/*
* Copyright (C) 2006 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;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.SystemProperties;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.provider.Telephony;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import com.android.internal.telephony.TelephonyProperties;
public class ApnEditor extends PreferenceActivity
implements SharedPreferences.OnSharedPreferenceChangeListener,
Preference.OnPreferenceChangeListener {
private final static String TAG = ApnEditor.class.getSimpleName();
private final static String SAVED_POS = "pos";
private final static String KEY_AUTH_TYPE = "auth_type";
private static final int MENU_DELETE = Menu.FIRST;
private static final int MENU_SAVE = Menu.FIRST + 1;
private static final int MENU_CANCEL = Menu.FIRST + 2;
private static final int ERROR_DIALOG_ID = 0;
private static String sNotSet;
private EditTextPreference mName;
private EditTextPreference mApn;
private EditTextPreference mProxy;
private EditTextPreference mPort;
private EditTextPreference mUser;
private EditTextPreference mServer;
private EditTextPreference mPassword;
private EditTextPreference mMmsc;
private EditTextPreference mMcc;
private EditTextPreference mMnc;
private EditTextPreference mMmsProxy;
private EditTextPreference mMmsPort;
private ListPreference mAuthType;
private EditTextPreference mApnType;
private String mCurMnc;
private String mCurMcc;
private Uri mUri;
private Cursor mCursor;
private boolean mNewApn;
private boolean mFirstTime;
private Resources mRes;
/**
* Standard projection for the interesting columns of a normal note.
*/
private static final String[] sProjection = new String[] {
Telephony.Carriers._ID, // 0
Telephony.Carriers.NAME, // 1
Telephony.Carriers.APN, // 2
Telephony.Carriers.PROXY, // 3
Telephony.Carriers.PORT, // 4
Telephony.Carriers.USER, // 5
Telephony.Carriers.SERVER, // 6
Telephony.Carriers.PASSWORD, // 7
Telephony.Carriers.MMSC, // 8
Telephony.Carriers.MCC, // 9
Telephony.Carriers.MNC, // 10
Telephony.Carriers.NUMERIC, // 11
Telephony.Carriers.MMSPROXY,// 12
Telephony.Carriers.MMSPORT, // 13
Telephony.Carriers.AUTH_TYPE, // 14
Telephony.Carriers.TYPE, // 15
};
private static final int ID_INDEX = 0;
private static final int NAME_INDEX = 1;
private static final int APN_INDEX = 2;
private static final int PROXY_INDEX = 3;
private static final int PORT_INDEX = 4;
private static final int USER_INDEX = 5;
private static final int SERVER_INDEX = 6;
private static final int PASSWORD_INDEX = 7;
private static final int MMSC_INDEX = 8;
private static final int MCC_INDEX = 9;
private static final int MNC_INDEX = 10;
private static final int MMSPROXY_INDEX = 12;
private static final int MMSPORT_INDEX = 13;
private static final int AUTH_TYPE_INDEX = 14;
private static final int TYPE_INDEX = 15;
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.apn_editor);
sNotSet = getResources().getString(R.string.apn_not_set);
mName = (EditTextPreference) findPreference("apn_name");
mApn = (EditTextPreference) findPreference("apn_apn");
mProxy = (EditTextPreference) findPreference("apn_http_proxy");
mPort = (EditTextPreference) findPreference("apn_http_port");
mUser = (EditTextPreference) findPreference("apn_user");
mServer = (EditTextPreference) findPreference("apn_server");
mPassword = (EditTextPreference) findPreference("apn_password");
mMmsProxy = (EditTextPreference) findPreference("apn_mms_proxy");
mMmsPort = (EditTextPreference) findPreference("apn_mms_port");
mMmsc = (EditTextPreference) findPreference("apn_mmsc");
mMcc = (EditTextPreference) findPreference("apn_mcc");
mMnc = (EditTextPreference) findPreference("apn_mnc");
mApnType = (EditTextPreference) findPreference("apn_type");
mAuthType = (ListPreference) findPreference("auth_type");
mAuthType.setOnPreferenceChangeListener(this);
mRes = getResources();
final Intent intent = getIntent();
final String action = intent.getAction();
mFirstTime = icicle == null;
if (action.equals(Intent.ACTION_EDIT)) {
mUri = intent.getData();
} else if (action.equals(Intent.ACTION_INSERT)) {
if (mFirstTime || icicle.getInt(SAVED_POS) == 0) {
mUri = getContentResolver().insert(intent.getData(), new ContentValues());
} else {
mUri = ContentUris.withAppendedId(Telephony.Carriers.CONTENT_URI,
icicle.getInt(SAVED_POS));
}
mNewApn = true;
// If we were unable to create a new note, then just finish
// this activity. A RESULT_CANCELED will be sent back to the
// original activity if they requested a result.
if (mUri == null) {
Log.w(TAG, "Failed to insert new telephony provider into "
+ getIntent().getData());
finish();
return;
}
// The new entry was created, so assume all will end well and
// set the result to be returned.
