| Fields Summary |
|---|
| public static final String | ACTION_DIAL |
| private static final boolean | DBG |
| private static final String | LOG_TAG |
| private static final int | STOP_TONE |
| private static final int | TONE_LENGTH_MSThe length of DTMF tones in milliseconds |
| private static final int | TONE_RELATIVE_VOLUMEThe DTMF tone volume relative to other sounds in the stream |
| android.widget.EditText | mDigits |
| private android.view.View | mDelete |
| private android.media.ToneGenerator | mToneGenerator |
| private Object | mToneGeneratorLock |
| private android.graphics.drawable.Drawable | mDigitsBackground |
| private android.graphics.drawable.Drawable | mDigitsEmptyBackground |
| private android.graphics.drawable.Drawable | mDeleteBackground |
| private android.graphics.drawable.Drawable | mDeleteEmptyBackground |
| private boolean | mDTMFToneEnabled |
| private android.content.BroadcastReceiver | mBroadcastReceiver |
| android.os.Handler | mToneStopper |
| Methods Summary |
|---|
| public void | afterTextChanged(android.text.Editable input)
if (SpecialCharSequenceMgr.handleChars(this, input.toString(), this)) {
// A special sequence was entered, clear the digits
mDigits.getText().delete(0, mDigits.getText().length());
}
// Set the proper background for the dial input area
if (mDigits.length() != 0) {
mDelete.setBackgroundDrawable(mDeleteBackground);
mDigits.setBackgroundDrawable(mDigitsBackground);
mDigits.setCompoundDrawablesWithIntrinsicBounds(
getResources().getDrawable(R.drawable.ic_dial_number), null, null, null);
} else {
mDelete.setBackgroundDrawable(mDeleteEmptyBackground);
mDigits.setBackgroundDrawable(mDigitsEmptyBackground);
mDigits.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
}
|
| public void | beforeTextChanged(java.lang.CharSequence s, int start, int count, int after)
// Do nothing
|
| private void | displayErrorBadNumber(java.lang.String number)display the alert dialog
// construct error string
CharSequence errMsg;
if (!TextUtils.isEmpty(number)) {
errMsg = getString(R.string.dial_emergency_error, number);
} else {
errMsg = getText (R.string.dial_emergency_empty_error);
}
// construct dialog
AlertDialog.Builder b = new AlertDialog.Builder(this);
b.setTitle(getText(R.string.emergency_enable_radio_dialog_title));
b.setMessage(errMsg);
b.setPositiveButton(R.string.ok, null);
b.setCancelable(true);
// show the dialog
AlertDialog dialog = b.create();
dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
dialog.show();
|
| private void | keyPressed(int keyCode)
KeyEvent event = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode);
mDigits.onKeyDown(keyCode, event);
|
| protected void | maybeAddNumberFormatting()Explicitly turn off number formatting, since it gets in the way of the emergency
number detector
// Do nothing.
|
| public void | onClick(android.view.View view)
final Editable digits = mDigits.getText();
switch (view.getId()) {
case R.id.one: {
playTone(ToneGenerator.TONE_DTMF_1);
keyPressed(KeyEvent.KEYCODE_1);
return;
}
case R.id.two: {
playTone(ToneGenerator.TONE_DTMF_2);
keyPressed(KeyEvent.KEYCODE_2);
return;
}
case R.id.three: {
playTone(ToneGenerator.TONE_DTMF_3);
keyPressed(KeyEvent.KEYCODE_3);
return;
}
case R.id.four: {
playTone(ToneGenerator.TONE_DTMF_4);
keyPressed(KeyEvent.KEYCODE_4);
return;
}
case R.id.five: {
playTone(ToneGenerator.TONE_DTMF_5);
keyPressed(KeyEvent.KEYCODE_5);
return;
}
case R.id.six: {
playTone(ToneGenerator.TONE_DTMF_6);
keyPressed(KeyEvent.KEYCODE_6);
return;
}
case R.id.seven: {
