481582f4ec
When destroying the activity, the HandlerThread isnt stopped. This results in that the thread remains, and if you enter/exit the activity multiple times, you will end up with multiple threads and a small memory leak Change-Id: I4779d2625e6002b55066dd034c84d743b9f80ef5
358 lines
12 KiB
Java
358 lines
12 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import android.app.Dialog;
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import android.app.ProgressDialog;
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import android.content.BroadcastReceiver;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.os.Looper;
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import android.os.Message;
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import android.preference.Preference;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceGroup;
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import android.preference.PreferenceScreen;
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import android.provider.Telephony;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.widget.Toast;
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import com.android.internal.telephony.Phone;
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import com.android.internal.telephony.PhoneConstants;
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import com.android.internal.telephony.TelephonyIntents;
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import com.android.internal.telephony.TelephonyProperties;
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import java.util.ArrayList;
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public class ApnSettings extends PreferenceActivity implements
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Preference.OnPreferenceChangeListener {
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static final String TAG = "ApnSettings";
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public static final String EXTRA_POSITION = "position";
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public static final String RESTORE_CARRIERS_URI =
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"content://telephony/carriers/restore";
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public static final String PREFERRED_APN_URI =
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"content://telephony/carriers/preferapn";
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public static final String APN_ID = "apn_id";
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private static final int ID_INDEX = 0;
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private static final int NAME_INDEX = 1;
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private static final int APN_INDEX = 2;
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private static final int TYPES_INDEX = 3;
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private static final int MENU_NEW = Menu.FIRST;
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private static final int MENU_RESTORE = Menu.FIRST + 1;
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private static final int EVENT_RESTORE_DEFAULTAPN_START = 1;
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private static final int EVENT_RESTORE_DEFAULTAPN_COMPLETE = 2;
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private static final int DIALOG_RESTORE_DEFAULTAPN = 1001;
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private static final Uri DEFAULTAPN_URI = Uri.parse(RESTORE_CARRIERS_URI);
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private static final Uri PREFERAPN_URI = Uri.parse(PREFERRED_APN_URI);
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private static boolean mRestoreDefaultApnMode;
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private RestoreApnUiHandler mRestoreApnUiHandler;
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private RestoreApnProcessHandler mRestoreApnProcessHandler;
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private HandlerThread mRestoreDefaultApnThread;
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private String mSelectedKey;
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private IntentFilter mMobileStateFilter;
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private final BroadcastReceiver mMobileStateReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (intent.getAction().equals(
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TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED)) {
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PhoneConstants.DataState state = getMobileDataState(intent);
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switch (state) {
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case CONNECTED:
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if (!mRestoreDefaultApnMode) {
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fillList();
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} else {
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showDialog(DIALOG_RESTORE_DEFAULTAPN);
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}
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break;
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}
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}
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}
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};
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private static PhoneConstants.DataState getMobileDataState(Intent intent) {
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String str = intent.getStringExtra(PhoneConstants.STATE_KEY);
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if (str != null) {
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return Enum.valueOf(PhoneConstants.DataState.class, str);
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} else {
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return PhoneConstants.DataState.DISCONNECTED;
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}
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}
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@Override
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protected void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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addPreferencesFromResource(R.xml.apn_settings);
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getListView().setItemsCanFocus(true);
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mMobileStateFilter = new IntentFilter(
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TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED);
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}
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@Override
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protected void onResume() {
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super.onResume();
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registerReceiver(mMobileStateReceiver, mMobileStateFilter);
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if (!mRestoreDefaultApnMode) {
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fillList();
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} else {
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showDialog(DIALOG_RESTORE_DEFAULTAPN);
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}
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}
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@Override
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protected void onPause() {
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super.onPause();
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unregisterReceiver(mMobileStateReceiver);
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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if (mRestoreDefaultApnThread != null) {
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mRestoreDefaultApnThread.quit();
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}
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}
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private void fillList() {
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String where = "numeric=\""
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+ android.os.SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC, "")
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+ "\"";
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Cursor cursor = getContentResolver().query(Telephony.Carriers.CONTENT_URI, new String[] {
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"_id", "name", "apn", "type"}, where, null,
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Telephony.Carriers.DEFAULT_SORT_ORDER);
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PreferenceGroup apnList = (PreferenceGroup) findPreference("apn_list");
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apnList.removeAll();
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ArrayList<Preference> mmsApnList = new ArrayList<Preference>();
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mSelectedKey = getSelectedApnKey();
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cursor.moveToFirst();
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while (!cursor.isAfterLast()) {
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String name = cursor.getString(NAME_INDEX);
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String apn = cursor.getString(APN_INDEX);
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String key = cursor.getString(ID_INDEX);
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String type = cursor.getString(TYPES_INDEX);
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ApnPreference pref = new ApnPreference(this);
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pref.setKey(key);
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pref.setTitle(name);
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pref.setSummary(apn);
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pref.setPersistent(false);
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pref.setOnPreferenceChangeListener(this);
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boolean selectable = ((type == null) || !type.equals("mms"));
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pref.setSelectable(selectable);
