/* * 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.dialer.app.dialpad; import android.Manifest.permission; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.DialogFragment; import android.app.Fragment; import android.content.BroadcastReceiver; import android.content.ContentResolver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.PackageManager; import android.content.res.Resources; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.media.AudioManager; import android.media.ToneGenerator; import android.net.Uri; import android.os.Bundle; import android.os.Trace; import android.provider.Contacts.People; import android.provider.Contacts.Phones; import android.provider.Contacts.PhonesColumns; import android.provider.Settings; import android.support.annotation.VisibleForTesting; import android.support.design.widget.FloatingActionButton; import android.support.v4.content.ContextCompat; import android.telecom.PhoneAccount; import android.telecom.PhoneAccountHandle; import android.telephony.PhoneNumberFormattingTextWatcher; import android.telephony.PhoneNumberUtils; import android.telephony.TelephonyManager; import android.text.Editable; import android.text.TextUtils; import android.text.TextWatcher; import android.util.AttributeSet; import android.view.HapticFeedbackConstants; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.EditText; import android.widget.ImageView; import android.widget.ListView; import android.widget.PopupMenu; import android.widget.RelativeLayout; import android.widget.TextView; import com.android.contacts.common.dialog.CallSubjectDialog; import com.android.contacts.common.util.StopWatch; import com.android.contacts.common.widget.FloatingActionButtonController; import com.android.dialer.animation.AnimUtils; import com.android.dialer.app.DialtactsActivity; import com.android.dialer.app.R; import com.android.dialer.app.SpecialCharSequenceMgr; import com.android.dialer.app.calllog.CallLogAsync; import com.android.dialer.callintent.CallInitiationType; import com.android.dialer.callintent.CallIntentBuilder; import com.android.dialer.calllogutils.PhoneAccountUtils; import com.android.dialer.common.LogUtil; import com.android.dialer.dialpadview.DialpadKeyButton; import com.android.dialer.dialpadview.DialpadView; import com.android.dialer.location.GeoUtil; import com.android.dialer.logging.UiAction; import com.android.dialer.oem.MotorolaUtils; import com.android.dialer.performancereport.PerformanceReport; import com.android.dialer.proguard.UsedByReflection; import com.android.dialer.telecom.TelecomUtil; import com.android.dialer.util.CallUtil; import com.android.dialer.util.DialerUtils; import com.android.dialer.util.PermissionsUtil; import java.util.HashSet; import java.util.List; /** Fragment that displays a twelve-key phone dialpad. */ public class DialpadFragment extends Fragment implements View.OnClickListener, View.OnLongClickListener, View.OnKeyListener, AdapterView.OnItemClickListener, TextWatcher, PopupMenu.OnMenuItemClickListener, DialpadKeyButton.OnPressedListener { private static final String TAG = "DialpadFragment"; private static final boolean DEBUG = DialtactsActivity.DEBUG; private static final String EMPTY_NUMBER = ""; private static final char PAUSE = ','; private static final char WAIT = ';'; /** The length of DTMF tones in milliseconds */ private static final int TONE_LENGTH_MS = 150; private static final int TONE_LENGTH_INFINITE = -1; /** The DTMF tone volume relative to other sounds in the stream */ private static final int TONE_RELATIVE_VOLUME = 80; /** Stream type used to play the DTMF tones off call, and mapped to the volume control keys */ private static final int DIAL_TONE_STREAM_TYPE = AudioManager.STREAM_DTMF; /** Identifier for the "Add Call" intent extra. */ private static final String ADD_CALL_MODE_KEY = "add_call_mode"; /** * Identifier for intent extra for sending an empty Flash message for CDMA networks. This message * is used by the network to simulate a press/depress of the "hookswitch" of a landline phone. Aka * "empty flash". * *

TODO: Using an intent extra to tell the phone to send this flash is a temporary measure. To * be replaced with an Telephony/TelecomManager call in the future. TODO: Keep in sync with the * string defined in OutgoingCallBroadcaster.java in Phone app until this is replaced with the * Telephony/Telecom API. */ private static final String EXTRA_SEND_EMPTY_FLASH = "com.android.phone.extra.SEND_EMPTY_FLASH"; private static final String PREF_DIGITS_FILLED_BY_INTENT = "pref_digits_filled_by_intent"; private final Object mToneGeneratorLock = new Object(); /** Set of dialpad keys that are currently being pressed */ private final HashSet mPressedDialpadKeys = new HashSet(12); // Last number dialed, retrieved asynchronously from the call DB // in onCreate. This number is displayed when the user hits the // send key and cleared in onPause. private final CallLogAsync mCallLog = new CallLogAsync(); private OnDialpadQueryChangedListener mDialpadQueryListener; private DialpadView mDialpadView; private EditText mDigits; private int mDialpadSlideInDuration; /** Remembers if we need to clear digits field when the screen is completely gone. */ private boolean mClearDigitsOnStop; private View mOverflowMenuButton; private PopupMenu mOverflowPopupMenu; private View mDelete; private ToneGenerator mToneGenerator; private View mSpacer; private FloatingActionButtonController mFloatingActionButtonController; private ListView mDialpadChooser; private DialpadChooserAdapter mDialpadChooserAdapter; /** Regular expression prohibiting manual phone call. Can be empty, which means "no rule". */ private String mProhibitedPhoneNumberRegexp; private PseudoEmergencyAnimator mPseudoEmergencyAnimator; private String mLastNumberDialed = EMPTY_NUMBER; // determines if we want to playback local DTMF tones. private boolean mDTMFToneEnabled; private String mCurrentCountryIso; private CallStateReceiver mCallStateReceiver; private boolean mWasEmptyBeforeTextChange; /** * This field is set to true while processing an incoming DIAL intent, in order to make sure that * SpecialCharSequenceMgr actions can be triggered by user input but *not* by a tel: URI passed by * some other app. It will be set to false when all digits are cleared. */ private boolean mDigitsFilledByIntent; private boolean mStartedFromNewIntent = false; private boolean mFirstLaunch = false; private boolean mAnimate = false; /** * Determines whether an add call operation is requested. * * @param