/** Helper function that formats and displays the current frequency. */
private void displayFreq() {
String a = Double.toString((double) mCurrentfrequency / 1000);
if (mFmBand.getChannelOffset() == CHANNEL_OFFSET_50KHZ) {
mFrequencyTextView.setText(String.format(a, "%.2f"));
} else {
mFrequencyTextView.setText(String.format(a, "%.1f"));
}
}
/**
* Required method from parent class
*
* @param icicle - The previous instance of this app
*/
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
mFmTransmitter = (FmTransmitter) getSystemService(Context.RADIO_FM_TRANSMITTER_SERVICE);
SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
mSelectedBand = settings.getInt("selectedBand", 1);
mFmBand = new FmBand(mSelectedBand);
mFrequencyIncrement = mFmBand.getChannelOffset();
setupButtons();
setupAnimation();
}
/** React to a selection in the option menu */
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getGroupId() == BAND_SELECTION_MENU) {
switch (item.getItemId()) {
case BAND_US:
mSelectedBand = FmBand.BAND_US;
item.setChecked(true);
break;
case BAND_EU:
mSelectedBand = FmBand.BAND_EU;
item.setChecked(true);
break;
case BAND_JAPAN:
mSelectedBand = FmBand.BAND_JAPAN;
item.setChecked(true);
break;
case BAND_CHINA:
mSelectedBand = FmBand.BAND_CHINA;
item.setChecked(true);
break;
default:
break;
}
mFmBand = new FmBand(mSelectedBand);
try {
mFmTransmitter.reset();
((Button) findViewById(R.id.Transmit)).setBackgroundResource(R.drawable.transmitgobutton);
((TextView) findViewById(R.id.FrequencyTextView)).setText("----");
mFrequencyIncrement = mFmBand.getChannelOffset() / 1000;
mTransmitAnimation.stop();
} catch (Exception e) {
showToast("Unable to restart the FM Radio", Toast.LENGTH_LONG);
}
}
return super.onOptionsItemSelected(item);
}