethodManager imm = getInputMethodManager();
- final List<InputMethodSubtype> subtypes = imm.getEnabledInputMethodSubtypeList(mImi, true);
- return InputMethodAndSubtypeUtil.getSubtypeLocaleNameListAsSentence(
- subtypes, getContext(), mImi);
- }
-
- private void setCheckedInternal(boolean checked) {
- super.setChecked(checked);
- mOnSaveListener.onSaveInputMethodPreference(InputMethodPreference.this);
- notifyChanged();
- }
-
- private void showSecurityWarnDialog() {
- if (mDialog != null && mDialog.isShowing()) {
- mDialog.dismiss();
- }
- final Context context = getContext();
- final AlertDialog.Builder builder = new AlertDialog.Builder(context);
- builder.setCancelable(true /* cancelable */);
- builder.setTitle(android.R.string.dialog_alert_title);
- final CharSequence label = mImi.getServiceInfo().applicationInfo.loadLabel(
- context.getPackageManager());
- builder.setMessage(context.getString(R.string.ime_security_warning, label));
- builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(final DialogInterface dialog, final int which) {
- // The user confirmed to enable a 3rd party IME, but we might
- // need to prompt if it's not Direct Boot aware.
- if (mImi.getServiceInfo().directBootAware) {
- setCheckedInternal(true);
- } else {
- showDirectBootWarnDialog();
- }
- }
- });
- builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(final DialogInterface dialog, final int which) {
- // The user canceled to enable a 3rd party IME.
- setCheckedInternal(false);
- }
- });
- mDialog = builder.create();
- mDialog.show();
- }
-
- private void showDirectBootWarnDialog() {
- if (mDialog != null && mDialog.isShowing()) {
- mDialog.dismiss();
- }
- final Context context = getContext();
- final AlertDialog.Builder builder = new AlertDialog.Builder(context);
- builder.setCancelable(true /* cancelable */);
- builder.setMessage(context.getText(R.string.direct_boot_unaware_dialog_message));
- builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(final DialogInterface dialog, final int which) {
- setCheckedInternal(true);
- }
- });
- builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(final DialogInterface dialog, final int which) {
- setCheckedInternal(false);
- }
- });
- mDialog = builder.create();
- mDialog.show();
- }
-
- int compareTo(final InputMethodPreference rhs, final Collator collator) {
- if (this == rhs) {
- return 0;
- }
- if (mHasPriorityInSorting == rhs.mHasPriorityInSorting) {
- final CharSequence t0 = getTitle();
- final CharSequence t1 = rhs.getTitle();
- if (TextUtils.isEmpty(t0)) {
- return 1;
- }
- if (TextUtils.isEmpty(t1)) {
- return -1;
- }
- return collator.compare(t0.toString(), t1.toString());
- }
- // Prefer always checked system IMEs
- return mHasPriorityInSorting ? -1 : 1;
- }
-}
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