public static void updateWidgets(
final Context context,
@Nonnull final AppWidgetManager appWidgetManager,
@Nonnull final int[] appWidgetIds,
@Nonnull final BigInteger balance) {
final Configuration config =
new Configuration(PreferenceManager.getDefaultSharedPreferences(context));
final Spannable balanceStr =
new SpannableString(
GenericUtils.formatValue(balance, config.getBtcPrecision(), config.getBtcShift()));
WalletUtils.formatSignificant(balanceStr, WalletUtils.SMALLER_SPAN);
for (final int appWidgetId : appWidgetIds) {
final RemoteViews views =
new RemoteViews(context.getPackageName(), R.layout.wallet_balance_widget_content);
views.setTextViewText(R.id.widget_wallet_prefix, config.getBtcPrefix());
views.setTextViewText(R.id.widget_wallet_balance, balanceStr);
views.setOnClickPendingIntent(
R.id.widget_button_balance,
PendingIntent.getActivity(context, 0, new Intent(context, WalletActivity.class), 0));
views.setOnClickPendingIntent(
R.id.widget_button_request,
PendingIntent.getActivity(
context, 0, new Intent(context, RequestCoinsActivity.class), 0));
views.setOnClickPendingIntent(
R.id.widget_button_send,
PendingIntent.getActivity(context, 0, new Intent(context, SendCoinsActivity.class), 0));
views.setOnClickPendingIntent(
R.id.widget_button_send_qr,
PendingIntent.getActivity(context, 0, new Intent(context, SendCoinsQrActivity.class), 0));
appWidgetManager.updateAppWidget(appWidgetId, views);
}
}
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
adapter = new ExchangeRatesAdapter(activity);
setListAdapter(adapter);
loaderManager.initLoader(ID_RATE_LOADER, null, rateLoaderCallbacks);
defaultCurrency = config.getExchangeCurrencyCode();
config.registerOnSharedPreferenceChangeListener(this);
}
@Override
public void onDestroy() {
config.unregisterOnSharedPreferenceChangeListener(this);
loaderManager.destroyLoader(ID_RATE_LOADER);
super.onDestroy();
}
@Override
public void onSharedPreferenceChanged(
final SharedPreferences sharedPreferences, final String key) {
if (Configuration.PREFS_KEY_EXCHANGE_CURRENCY.equals(key)
|| Configuration.PREFS_KEY_BTC_PRECISION.equals(key)) {
defaultCurrency = config.getExchangeCurrencyCode();
updateView();
}
}
private void updateView() {
balance = application.getWallet().getBalance(BalanceType.ESTIMATED);
if (adapter != null) {
final int btcShift = config.getBtcShift();
final BigInteger base = btcShift == 0 ? GenericUtils.ONE_BTC : GenericUtils.ONE_MBTC;
adapter.setRateBase(base);
}
}