intent The intent. * @return {@literal true} if add call operation was requested. {@literal false} otherwise. */ public static boolean isAddCallMode(Intent intent) { if (intent == null) { return false; } final String action = intent.getAction(); if (Intent.ACTION_DIAL.equals(action) || Intent.ACTION_VIEW.equals(action)) { // see if we are "adding a call" from the InCallScreen; false by default. return intent.getBooleanExtra(ADD_CALL_MODE_KEY, false); } else { return false; } } /** * Format the provided string of digits into one that represents a properly formatted phone * number. * * @param dialString String of characters to format * @param normalizedNumber the E164 format number whose country code is used if the given * phoneNumber doesn't have the country code. * @param countryIso The country code representing the format to use if the provided normalized * number is null or invalid. * @return the provided string of digits as a formatted phone number, retaining any post-dial * portion of the string. */ @VisibleForTesting static String getFormattedDigits(String dialString, String normalizedNumber, String countryIso) { String number = PhoneNumberUtils.extractNetworkPortion(dialString); // Also retrieve the post dial portion of the provided data, so that the entire dial // string can be reconstituted later. final String postDial = PhoneNumberUtils.extractPostDialPortion(dialString); if (TextUtils.isEmpty(number)) { return postDial; } number = PhoneNumberUtils.formatNumber(number, normalizedNumber, countryIso); if (TextUtils.isEmpty(postDial)) { return number; } return number.concat(postDial); } /** * Returns true of the newDigit parameter can be added at the current selection point, otherwise * returns false. Only prevents input of WAIT and PAUSE digits at an unsupported position. Fails * early if start == -1 or start is larger than end. */ @VisibleForTesting /* package */ static boolean canAddDigit(CharSequence digits, int start, int end, char newDigit) { if (newDigit != WAIT && newDigit != PAUSE) { throw new IllegalArgumentException( "Should not be called for anything other than PAUSE & WAIT"); } // False if no selection, or selection is reversed (end < start) if (start == -1 || end < start) { return false; } // unsupported selection-out-of-bounds state if (start > digits.length() || end > digits.length()) { return false; } // Special digit cannot be the first digit if (start == 0) { return false; } if (newDigit == WAIT) { // preceding char is ';' (WAIT) if (digits.charAt(start - 1) == WAIT) { return false; } // next char is ';' (WAIT) if ((digits.length() > end) && (digits.charAt(end) == WAIT)) { return false; } } return true; } private TelephonyManager getTelephonyManager() { return (TelephonyManager) getActivity().getSystemService(Context.TELEPHONY_SERVICE); } @Override public Context getContext() { return getActivity(); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { mWasEmptyBeforeTextChange = TextUtils.isEmpty(s); } @Override public void onTextChanged(CharSequence input, int start, int before, int changeCount) { if (mWasEmptyBeforeTextChange != TextUtils.isEmpty(input)) { final Activity activity = getActivity(); if (activity != null) { activity.invalidateOptionsMenu(); updateMenuOverflowButton(mWasEmptyBeforeTextChange); } } // DTMF Tones do not need to be played here any longer - // the DTMF dialer handles that functionality now. } @Override public void afterTextChanged(Editable input) { // When DTMF dialpad buttons are being pressed, we delay SpecialCharSequenceMgr sequence, // since some of SpecialCharSequenceMgr's behavior is too abrupt for the "touch-down" // behavior. if (!mDigitsFilledByIntent && SpecialCharSequenceMgr.handleChars(getActivity(), input.toString(), mDigits)) { // A special sequence was entered, clear the digits mDigits.getText().clear(); } if (isDigitsEmpty()) { mDigitsFilledByIntent = false; mDigits.setCursorVisible(false); } if (mDialpadQueryListener != null) { mDialpadQueryListener.onDialpadQueryChanged(mDigits.getText().toString()); } updateDeleteButtonEnabledState(); } @Override public void onCreate(Bundle state) { Trace.beginSection(TAG + " onCreate"); super.onCreate(state); mFirstLaunch = state == null; mCurrentCountryIso = GeoUtil.getCurrentCountryIso(getActivity()); mProhibitedPhoneNumberRegexp = getResources().getString(R.string.config_prohibited_phone_number_regexp); if (state != null) { mDigitsFilledByIntent = state.getBoolean(PREF_DIGITS_FILLED_BY_INTENT); } mDialpadSlideInDuration = getResources().getInteger(R.integer.dialpad_slide_in_duration); if (mCallStateReceiver == null) { IntentFilter callStateIntentFilter = new IntentFilter(TelephonyManager.ACTION_PHONE_STATE_CHANGED); mCallStateReceiver = new CallStateReceiver(); getActivity().registerReceiver(mCallStateReceiver, callStateIntentFilter); } Trace.endSection(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedState) { Trace.beginSection(TAG + " onCreateView"); Trace.beginSection(TAG + " inflate view"); final View fragmentView = inflater.inflate(R.layout.dialpad_fragment, container, false); Trace.endSection(); Trace.beginSection(TAG + " buildLayer"); fragmentView.buildLayer(); Trace.endSection(); Trace.beginSection(TAG + " setup views"); mDialpadView = (DialpadView) fragmentView.findViewById(R.id.dialpad_view); mDialpadView.setCanDigitsBeEdited(true); mDigits = mDialpadView.getDigits(); mDigits.setKeyListener(UnicodeDialerKeyListener.INSTANCE); mDigits.setOnClickListener(this); mDigits.setOnKeyListener(this); mDigits.setOnLongClickListener(this); mDigits.addTextChangedListener(this); mDigits.setElegantTextHeight(false); PhoneNumberFormattingTextWatcher watcher = new PhoneNumberFormattingTextWatcher(GeoUtil.getCurrentCountryIso(getActivity())); mDigits.addTextChangedListener(watcher); // Check for the presence of the keypad View oneButton = fragmentView.findViewById(R.id.one); if (oneButton != null) { configureKeypadListeners(fragmentView); } mDelete = mDialpadView.getDeleteButton(); if (mDelete != null) { mDelete.setOnClickListener(this); mDelete.setOnLongClickListener(this); } mSpacer = fragmentView.findViewById(R.id.spacer); mSpacer.setOnTouchListener( new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (isDigitsEmpty()) { if (getActivity() != null) { return ((HostInterface) getActivity()).onDialpadSpacerTouchWithEmptyQuery(); } return true; } return false; } }); mDigits.setCursorVisible(false); // Set up the "dialpad chooser" UI; see showDialpadChooser(). mDialpadChooser = (ListView) fragmentView.findViewById(R.id.dialpadChooser); mDialpadChooser.setOnItemClickListener(this); FloatingActionButton floatingActionButton = (FloatingActionButton) fragmentView.findViewById(R.id.dialpad_floating_action_button); floatingActionButton.setOnClickListener(this); mFloatingActionButtonController = new FloatingActionButtonController(getActivity(), floatingActionButton); Trace.endSection(); Trace.endSection(); return fragmentView; } private boolean isLayoutReady() { return mDigits != null; } @VisibleForTesting public EditText getDigitsWidget() { return mDigits; } /** @return true when {@link #mDigits} is actually filled by the Intent. */ private boolean fillDigitsIfNecessary(Intent intent) { // Only fills digits from an intent if it is a new intent. // Otherwise falls back to the previously used number. if (!mFirstLaunch && !mStartedFromNewIntent) { return false; } final String action = intent.getAction(); if (Intent.ACTION_DIAL.equals(action) || Intent.ACTION_VIEW.equals(action)) { Uri uri = intent.getData(); if (uri != null) { if (PhoneAccount.SCHEME_TEL.equals(uri.getScheme())) { // Put the requested number into the input area String data = uri.getSchemeSpecificPart(); // Remember it is filled via Intent. mDigitsFilledByIntent = true; final String converted = PhoneNumberUtils.convertKeypadLettersToDigits( PhoneNumberUtils.replaceUnicodeDigits(data)); setFormattedDigits(converted, null); return true; } else { if (!PermissionsUtil.hasContactsReadPermissions(getActivity())) { return false; } String type = intent.getType(); if (People.CONTENT_ITEM_TYPE.equals(type) || Phones.CONTENT_ITEM_TYPE.equals(type)) { // Query the phone number Cursor c = getActivity() .getContentResolver() .query( intent.getData(), new String[] {PhonesColumns.NUMBER, PhonesColumns.NUMBER_KEY}, null, null, null); if (c != null) { try { if (c.moveToFirst()) { // Remember it is filled via Intent. mDigitsFilledByIntent = true; // Put the number into the input area setFormattedDigits(c.getString(0), c.getString(1)); return true; } } finally { c.close(); } } } } } } return false; } /** * Checks the given Intent and changes dialpad's UI state. For example, if the Intent requires the * screen to enter "Add Call" mode, this method will show correct UI for the mode. */ private void configureScreenFromIntent(Activity parent) { // If we were not invoked with a DIAL intent, if (!(parent instanceof DialtactsActivity)) { setStartedFromNewIntent(false); return; } // See if we were invoked with a DIAL intent. If we were, fill in the appropriate // digits in the dialer field. Intent intent = parent.getIntent(); if (!isLayoutReady()) { // This happens typically when parent's Activity#onNewIntent() is called while // Fragment#onCreateView() isn't called yet, and thus we cannot configure Views at // this point. onViewCreate() should call this method after preparing layouts, so // just ignore this call now. LogUtil.i( "DialpadFragment.configureScreenFromIntent", "Screen configuration is requested before onCreateView() is called. Ignored"); return; } boolean needToShowDialpadChooser = false; // Be sure *not* to show the dialpad chooser if this is an // explicit "Add call" action, though. final boolean isAddCallMode = isAddCallMode(intent); if (!isAddCallMode) { // Don't show the chooser when called via onNewIntent() and phone number is present. // i.e. User clicks a telephone link from gmail for example. // In this case, we want to show the dialpad with the phone number. final boolean digitsFilled = fillDigitsIfNecessary(intent); if (!(mStartedFromNewIntent && digitsFilled)) { final String action = intent.getAction(); if (Intent.ACTION_DIAL.equals(action) || Intent.ACTION_VIEW.equals(action) || Intent.ACTION_MAIN.equals(action)) { // If there's already an active call, bring up an intermediate UI to // make the user confirm what they really want to do. if (isPhoneInUse()) { needToShowDialpadChooser = true; } } } } showDialpadChooser(needToShowDialpadChooser); setStartedFromNewIntent(false); } public void setStartedFromNewIntent(boolean value) { mStartedFromNewIntent = value; } public void clearCallRateInformation() { setCallRateInformation(null, null); } public void setCallRateInformation(String countryName, String displayRate) { mDialpadView.setCallRateInformation(countryName, displayRate); } /** Sets formatted digits to digits field. */ private void setFormattedDigits(String data, String normalizedNumber) { final String formatted = getFormattedDigits(data, normalizedNumber, mCurrentCountryIso); if (!TextUtils.isEmpty(formatted)) { Editable digits = mDigits.getText(); digits.replace(0, digits.length(), formatted); // for some reason this isn't getting called in the digits.replace call above.. // but in any case, this will make sure the background drawable looks right afterTextChanged(digits); } } private void configureKeypadListeners(View fragmentView) { final int[] buttonIds = new int[] { R.id.one, R.id.two, R.id.three, R.id.four, R.id.five, R.id.six, R.id.seven, R.id.eight, R.id.nine, R.id.star, R.id.zero, R.id.pound }; DialpadKeyButton dialpadKey; for (int i = 0; i < buttonIds.length; i++) { dialpadKey = (DialpadKeyButton) fragmentView.findViewById(buttonIds[i]); dialpadKey.setOnPressedListener(this); } // Long-pressing one button will initiate Voicemail. final DialpadKeyButton one = (DialpadKeyButton) fragmentView.findViewById(R.id.one); one.setOnLongClickListener(this); // Long-pressing zero button will enter '+' instead. final DialpadKeyButton zero = (DialpadKeyButton) fragmentView.findViewById(R.id.zero); zero.setOnLongClickListener(this); } @Override public void onStart() { LogUtil.d("DialpadFragment.onStart", "first launch: %b", mFirstLaunch); Trace.beginSection(TAG + " onStart"); super.onStart(); // if the mToneGenerator creation fails, just continue without it. It is // a local audio signal, and is not as important as the dtmf tone itself. final long start = System.currentTimeMillis(); synchronized (mToneGeneratorLock) { if (mToneGenerator == null) { try { mToneGenerator = new ToneGenerator(DIAL_TONE_STREAM_TYPE, TONE_RELATIVE_VOLUME); } catch (RuntimeException e) { LogUtil.e( "DialpadFragment.onStart", "Exception caught while creating local tone generator: " + e); mToneGenerator = null; } } } final long total = System.currentTimeMillis() - start; if (total > 50) { LogUtil.i("DialpadFragment.onStart", "Time for ToneGenerator creation: " + total); } Trace.endSection(); } @Override public void