playTone(ToneGenerator.TONE_DTMF_7);
keyPressed(KeyEvent.KEYCODE_7);
return;
}
case R.id.eight: {
playTone(ToneGenerator.TONE_DTMF_8);
keyPressed(KeyEvent.KEYCODE_8);
return;
}
case R.id.nine: {
playTone(ToneGenerator.TONE_DTMF_9);
keyPressed(KeyEvent.KEYCODE_9);
return;
}
case R.id.zero: {
playTone(ToneGenerator.TONE_DTMF_0);
keyPressed(KeyEvent.KEYCODE_0);
return;
}
case R.id.pound: {
playTone(ToneGenerator.TONE_DTMF_P);
keyPressed(KeyEvent.KEYCODE_POUND);
return;
}
case R.id.star: {
playTone(ToneGenerator.TONE_DTMF_S);
keyPressed(KeyEvent.KEYCODE_STAR);
return;
}
case R.id.digits: {
placeCall();
return;
}
case R.id.backspace: {
keyPressed(KeyEvent.KEYCODE_DEL);
return;
}
}
|
| protected void | onCreate(android.os.Bundle icicle)
super.onCreate(icicle);
// Set the content view
setContentView(R.layout.emergency_dialer);
// Load up the resources for the text field and delete button
Resources r = getResources();
mDigitsBackground = r.getDrawable(R.drawable.btn_dial_textfield_active);
mDigitsEmptyBackground = r.getDrawable(R.drawable.btn_dial_textfield);
mDeleteBackground = r.getDrawable(R.drawable.btn_dial_delete_active);
mDeleteEmptyBackground = r.getDrawable(R.drawable.btn_dial_delete);
mDigits = (EditText) findViewById(R.id.digits);
mDigits.setKeyListener(DialerKeyListener.getInstance());
mDigits.setOnClickListener(this);
mDigits.setOnKeyListener(this);
mDigits.setLongClickable(false);
maybeAddNumberFormatting();
// Check for the presence of the keypad
View view = findViewById(R.id.one);
if (view != null) {
setupKeypad();
}
mDelete = findViewById(R.id.backspace);
mDelete.setOnClickListener(this);
mDelete.setOnLongClickListener(this);
if (icicle != null) {
super.onRestoreInstanceState(icicle);
}
// 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.
synchronized (mToneGeneratorLock) {
if (mToneGenerator == null) {
try {
mToneGenerator = new ToneGenerator(AudioManager.STREAM_RING,
TONE_RELATIVE_VOLUME);
} catch (RuntimeException e) {
Log.w(LOG_TAG, "Exception caught while creating local tone generator: " + e);
mToneGenerator = null;
}
}
}
final IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(Intent.ACTION_SCREEN_OFF);
registerReceiver(mBroadcastReceiver, intentFilter);
|
| protected void | onDestroy()
super.onDestroy();
synchronized (mToneGeneratorLock) {
if (mToneGenerator != null) {
mToneStopper.removeMessages(STOP_TONE);
mToneGenerator.release();
mToneGenerator = null;
}
}
unregisterReceiver(mBroadcastReceiver);
|
| public boolean | onKey(android.view.View view, int keyCode, android.view.KeyEvent event)
switch (view.getId()) {
case R.id.digits:
if (keyCode == KeyEvent.KEYCODE_ENTER) {
placeCall();
return true;
}
break;
}
return false;
|
| public boolean | onKeyDown(int keyCode, android.view.KeyEvent event)handle key events
switch (keyCode) {
case KeyEvent.KEYCODE_CALL: {
if (TextUtils.isEmpty(mDigits.getText().toString())) {
// if we are adding a call from the InCallScreen and the phone
// number entered is empty, we just close the dialer to expose
// the InCallScreen under it.
finish();
} else {
// otherwise, we place the call.
placeCall();
}
return true;
}
}
return super.onKeyDown(keyCode, event);
|
| public boolean | onLongClick(android.view.View view)called for long touch events
int id = view.getId();
switch (id) {
case R.id.backspace: {
mDigits.getText().delete(0, mDigits.getText().length());
return true;
}
case R.id.zero: {
keyPressed(KeyEvent.KEYCODE_PLUS);
return true;
}
}
return false;
|
| public void | onPause()turn on keyguard on pause.