setResult(RESULT_OK, (new Intent()).setAction(mUri.toString()));
} else {
finish();
return;
}
mCursor = managedQuery(mUri, sProjection, null, null);
mCursor.moveToFirst();
fillUi();
}
@Override
public void onResume() {
super.onResume();
getPreferenceScreen().getSharedPreferences()
.registerOnSharedPreferenceChangeListener(this);
}
@Override
public void onPause() {
getPreferenceScreen().getSharedPreferences()
.unregisterOnSharedPreferenceChangeListener(this);
super.onPause();
}
private void fillUi() {
if (mFirstTime) {
mFirstTime = false;
// Fill in all the values from the db in both text editor and summary
mName.setText(mCursor.getString(NAME_INDEX));
mApn.setText(mCursor.getString(APN_INDEX));
mProxy.setText(mCursor.getString(PROXY_INDEX));
mPort.setText(mCursor.getString(PORT_INDEX));
mUser.setText(mCursor.getString(USER_INDEX));
mServer.setText(mCursor.getString(SERVER_INDEX));
mPassword.setText(mCursor.getString(PASSWORD_INDEX));
mMmsProxy.setText(mCursor.getString(MMSPROXY_INDEX));
mMmsPort.setText(mCursor.getString(MMSPORT_INDEX));
mMmsc.setText(mCursor.getString(MMSC_INDEX));
mMcc.setText(mCursor.getString(MCC_INDEX));
mMnc.setText(mCursor.getString(MNC_INDEX));
mApnType.setText(mCursor.getString(TYPE_INDEX));
if (mNewApn) {
String numeric =
SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC);
// MCC is first 3 chars and then in 2 - 3 chars of MNC
if (numeric != null && numeric.length() > 4) {
// Country code
String mcc = numeric.substring(0, 3);
// Network code
String mnc = numeric.substring(3);
// Auto populate MNC and MCC for new entries, based on what SIM reports
mMcc.setText(mcc);
mMnc.setText(mnc);
mCurMnc = mnc;
mCurMcc = mcc;
}
}
int authVal = mCursor.getInt(AUTH_TYPE_INDEX);
if (authVal != -1) {
mAuthType.setValueIndex(authVal);
} else {
mAuthType.setValue(null);
}
}
mName.setSummary(checkNull(mName.getText()));
mApn.setSummary(checkNull(mApn.getText()));
mProxy.setSummary(checkNull(mProxy.getText()));
mPort.setSummary(checkNull(mPort.getText()));
mUser.setSummary(checkNull(mUser.getText()));
mServer.setSummary(checkNull(mServer.getText()));
mPassword.setSummary(starify(mPassword.getText()));
mMmsProxy.setSummary(checkNull(mMmsProxy.getText()));
mMmsPort.setSummary(checkNull(mMmsPort.getText()));
mMmsc.setSummary(checkNull(mMmsc.getText()));
mMcc.setSummary(checkNull(mMcc.getText()));
mMnc.setSummary(checkNull(mMnc.getText()));
mApnType.setSummary(checkNull(mApnType.getText()));
String authVal = mAuthType.getValue();
if (authVal != null) {
int authValIndex = Integer.parseInt(authVal);
mAuthType.setValueIndex(authValIndex);
String []values = mRes.getStringArray(R.array.apn_auth_entries);
mAuthType.setSummary(values[authValIndex]);
} else {
mAuthType.setSummary(sNotSet);
}
}
public boolean onPreferenceChange(Preference preference, Object newValue) {
String key = preference.getKey();
if (KEY_AUTH_TYPE.equals(key)) {
try {
int index = Integer.parseInt((String) newValue);
mAuthType.setValueIndex(index);
String []values = mRes.getStringArray(R.array.apn_auth_entries);
mAuthType.setSummary(values[index]);
} catch (NumberFormatException e) {
return false;
}
}
return true;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
// If it's a new APN, then cancel will delete the new entry in onPause
if (!mNewApn) {
menu.add(0, MENU_DELETE, 0, R.string.menu_delete)
.setIcon(android.R.drawable.ic_menu_delete);
}
menu.add(0, MENU_SAVE, 0, R.string.menu_save)
.setIcon(android.R.drawable.ic_menu_save);
menu.add(0, MENU_CANCEL, 0, R.string.menu_cancel)
.setIcon(android.R.drawable.ic_menu_close_clear_cancel);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_DELETE:
deleteApn();
return true;
case MENU_SAVE:
if (validateAndSave(false)) {
finish();
}
return true;
case MENU_CANCEL:
if (mNewApn) {
getContentResolver().delete(mUri, null, null);
}
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_BACK: {
if (validateAndSave(false)) {
finish();
}
return true;
}
}
return super.onKeyDown(keyCode, event);
}
@Override
protected void onSaveInstanceState(Bundle icicle) {
super.onSaveInstanceState(icicle);
if (validateAndSave(true)) {
icicle.putInt(SAVED_POS, mCursor.getInt(ID_INDEX));
}
}
/**
* Check the key fields' validity and save if valid.