onResume() { LogUtil.d("DialpadFragment.onResume", ""); Trace.beginSection(TAG + " onResume"); super.onResume(); Resources res = getResources(); int iconId = R.drawable.quantum_ic_call_vd_theme_24; if (MotorolaUtils.isWifiCallingAvailable(getContext())) { iconId = R.drawable.ic_wifi_calling; } mFloatingActionButtonController.changeIcon( res.getDrawable(iconId, null), res.getString(R.string.description_dial_button)); final DialtactsActivity activity = (DialtactsActivity) getActivity(); mDialpadQueryListener = activity; final StopWatch stopWatch = StopWatch.start("Dialpad.onResume"); // Query the last dialed number. Do it first because hitting // the DB is 'slow'. This call is asynchronous. queryLastOutgoingCall(); stopWatch.lap("qloc"); final ContentResolver contentResolver = activity.getContentResolver(); // retrieve the DTMF tone play back setting. mDTMFToneEnabled = Settings.System.getInt(contentResolver, Settings.System.DTMF_TONE_WHEN_DIALING, 1) == 1; stopWatch.lap("dtwd"); stopWatch.lap("hptc"); mPressedDialpadKeys.clear(); configureScreenFromIntent(getActivity()); stopWatch.lap("fdin"); if (!isPhoneInUse()) { // A sanity-check: the "dialpad chooser" UI should not be visible if the phone is idle. showDialpadChooser(false); } stopWatch.lap("hnt"); updateDeleteButtonEnabledState(); stopWatch.lap("bes"); stopWatch.stopAndLog(TAG, 50); // Populate the overflow menu in onResume instead of onCreate, so that if the SMS activity // is disabled while Dialer is paused, the "Send a text message" option can be correctly // removed when resumed. mOverflowMenuButton = mDialpadView.getOverflowMenuButton(); mOverflowPopupMenu = buildOptionsMenu(mOverflowMenuButton); mOverflowMenuButton.setOnTouchListener(mOverflowPopupMenu.getDragToOpenListener()); mOverflowMenuButton.setOnClickListener(this); mOverflowMenuButton.setVisibility(isDigitsEmpty() ? View.INVISIBLE : View.VISIBLE); if (mFirstLaunch) { // The onHiddenChanged callback does not get called the first time the fragment is // attached, so call it ourselves here. onHiddenChanged(false); } mFirstLaunch = false; Trace.endSection(); } @Override public void onPause() { super.onPause(); // Make sure we don't leave this activity with a tone still playing. stopTone(); mPressedDialpadKeys.clear(); // TODO: I wonder if we should not check if the AsyncTask that // lookup the last dialed number has completed. mLastNumberDialed = EMPTY_NUMBER; // Since we are going to query again, free stale number. SpecialCharSequenceMgr.cleanup(); } @Override public void onStop() { super.onStop(); synchronized (mToneGeneratorLock) { if (mToneGenerator != null) { mToneGenerator.release(); mToneGenerator = null; } } if (mClearDigitsOnStop) { mClearDigitsOnStop = false; clearDialpad(); } } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putBoolean(PREF_DIGITS_FILLED_BY_INTENT, mDigitsFilledByIntent); } @Override public void onDestroy() { super.onDestroy(); if (mPseudoEmergencyAnimator != null) { mPseudoEmergencyAnimator.destroy(); mPseudoEmergencyAnimator = null; } getActivity().unregisterReceiver(mCallStateReceiver); } private void keyPressed(int keyCode) { if (getView() == null || getView().getTranslationY() != 0) { return; } switch (keyCode) { case KeyEvent.KEYCODE_1: playTone(ToneGenerator.TONE_DTMF_1, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_2: playTone(ToneGenerator.TONE_DTMF_2, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_3: playTone(ToneGenerator.TONE_DTMF_3, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_4: playTone(ToneGenerator.TONE_DTMF_4, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_5: playTone(ToneGenerator.TONE_DTMF_5, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_6: playTone(ToneGenerator.TONE_DTMF_6, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_7: playTone(ToneGenerator.TONE_DTMF_7, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_8: playTone(ToneGenerator.TONE_DTMF_8, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_9: playTone(ToneGenerator.TONE_DTMF_9, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_0: playTone(ToneGenerator.TONE_DTMF_0, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_POUND: playTone(ToneGenerator.TONE_DTMF_P, TONE_LENGTH_INFINITE); break; case KeyEvent.KEYCODE_STAR: playTone(ToneGenerator.TONE_DTMF_S, TONE_LENGTH_INFINITE); break; default: break; } getView().performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); KeyEvent event = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode); mDigits.onKeyDown(keyCode, event); // If the cursor is at the end of the text we hide it. final int length = mDigits.length(); if (length == mDigits.getSelectionStart() && length == mDigits.getSelectionEnd()) { mDigits.setCursorVisible(false); } } @Override public boolean onKey(View view, int keyCode, KeyEvent event) { if (view.getId() == R.id.digits) { if (keyCode == KeyEvent.KEYCODE_ENTER) { handleDialButtonPressed(); return true; } } return false; } /** * When a key is pressed, we start playing DTMF tone, do vibration, and enter the digit * immediately. When a key is released, we stop the tone. Note that the "key press" event will be * delivered by the system with certain amount of delay, it won't be synced with user's actual * "touch-down" behavior. */ @Override public void onPressed(View view, boolean pressed) { if (DEBUG) { LogUtil.d("DialpadFragment.onPressed", "view: " + view + ", pressed: " + pressed); } if (pressed) { int resId = view.getId(); if (resId == R.id.one) { keyPressed(KeyEvent.KEYCODE_1); } else if (resId == R.id.two) { keyPressed(KeyEvent.KEYCODE_2); } else if (resId == R.id.three) { keyPressed(KeyEvent.KEYCODE_3); } else if (resId == R.id.four) { keyPressed(KeyEvent.KEYCODE_4); } else if (resId == R.id.five) { keyPressed(KeyEvent.KEYCODE_5); } else if (resId == R.id.six) { keyPressed(KeyEvent.KEYCODE_6); } else if (resId == R.id.seven) { keyPressed(KeyEvent.KEYCODE_7); } else if (resId == R.id.eight) { keyPressed(KeyEvent.KEYCODE_8); } else if (resId == R.id.nine) { keyPressed(KeyEvent.KEYCODE_9); } else if (resId == R.id.zero) { keyPressed(KeyEvent.KEYCODE_0); } else if (resId == R.id.pound) { keyPressed(KeyEvent.KEYCODE_POUND); } else if (resId == R.id.star) { keyPressed(KeyEvent.KEYCODE_STAR); } else { LogUtil.e( "DialpadFragment.onPressed", "Unexpected onTouch(ACTION_DOWN) event from: " + view); } mPressedDialpadKeys.add(view); } else { mPressedDialpadKeys.remove(view); if (mPressedDialpadKeys.isEmpty()) { stopTone(); } } } /** * Called by the containing Activity to tell this Fragment to build an overflow options menu for * display by the container when appropriate. * * @param invoker the View that invoked the options menu, to act as an anchor location. */ private PopupMenu buildOptionsMenu(View invoker) { final PopupMenu popupMenu = new PopupMenu(getActivity(), invoker) { @Override public void show() { final Menu menu = getMenu(); boolean enable = !isDigitsEmpty(); for (int i = 0; i < menu.size(); i++) { MenuItem item = menu.getItem(i); item.setEnabled(enable); if (item.getItemId() == R.id.menu_call_with_note) { item.setVisible(CallUtil.isCallWithSubjectSupported(getContext())); } } super.show(); } }; popupMenu.inflate(R.menu.dialpad_options); popupMenu.setOnMenuItemClickListener(this); return popupMenu; } @Override public void onClick(View view) { int resId = view.getId(); if (resId == R.id.dialpad_floating_action_button) { view.