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if (selectable) {
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if ((mSelectedKey != null) && mSelectedKey.equals(key)) {
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pref.setChecked();
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}
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apnList.addPreference(pref);
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} else {
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mmsApnList.add(pref);
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}
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cursor.moveToNext();
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}
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cursor.close();
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for (Preference preference : mmsApnList) {
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apnList.addPreference(preference);
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}
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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super.onCreateOptionsMenu(menu);
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menu.add(0, MENU_NEW, 0,
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getResources().getString(R.string.menu_new))
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.setIcon(android.R.drawable.ic_menu_add);
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menu.add(0, MENU_RESTORE, 0,
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getResources().getString(R.string.menu_restore))
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.setIcon(android.R.drawable.ic_menu_upload);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case MENU_NEW:
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addNewApn();
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return true;
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case MENU_RESTORE:
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restoreDefaultApn();
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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private void addNewApn() {
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startActivity(new Intent(Intent.ACTION_INSERT, Telephony.Carriers.CONTENT_URI));
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}
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
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int pos = Integer.parseInt(preference.getKey());
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Uri url = ContentUris.withAppendedId(Telephony.Carriers.CONTENT_URI, pos);
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startActivity(new Intent(Intent.ACTION_EDIT, url));
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return true;
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}
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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Log.d(TAG, "onPreferenceChange(): Preference - " + preference
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+ ", newValue - " + newValue + ", newValue type - "
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+ newValue.getClass());
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if (newValue instanceof String) {
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setSelectedApnKey((String) newValue);
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}
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return true;
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}
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private void setSelectedApnKey(String key) {
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mSelectedKey = key;
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ContentResolver resolver = getContentResolver();
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ContentValues values = new ContentValues();
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values.put(APN_ID, mSelectedKey);
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resolver.update(PREFERAPN_URI, values, null, null);
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}
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private String getSelectedApnKey() {
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String key = null;
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Cursor cursor = getContentResolver().query(PREFERAPN_URI, new String[] {"_id"},
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null, null, Telephony.Carriers.DEFAULT_SORT_ORDER);
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if (cursor.getCount() > 0) {
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cursor.moveToFirst();
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key = cursor.getString(ID_INDEX);
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}
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cursor.close();
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return key;
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}
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private boolean restoreDefaultApn() {
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showDialog(DIALOG_RESTORE_DEFAULTAPN);
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mRestoreDefaultApnMode = true;
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if (mRestoreApnUiHandler == null) {
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mRestoreApnUiHandler = new RestoreApnUiHandler();
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}
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if (mRestoreApnProcessHandler == null ||
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mRestoreDefaultApnThread == null) {
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mRestoreDefaultApnThread = new HandlerThread(
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"Restore default APN Handler: Process Thread");
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mRestoreDefaultApnThread.start();
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mRestoreApnProcessHandler = new RestoreApnProcessHandler(
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mRestoreDefaultApnThread.getLooper(), mRestoreApnUiHandler);
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}
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mRestoreApnProcessHandler
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.sendEmptyMessage(EVENT_RESTORE_DEFAULTAPN_START);
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return true;
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}
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private class RestoreApnUiHandler extends Handler {
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case EVENT_RESTORE_DEFAULTAPN_COMPLETE:
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fillList();
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getPreferenceScreen().setEnabled(true);
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mRestoreDefaultApnMode = false;
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dismissDialog(DIALOG_RESTORE_DEFAULTAPN);
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Toast.makeText(
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ApnSettings.this,
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getResources().getString(
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R.string.restore_default_apn_completed),
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Toast.LENGTH_LONG).show();
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break;
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}
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}
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}
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private class RestoreApnProcessHandler extends Handler {
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private Handler mRestoreApnUiHandler;
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public RestoreApnProcessHandler(Looper looper, Handler restoreApnUiHandler) {
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super(looper);
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this.mRestoreApnUiHandler = restoreApnUiHandler;
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}
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case EVENT_RESTORE_DEFAULTAPN_START:
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ContentResolver resolver = getContentResolver();
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resolver.delete(DEFAULTAPN_URI, null, null);
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mRestoreApnUiHandler
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.sendEmptyMessage(EVENT_RESTORE_DEFAULTAPN_COMPLETE);
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break;
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}
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}
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}
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@Override
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protected Dialog onCreateDialog(int id) {
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if (id == DIALOG_RESTORE_DEFAULTAPN) {
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ProgressDialog dialog = new ProgressDialog(this);
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dialog.setMessage(getResources().getString(R.string.restore_default_apn));
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dialog.setCancelable(false);
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return dialog;
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}
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return null;
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}
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@Override
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protected void onPrepareDialog(int id, Dialog dialog) {
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if (id == DIALOG_RESTORE_DEFAULTAPN) {
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getPreferenceScreen().setEnabled(false);
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}
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}
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}
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