* @param force save even if the fields are not valid, if the app is
* being suspended
* @return true if the data was saved
*/
private boolean validateAndSave(boolean force) {
String name = checkNotSet(mName.getText());
String apn = checkNotSet(mApn.getText());
String mcc = checkNotSet(mMcc.getText());
String mnc = checkNotSet(mMnc.getText());
if (getErrorMsg() != null && !force) {
showDialog(ERROR_DIALOG_ID);
return false;
}
if (!mCursor.moveToFirst()) {
Log.w(TAG,
"Could not go to the first row in the Cursor when saving data.");
return false;
}
// If it's a new APN and a name or apn haven't been entered, then erase the entry
if (force && mNewApn && name.length() < 1 && apn.length() < 1) {
getContentResolver().delete(mUri, null, null);
return false;
}
ContentValues values = new ContentValues();
// Add a dummy name "Untitled", if the user exits the screen without adding a name but
// entered other information worth keeping.
values.put(Telephony.Carriers.NAME,
name.length() < 1 ? getResources().getString(R.string.untitled_apn) : name);
values.put(Telephony.Carriers.APN, apn);
values.put(Telephony.Carriers.PROXY, checkNotSet(mProxy.getText()));
values.put(Telephony.Carriers.PORT, checkNotSet(mPort.getText()));
values.put(Telephony.Carriers.MMSPROXY, checkNotSet(mMmsProxy.getText()));
values.put(Telephony.Carriers.MMSPORT, checkNotSet(mMmsPort.getText()));
values.put(Telephony.Carriers.USER, checkNotSet(mUser.getText()));
values.put(Telephony.Carriers.SERVER, checkNotSet(mServer.getText()));
values.put(Telephony.Carriers.PASSWORD, checkNotSet(mPassword.getText()));
values.put(Telephony.Carriers.MMSC, checkNotSet(mMmsc.getText()));
String authVal = mAuthType.getValue();
if (authVal != null) {
values.put(Telephony.Carriers.AUTH_TYPE, Integer.parseInt(authVal));
}
values.put(Telephony.Carriers.TYPE, checkNotSet(mApnType.getText()));
values.put(Telephony.Carriers.MCC, mcc);
values.put(Telephony.Carriers.MNC, mnc);
values.put(Telephony.Carriers.NUMERIC, mcc + mnc);
if (mCurMnc != null && mCurMcc != null) {
if (mCurMnc.equals(mnc) && mCurMcc.equals(mcc)) {
values.put(Telephony.Carriers.CURRENT, 1);
}
}
getContentResolver().update(mUri, values, null, null);
return true;
}
private String getErrorMsg() {
String errorMsg = null;
String name = checkNotSet(mName.getText());
String apn = checkNotSet(mApn.getText());
String mcc = checkNotSet(mMcc.getText());
String mnc = checkNotSet(mMnc.getText());
if (name.length() < 1) {
errorMsg = mRes.getString(R.string.error_name_empty);
} else if (apn.length() < 1) {
errorMsg = mRes.getString(R.string.error_apn_empty);
} else if (mcc.length() != 3) {
errorMsg = mRes.getString(R.string.error_mcc_not3);
} else if ((mnc.length() & 0xFFFE) != 2) {
errorMsg = mRes.getString(R.string.error_mnc_not23);
}
return errorMsg;
}
@Override
protected Dialog onCreateDialog(int id) {
if (id == ERROR_DIALOG_ID) {
String msg = getErrorMsg();
return new AlertDialog.Builder(this)
.setTitle(R.string.error_title)
.setPositiveButton(android.R.string.ok, null)
.setMessage(msg)
.create();
}
return super.onCreateDialog(id);
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
super.onPrepareDialog(id, dialog);
if (id == ERROR_DIALOG_ID) {
String msg = getErrorMsg();
if (msg != null) {
((AlertDialog)dialog).setMessage(msg);
}
}
}
private void deleteApn() {
getContentResolver().delete(mUri, null, null);
finish();
}
private String starify(String value) {
if (value == null || value.length() == 0) {
return sNotSet;
} else {
char[] password = new char[value.length()];
for (int i = 0; i < password.length; i++) {
password[i] = '*';
}
return new String(password);
}
}
private String checkNull(String value) {
if (value == null || value.length() == 0) {
return sNotSet;
} else {
return value;
}
}
private String checkNotSet(String value) {
if (value == null || value.equals(sNotSet)) {
return "";
} else {
return value;
}
}
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
Preference pref = findPreference(key);
if (pref != null) {
if (pref.equals(mPassword)){
pref.setSummary(starify(sharedPreferences.getString(key, "")));
} else {
pref.setSummary(checkNull(sharedPreferences.getString(key, "")));
}
}
}
}