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); handleDialButtonPressed(); } else if (resId == R.id.deleteButton) { keyPressed(KeyEvent.KEYCODE_DEL); } else if (resId == R.id.digits) { if (!isDigitsEmpty()) { mDigits.setCursorVisible(true); } } else if (resId == R.id.dialpad_overflow) { mOverflowPopupMenu.show(); } else { LogUtil.w("DialpadFragment.onClick", "Unexpected event from: " + view); return; } } @Override public boolean onLongClick(View view) { final Editable digits = mDigits.getText(); final int id = view.getId(); if (id == R.id.deleteButton) { digits.clear(); return true; } else if (id == R.id.one) { if (isDigitsEmpty() || TextUtils.equals(mDigits.getText(), "1")) { // We'll try to initiate voicemail and thus we want to remove irrelevant string. removePreviousDigitIfPossible('1'); List subscriptionAccountHandles = PhoneAccountUtils.getSubscriptionPhoneAccounts(getActivity()); boolean hasUserSelectedDefault = subscriptionAccountHandles.contains( TelecomUtil.getDefaultOutgoingPhoneAccount( getActivity(), PhoneAccount.SCHEME_VOICEMAIL)); boolean needsAccountDisambiguation = subscriptionAccountHandles.size() > 1 && !hasUserSelectedDefault; if (needsAccountDisambiguation || isVoicemailAvailable()) { // On a multi-SIM phone, if the user has not selected a default // subscription, initiate a call to voicemail so they can select an account // from the "Call with" dialog. callVoicemail(); } else if (getActivity() != null) { // Voicemail is unavailable maybe because Airplane mode is turned on. // Check the current status and show the most appropriate error message. final boolean isAirplaneModeOn = Settings.System.getInt( getActivity().getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0) != 0; if (isAirplaneModeOn) { DialogFragment dialogFragment = ErrorDialogFragment.newInstance(R.string.dialog_voicemail_airplane_mode_message); dialogFragment.show(getFragmentManager(), "voicemail_request_during_airplane_mode"); } else { DialogFragment dialogFragment = ErrorDialogFragment.newInstance(R.string.dialog_voicemail_not_ready_message); dialogFragment.show(getFragmentManager(), "voicemail_not_ready"); } } return true; } return false; } else if (id == R.id.zero) { if (mPressedDialpadKeys.contains(view)) { // If the zero key is currently pressed, then the long press occurred by touch // (and not via other means like certain accessibility input methods). // Remove the '0' that was input when the key was first pressed. removePreviousDigitIfPossible('0'); } keyPressed(KeyEvent.KEYCODE_PLUS); stopTone(); mPressedDialpadKeys.remove(view); return true; } else if (id == R.id.digits) { mDigits.setCursorVisible(true); return false; } return false; } /** * Remove the digit just before the current position of the cursor, iff the following conditions * are true: 1) The cursor is not positioned at index 0. 2) The digit before the current cursor * position matches the current digit. * * @param digit to remove from the digits view. */ private void removePreviousDigitIfPossible(char digit) { final int currentPosition = mDigits.getSelectionStart(); if (currentPosition > 0 && digit == mDigits.getText().charAt(currentPosition - 1)) { mDigits.setSelection(currentPosition); mDigits.getText().delete(currentPosition - 1, currentPosition); } } public void callVoicemail() { DialerUtils.startActivityWithErrorToast( getActivity(), new CallIntentBuilder(CallUtil.getVoicemailUri(), CallInitiationType.Type.DIALPAD).build()); hideAndClearDialpad(false); } private void hideAndClearDialpad(boolean animate) { ((DialtactsActivity) getActivity()).hideDialpadFragment(animate, true); } /** * In most cases, when the dial button is pressed, there is a number in digits area. Pack it in * the intent, start the outgoing call broadcast as a separate task and finish this activity. * *

When there is no digit and the phone is CDMA and off hook, we're sending a blank flash for * CDMA. CDMA networks use Flash messages when special processing needs to be done, mainly for * 3-way or call waiting scenarios. Presumably, here we're in a special 3-way scenario where the * network needs a blank flash before being able to add the new participant. (This is not the case * with all 3-way calls, just certain CDMA infrastructures.) * *

Otherwise, there is no digit, display the last dialed number. Don't finish since the user * may want to edit it. The user needs to press the dial button again, to dial it (general case * described above). */ private void handleDialButtonPressed() { if (isDigitsEmpty()) { // No number entered. // No real call made, so treat it as a click PerformanceReport.recordClick(UiAction.Type.PRESS_CALL_BUTTON_WITHOUT_CALLING); handleDialButtonClickWithEmptyDigits(); } else { final String number = mDigits.getText().toString(); // "persist.radio.otaspdial" is a temporary hack needed for one carrier's automated // test equipment. // TODO: clean it up. if (number != null && !TextUtils.isEmpty(mProhibitedPhoneNumberRegexp) && number.matches(mProhibitedPhoneNumberRegexp)) { PerformanceReport.recordClick(UiAction.Type.PRESS_CALL_BUTTON_WITHOUT_CALLING); LogUtil.i( "DialpadFragment.handleDialButtonPressed", "The phone number is prohibited explicitly by a rule."); if (getActivity() != null) { DialogFragment dialogFragment = ErrorDialogFragment.newInstance(R.string.dialog_phone_call_prohibited_message); dialogFragment.show(getFragmentManager(), "phone_prohibited_dialog"); } // Clear the digits just in case. clearDialpad(); } else { final Intent intent = new CallIntentBuilder(number, CallInitiationType.Type.DIALPAD).build(); DialerUtils.startActivityWithErrorToast(getActivity(), intent); hideAndClearDialpad(false); } } } public