// Turn keyguard back on and set the poke lock timeout to default. There
// is no need to do anything with the wake lock.
if (DBG) Log.d(LOG_TAG, "turning keyguard back on and closing the dailer");
PhoneApp app = (PhoneApp) getApplication();
app.reenableKeyguard();
app.setScreenTimeout(PhoneApp.ScreenTimeoutDuration.DEFAULT);
super.onPause();
synchronized (mToneGeneratorLock) {
if (mToneGenerator != null) {
mToneStopper.removeMessages(STOP_TONE);
mToneGenerator.release();
mToneGenerator = null;
}
}
|
| protected void | onPostCreate(android.os.Bundle savedInstanceState)
super.onPostCreate(savedInstanceState);
// This can't be done in onCreate(), since the auto-restoring of the digits
// will play DTMF tones for all the old digits if it is when onRestoreSavedInstanceState()
// is called. This method will be called every time the activity is created, and
// will always happen after onRestoreSavedInstanceState().
mDigits.addTextChangedListener(this);
|
| protected void | onRestoreInstanceState(android.os.Bundle icicle)
// Do nothing, state is restored in onCreate() if needed
|
| protected void | onResume()turn off keyguard on start.
super.onResume();
// retrieve the DTMF tone play back setting.
mDTMFToneEnabled = Settings.System.getInt(getContentResolver(),
Settings.System.DTMF_TONE_WHEN_DIALING, 1) == 1;
// 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.
synchronized (mToneGeneratorLock) {
if (mToneGenerator == null) {
try {
mToneGenerator = new ToneGenerator(AudioManager.STREAM_RING,
TONE_RELATIVE_VOLUME);
} catch (RuntimeException e) {
Log.w(LOG_TAG, "Exception caught while creating local tone generator: " + e);
mToneGenerator = null;
}
}
}
// Turn keyguard off and set the poke lock timeout to medium. There is
// no need to do anything with the wake lock.
if (DBG) Log.d(LOG_TAG, "turning keyguard off, set to long timeout");
PhoneApp app = (PhoneApp) getApplication();
app.disableKeyguard();
app.setScreenTimeout(PhoneApp.ScreenTimeoutDuration.MEDIUM);
|
| public void | onTextChanged(java.lang.CharSequence input, int start, int before, int changeCount)
// Do nothing
|
| void | placeCall()place the call, but check to make sure it is a viable number.
final String number = mDigits.getText().toString();
if (PhoneNumberUtils.isEmergencyNumber(number)) {
if (DBG) Log.d(LOG_TAG, "placing call to " + number);
// place the call if it is a valid number
if (number == null || !TextUtils.isGraphic(number)) {
// There is no number entered.
playTone(ToneGenerator.TONE_PROP_NACK);
return;
}
Intent intent = new Intent(Intent.ACTION_CALL_EMERGENCY);
intent.setData(Uri.fromParts("tel", number, null));
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
finish();
} else {
if (DBG) Log.d(LOG_TAG, "rejecting bad requested number " + number);
// erase the number and throw up an alert dialog.
mDigits.getText().delete(0, mDigits.getText().length());
displayErrorBadNumber(number);
}
|
| void | playTone(int tone)Play a tone for TONE_LENGTH_MS milliseconds.
// if local tone playback is disabled, just return.
if (!mDTMFToneEnabled) {
return;
}
synchronized (mToneGeneratorLock) {
if (mToneGenerator == null) {
Log.w(LOG_TAG, "playTone: mToneGenerator == null, tone: " + tone);
return;
}
// Remove pending STOP_TONE messages
mToneStopper.removeMessages(STOP_TONE);
// Start the new tone (will stop any playing tone)
mToneGenerator.startTone(tone);
mToneStopper.sendEmptyMessageDelayed(STOP_TONE, TONE_LENGTH_MS);
}
|
| private void | setupKeypad()
// Setup the listeners for the buttons
findViewById(R.id.one).setOnClickListener(this);
findViewById(R.id.two).setOnClickListener(this);
findViewById(R.id.three).setOnClickListener(this);
findViewById(R.id.four).setOnClickListener(this);
findViewById(R.id.five).setOnClickListener(this);
findViewById(R.id.six).setOnClickListener(this);
findViewById(R.id.seven).setOnClickListener(this);
findViewById(R.id.eight).setOnClickListener(this);
findViewById(R.id.nine).setOnClickListener(this);
findViewById(R.id.star).setOnClickListener(this);
View view = findViewById(R.id.zero);
view.setOnClickListener(this);
view.setOnLongClickListener(this);
findViewById(R.id.pound).setOnClickListener(this);
|
