| /* |
| * Copyright (C) 2012 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.mms.util; |
| |
| import android.content.Context; |
| import android.os.AsyncTask; |
| import android.telephony.PhoneNumberFormattingTextWatcher; |
| import android.widget.TextView; |
| |
| import com.android.mms.MmsApp; |
| |
| public final class PhoneNumberFormatter { |
| private PhoneNumberFormatter() {} |
| |
| /** |
| * Load {@link TextWatcherLoadAsyncTask} in a worker thread and set it to a {@link TextView}. |
| */ |
| private static class TextWatcherLoadAsyncTask extends |
| AsyncTask<Void, Void, PhoneNumberFormattingTextWatcher> { |
| private final String mCountryCode; |
| private final TextView mTextView; |
| |
| public TextWatcherLoadAsyncTask(String countryCode, TextView textView) { |
| mCountryCode = countryCode; |
| mTextView = textView; |
| } |
| |
| @Override |
| protected PhoneNumberFormattingTextWatcher doInBackground(Void... params) { |
| return new PhoneNumberFormattingTextWatcher(mCountryCode); |
| } |
| |
| @Override |
| protected void onPostExecute(PhoneNumberFormattingTextWatcher watcher) { |
| if (watcher == null || isCancelled()) { |
| return; // May happen if we cancel the task. |
| } |
| // Setting a text changed listener is safe even after the view is detached. |
| mTextView.addTextChangedListener(watcher); |
| |
| // Note changes the user made before onPostExecute() will not be formatted, but |
| // once they type the next letter we format the entire text, so it's not a big deal. |
| // (And loading PhoneNumberFormattingTextWatcher is usually fast enough.) |
| // We could use watcher.afterTextChanged(mTextView.getEditableText()) to force format |
| // the existing content here, but that could cause unwanted results. |
| // (e.g. the contact editor thinks the user changed the content, and would save |
| // when closed even when the user didn't make other changes.) |
| } |
| } |
| |
| /** |
| * Delay-set {@link PhoneNumberFormattingTextWatcher} to a {@link TextView}. |
| */ |
| public static final void setPhoneNumberFormattingTextWatcher(Context context, |
| TextView textView) { |
| new TextWatcherLoadAsyncTask(MmsApp.getApplication().getCurrentCountryIso(), textView) |
| .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void[]) null); |
| } |
| } |