void clearDialpad() { if (mDigits != null) { mDigits.getText().clear(); } } private void handleDialButtonClickWithEmptyDigits() { if (phoneIsCdma() && isPhoneInUse()) { // TODO: Move this logic into services/Telephony // // This is really CDMA specific. On GSM is it possible // to be off hook and wanted to add a 3rd party using // the redial feature. startActivity(newFlashIntent()); } else { if (!TextUtils.isEmpty(mLastNumberDialed)) { // Dialpad will be filled with last called number, // but we don't want to record it as user action PerformanceReport.setIgnoreActionOnce(UiAction.Type.TEXT_CHANGE_WITH_INPUT); // Recall the last number dialed. mDigits.setText(mLastNumberDialed); // ...and move the cursor to the end of the digits string, // so you'll be able to delete digits using the Delete // button (just as if you had typed the number manually.) // // Note we use mDigits.getText().length() here, not // mLastNumberDialed.length(), since the EditText widget now // contains a *formatted* version of mLastNumberDialed (due to // mTextWatcher) and its length may have changed. mDigits.setSelection(mDigits.getText().length()); } else { // There's no "last number dialed" or the // background query is still running. There's // nothing useful for the Dial button to do in // this case. Note: with a soft dial button, this // can never happens since the dial button is // disabled under these conditons. playTone(ToneGenerator.TONE_PROP_NACK); } } } /** Plays the specified tone for TONE_LENGTH_MS milliseconds. */ private void playTone(int tone) { playTone(tone, TONE_LENGTH_MS); } /** * Play the specified tone for the specified milliseconds * *

The tone is played locally, using the audio stream for phone calls. Tones are played only if * the "Audible touch tones" user preference is checked, and are NOT played if the device is in * silent mode. * *

The tone length can be -1, meaning "keep playing the tone." If the caller does so, it should * call stopTone() afterward. * * @param tone a tone code from {@link ToneGenerator} * @param durationMs tone length. */ private void playTone(int tone, int durationMs) { // if local tone playback is disabled, just return. if (!mDTMFToneEnabled) { return; } // Also do nothing if the phone is in silent mode. // We need to re-check the ringer mode for *every* playTone() // call, rather than keeping a local flag that's updated in // onResume(), since it's possible to toggle silent mode without // leaving the current activity (via the ENDCALL-longpress menu.) AudioManager audioManager = (AudioManager) getActivity().getSystemService(Context.AUDIO_SERVICE); int ringerMode = audioManager.getRingerMode(); if ((ringerMode == AudioManager.RINGER_MODE_SILENT) || (ringerMode == AudioManager.RINGER_MODE_VIBRATE)) { return; } synchronized (mToneGeneratorLock) { if (mToneGenerator == null) { LogUtil.w("DialpadFragment.playTone", "mToneGenerator == null, tone: " + tone); return; } // Start the new tone (will stop any playing tone) mToneGenerator.startTone(tone, durationMs); } } /** Stop the tone if it is played. */ private void stopTone() { // if local tone playback is disabled, just return. if (!mDTMFToneEnabled) { return; } synchronized (mToneGeneratorLock) { if (mToneGenerator == null) { LogUtil.w("DialpadFragment.stopTone", "mToneGenerator == null"); return; } mToneGenerator.stopTone(); } } /** * Brings up the "dialpad chooser" UI in place of the usual Dialer elements (the textfield/button * and the dialpad underneath). * *

We show this UI if the user brings up the Dialer while a call is already in progress, since * there's a good chance we got here accidentally (and the user really wanted the in-call dialpad * instead). So in this situation we display an intermediate UI that lets the user explicitly * choose between the in-call dialpad ("Use touch tone keypad") and the regular Dialer ("Add * call"). (Or, the option "Return to call in progress" just goes back to the in-call UI with no * dialpad at all.) * * @param enabled If true, show the "dialpad chooser" instead of the regular Dialer UI */ private void showDialpadChooser(boolean enabled) { if (getActivity() == null) { return; } // Check if onCreateView() is already called by checking one of View objects. if (!isLayoutReady()) { return; } if (enabled) { LogUtil.i("DialpadFragment.showDialpadChooser", "Showing dialpad chooser!"); if (mDialpadView != null) { mDialpadView.setVisibility(View.GONE); } if (mOverflowPopupMenu != null) { mOverflowPopupMenu.dismiss(); } mFloatingActionButtonController.setVisible(false); mDialpadChooser.setVisibility(View.VISIBLE); // Instantiate the DialpadChooserAdapter and hook it up to the // ListView. We do this only once. if (mDialpadChooserAdapter == null) { mDialpadChooserAdapter = new DialpadChooserAdapter(getActivity()); } mDialpadChooser.setAdapter(mDialpadChooserAdapter); } else { LogUtil.i("DialpadFragment.showDialpadChooser", "Displaying normal Dialer UI."); if (mDialpadView != null) { mDialpadView.setVisibility(View.VISIBLE); } else { mDigits.setVisibility(View.VISIBLE); } // mFloatingActionButtonController must also be 'scaled in', in order to be visible after // 'scaleOut()' hidden method. if (!mFloatingActionButtonController.isVisible()) { // Just call 'scaleIn()' method if the mFloatingActionButtonController was not already // previously visible. mFloatingActionButtonController.scaleIn(0); } mDialpadChooser.setVisibility(View.GONE); } } /** @return true if we're currently showing the "dialpad chooser" UI. */ private boolean isDialpadChooserVisible() { return mDialpadChooser.getVisibility() == View.VISIBLE; } /** Handle clicks from the dialpad chooser. */ @Override public void onItemClick(AdapterView parent, View v, int position, long id) { DialpadChooserAdapter.ChoiceItem item = (DialpadChooserAdapter.ChoiceItem) parent.getItemAtPosition(position); int itemId = item.id; if (itemId == DialpadChooserAdapter.DIALPAD_CHOICE_USE_DTMF_DIALPAD) { // Fire off an intent to go back to the in-call UI // with the dialpad visible. returnToInCallScreen(true); } else if (itemId == DialpadChooserAdapter.DIALPAD_CHOICE_RETURN_TO_CALL) { // Fire off an intent to go back to the in-call UI // (with the dialpad hidden). returnToInCallScreen(false); } else if (itemId == DialpadChooserAdapter.DIALPAD_CHOICE_ADD_NEW_CALL) { // Ok, guess the user really did want to be here (in the // regular Dialer) after all. Bring back the normal Dialer UI. showDialpadChooser(false); } else { LogUtil.w("DialpadFragment.onItemClick", "Unexpected itemId: " + itemId); } } /** * Returns to the in-call UI (where there's presumably a call in progress) in response to the user * selecting "use touch tone keypad" or "return to call" from the dialpad chooser. */ private void returnToInCallScreen(boolean showDialpad) { TelecomUtil.showInCallScreen(getActivity(), showDialpad); // Finally, finish() ourselves so that we don't stay on the // activity stack. // Note that we do this whether or not the showCallScreenWithDialpad() // call above had any effect or not! (That call is a no-op if the // phone is idle, which can happen if the current call ends while // the dialpad chooser is up. In this case we can't show the // InCallScreen, and there's no point staying here in the Dialer, // so we just take the user back where he came from...) getActivity().finish(); } /** * @return true if the phone is "in use", meaning that at least one line is active (ie. off hook * or ringing or dialing, or on hold). */ private boolean isPhoneInUse() { final Context context = getActivity(); if (context != null) { return TelecomUtil.isInCall(context); } return false; } /** @return true if the phone is a CDMA phone type */ private boolean phoneIsCdma() { return getTelephonyManager().getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA; } @Override public boolean onMenuItemClick(MenuItem item) { int resId = item.getItemId(); if (resId == R.id.menu_2s_pause) { updateDialString(PAUSE); return true; } else if (resId == R.id.menu_add_wait) { updateDialString(WAIT); return true; } else if (resId == R.id.menu_call_with_note) { CallSubjectDialog.start(getActivity(), mDigits.getText().toString()); hideAndClearDialpad(false); return true; } else { return false; } } /** * Updates the dial string (mDigits) after inserting a Pause character (,) or Wait character (;). */ private void updateDialString(char newDigit) { if (newDigit != WAIT && newDigit != PAUSE) { throw new IllegalArgumentException("Not expected for anything other than PAUSE & WAIT"); } int selectionStart; int selectionEnd; // SpannableStringBuilder editable_text = new SpannableStringBuilder(mDigits.getText()); int anchor = mDigits.getSelectionStart(); int point = mDigits.getSelectionEnd(); selectionStart = Math.min(anchor, point); selectionEnd = Math.max(anchor, point); if (selectionStart == -1) { selectionStart = selectionEnd = mDigits.length(); } Editable digits = mDigits.getText(); if (canAddDigit(digits, selectionStart, selectionEnd, newDigit)) { digits.replace(selectionStart, selectionEnd, Character.toString(newDigit)); if (selectionStart != selectionEnd) { // Unselect: back to a regular cursor, just pass the character inserted. mDigits.setSelection(selectionStart + 1); } } } /** Update the enabledness of the "Dial" and "Backspace" buttons if applicable. */ private void updateDeleteButtonEnabledState() { if (getActivity() == null) { return; } final boolean digitsNotEmpty = !isDigitsEmpty(); mDelete.setEnabled(digitsNotEmpty); } /** * Handle transitions for the menu button depending on the state of the digits edit text. * Transition out when going from digits to no digits and transition in when the first digit is * pressed. * * @param transitionIn True if transitioning in, False if transitioning out */ private void updateMenuOverflowButton(boolean transitionIn) { mOverflowMenuButton = mDialpadView.getOverflowMenuButton(); if (transitionIn) { AnimUtils.fadeIn(mOverflowMenuButton, AnimUtils.DEFAULT_DURATION); } else { AnimUtils.fadeOut(mOverflowMenuButton, AnimUtils.DEFAULT_DURATION); } } /** * Check if voicemail is enabled/accessible. * * @return true if voicemail is enabled and accessible. Note that this can be false "temporarily" * after the app boot. */ private boolean isVoicemailAvailable() { try { PhoneAccountHandle defaultUserSelectedAccount = TelecomUtil.getDefaultOutgoingPhoneAccount(getActivity(), PhoneAccount.SCHEME_VOICEMAIL); if (defaultUserSelectedAccount == null) { // In a single-SIM phone, there is no default outgoing phone account selected by // the user, so just call TelephonyManager#getVoicemailNumber directly. return !TextUtils.isEmpty(getTelephonyManager().getVoiceMailNumber()); } else { return !TextUtils.isEmpty( TelecomUtil.getVoicemailNumber(getActivity(), defaultUserSelectedAccount)); } } catch (SecurityException se) { // Possibly no READ_PHONE_STATE privilege. LogUtil.w( "DialpadFragment.isVoicemailAvailable", "SecurityException is thrown. Maybe privilege isn't sufficient."); } return false; } /** @return true if the widget with the phone number digits is empty. */ private boolean isDigitsEmpty() { return mDigits.length() == 0; } /** * Starts the asyn query to get the last dialed/outgoing number. When the background query * finishes, mLastNumberDialed is set to the last dialed number or an empty string if none exists * yet. */ private void queryLastOutgoingCall() { mLastNumberDialed = EMPTY_NUMBER; if (ContextCompat.checkSelfPermission(getActivity(), permission.READ_CALL_LOG) != PackageManager.PERMISSION_GRANTED) { return; } CallLogAsync.GetLastOutgoingCallArgs lastCallArgs = new CallLogAsync.GetLastOutgoingCallArgs( getActivity(), new CallLogAsync.OnLastOutgoingCallComplete() { @Override public void lastOutgoingCall(String number) { // TODO: Filter out emergency numbers if // the carrier does not want redial for // these. // If the fragment has already been detached since the last time // we called queryLastOutgoingCall in onResume there is no point // doing anything here. if (getActivity() == null) { return; } mLastNumberDialed = number; updateDeleteButtonEnabledState(); } }); mCallLog.getLastOutgoingCall(lastCallArgs); } private Intent newFlashIntent() { Intent intent = new CallIntentBuilder(EMPTY_NUMBER, CallInitiationType.Type.DIALPAD).build(); intent.putExtra(EXTRA_SEND_EMPTY_FLASH, true); return intent; } @Override public void onHiddenChanged(boolean hidden) { super.onHiddenChanged(hidden); final DialtactsActivity activity = (DialtactsActivity) getActivity(); if (activity == null || getView() == null) { return; } final DialpadView dialpadView = (DialpadView) getView().findViewById(R.id.dialpad_view); if (!hidden && !isDialpadChooserVisible()) { if (mAnimate) { dialpadView.animateShow(); } mFloatingActionButtonController.setVisible(false); mFloatingActionButtonController.scaleIn(mAnimate ? mDialpadSlideInDuration : 0); activity.onDialpadShown(); mDigits.requestFocus(); } if (hidden) { if (mAnimate) { mFloatingActionButtonController.scaleOut(); } else { mFloatingActionButtonController.setVisible(false); } } } public boolean getAnimate() { return mAnimate; } public void setAnimate(boolean value) { mAnimate = value; } public void setYFraction(float yFraction) { ((DialpadSlidingRelativeLayout) getView()).setYFraction(yFraction); } public int getDialpadHeight() { if (mDialpadView == null) { return 0; } return mDialpadView.getHeight(); } public void process_quote_emergency_unquote(String query) { if (PseudoEmergencyAnimator.PSEUDO_EMERGENCY_NUMBER.equals(query)) { if (mPseudoEmergencyAnimator == null) { mPseudoEmergencyAnimator = new PseudoEmergencyAnimator( new PseudoEmergencyAnimator.ViewProvider() { @Override public View getView() { return DialpadFragment.this.getView(); } }); } mPseudoEmergencyAnimator.start(); } else { if (mPseudoEmergencyAnimator != null) { mPseudoEmergencyAnimator.end(); } } } public interface OnDialpadQueryChangedListener { void onDialpadQueryChanged(String query); } public interface HostInterface { /** * Notifies the parent activity that the space above the dialpad has been tapped with no query * in the dialpad present. In most situations this will cause the dialpad to be dismissed, * unless there happens to be content showing. */ boolean onDialpadSpacerTouchWithEmptyQuery(); } /** * LinearLayout with getter and setter methods for the translationY property using floats, for * animation purposes. */ public static class DialpadSlidingRelativeLayout extends RelativeLayout { public DialpadSlidingRelativeLayout(Context context) { super(context); } public DialpadSlidingRelativeLayout(Context context, AttributeSet attrs) { super(context, attrs); } public DialpadSlidingRelativeLayout(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } @UsedByReflection(value = "dialpad_fragment.xml") public float getYFraction() { final int height = getHeight(); if (height == 0) { return 0; } return getTranslationY() / height; } @UsedByReflection(value = "dialpad_fragment.xml") public void setYFraction(float yFraction) { setTranslationY(yFraction * getHeight()); } } public static class ErrorDialogFragment extends DialogFragment { private static final String ARG_TITLE_RES_ID = "argTitleResId"; private static final String ARG_MESSAGE_RES_ID = "argMessageResId"; private int mTitleResId; private int mMessageResId; public static ErrorDialogFragment newInstance(int messageResId) { return newInstance(0, messageResId); } public static ErrorDialogFragment newInstance(int titleResId, int messageResId) { final ErrorDialogFragment fragment = new ErrorDialogFragment(); final Bundle args = new Bundle(); args.putInt(ARG_TITLE_RES_ID, titleResId); args.putInt(ARG_MESSAGE_RES_ID, messageResId); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mTitleResId = getArguments().getInt(ARG_TITLE_RES_ID); mMessageResId = getArguments().getInt(ARG_MESSAGE_RES_ID); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); if (mTitleResId != 0) { builder.setTitle(mTitleResId); } if (mMessageResId != 0) { builder.setMessage(mMessageResId); } builder.setPositiveButton( android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dismiss(); } }); return builder.create(); } } /** * Simple list adapter, binding to an icon + text label for each item in the "dialpad chooser" * list. */ private static class DialpadChooserAdapter extends BaseAdapter { // IDs for the possible "choices": static final int DIALPAD_CHOICE_USE_DTMF_DIALPAD = 101; static final int DIALPAD_CHOICE_RETURN_TO_CALL = 102; static final int DIALPAD_CHOICE_ADD_NEW_CALL = 103; private static final int NUM_ITEMS = 3; private LayoutInflater mInflater; private ChoiceItem[] mChoiceItems = new ChoiceItem[NUM_ITEMS]; public DialpadChooserAdapter(Context context) { // Cache the LayoutInflate to avoid asking for a new one each time. mInflater = LayoutInflater.from(context); // Initialize the possible choices. // TODO: could this be specified entirely in XML? // - "Use touch tone keypad" mChoiceItems[0] = new ChoiceItem( context.getString(R.string.dialer_useDtmfDialpad), BitmapFactory.decodeResource( context.getResources(), R.drawable.ic_dialer_fork_tt_keypad), DIALPAD_CHOICE_USE_DTMF_DIALPAD); // - "Return to call in progress" mChoiceItems[1] = new ChoiceItem( context.getString(R.string.dialer_returnToInCallScreen), BitmapFactory.decodeResource( context.getResources(), R.drawable.ic_dialer_fork_current_call), DIALPAD_CHOICE_RETURN_TO_CALL); // - "Add call" mChoiceItems[2] = new ChoiceItem( context.getString(R.string.dialer_addAnotherCall), BitmapFactory.decodeResource( context.getResources(), R.drawable.ic_dialer_fork_add_call), DIALPAD_CHOICE_ADD_NEW_CALL); } @Override public int getCount() { return NUM_ITEMS; } /** Return the ChoiceItem for a given position. */ @Override public Object getItem(int position) { return mChoiceItems[position]; } /** Return a unique ID for each possible choice. */ @Override public long getItemId(int position) { return position; } /** Make a view for each row. */ @Override public View getView(int position, View convertView, ViewGroup parent) { // When convertView is non-null, we can reuse it (there's no need // to reinflate it.) if (convertView == null) { convertView = mInflater.inflate(R.layout.dialpad_chooser_list_item, null); } TextView text = (TextView) convertView.findViewById(R.id.text); text.setText(mChoiceItems[position].text); ImageView icon = (ImageView) convertView.findViewById(R.id.icon); icon.setImageBitmap(mChoiceItems[position].icon); return convertView; } // Simple struct for a single "choice" item. static class ChoiceItem { String text; Bitmap icon; int id; public ChoiceItem(String s, Bitmap b, int i) { text = s; icon = b; id = i; } } } private class CallStateReceiver extends BroadcastReceiver { /** * Receive call state changes so that we can take down the "dialpad chooser" if the phone * becomes idle while the chooser UI is visible. */ @Override public void onReceive(Context context, Intent intent) { String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE); if ((TextUtils.equals(state, TelephonyManager.EXTRA_STATE_IDLE) || TextUtils.equals(state, TelephonyManager.EXTRA_STATE_OFFHOOK)) && isDialpadChooserVisible()) { // Note there's a race condition in the UI here: the // dialpad chooser could conceivably disappear (on its // own) at the exact moment the user was trying to select // one of the choices, which would be confusing. (But at // least that's better than leaving the dialpad chooser // onscreen, but useless...) showDialpadChooser(false); } } } }