+ * See
+ * Android Design: Settings for design guidelines and the Settings
+ * API Guide for more information on developing a Settings UI.
+ */
+public class SettingsActivity extends AppCompatPreferenceActivity {
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setupActionBar();
+
+ // Display the fragment as the main content.
+ getFragmentManager().beginTransaction().replace(android.R.id.content,
+ new VPCDPreferenceFragment()).commit();
+ }
+
+ /**
+ * Set up the {@link android.app.ActionBar}, if the API is available.
+ */
+ private void setupActionBar() {
+ ActionBar actionBar = getSupportActionBar();
+ if (actionBar != null) {
+ // Show the Up button in the action bar.
+ actionBar.setDisplayHomeAsUpEnabled(true);
+ }
+ }
+
+
+ /** {@inheritDoc} */
+ @Override
+ public boolean onIsMultiPane() {
+ return isXLargeTablet(this);
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ int id = item.getItemId();
+ if (id == android.R.id.home) {
+ finish();
+ return true;
+ }
+ return super.onOptionsItemSelected(item);
+ }
+
+ /**
+ * Helper method to determine if the device has an extra-large screen. For
+ * example, 10" tablets are extra-large.
+ */
+ private static boolean isXLargeTablet(Context context) {
+ return (context.getResources().getConfiguration().screenLayout
+ & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_XLARGE;
+ }
+
+ /**
+ * A settings value change listener that updates the settings's summary
+ * to reflect its new value.
+ */
+ private static final Preference.OnPreferenceChangeListener sBindPreferenceSummaryToValueListener = new Preference.OnPreferenceChangeListener() {
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object value) {
+ String stringValue = value.toString();
+
+ if (preference instanceof ListPreference) {
+ // For list preferences, look up the correct display value in
+ // the settings's 'entries' list.
+ ListPreference listPreference = (ListPreference) preference;
+ int index = listPreference.findIndexOfValue(stringValue);
+
+ // Set the summary to reflect the new value.
+ preference.setSummary(
+ index >= 0
+ ? listPreference.getEntries()[index]
+ : null);
+ } else {
+ // For all other preferences, set the summary to the value's
+ // simple string representation.
+ preference.setSummary(stringValue);
+ }
+ return true;
+ }
+ };
+
+ /**
+ * Binds a settings's summary to its value. More specifically, when the
+ * settings's value is changed, its summary (line of text below the
+ * settings title) is updated to reflect the value. The summary is also
+ * immediately updated upon calling this method. The exact display format is
+ * dependent on the type of settings.
+ *
+ * @see #sBindPreferenceSummaryToValueListener
+ */
+ private static void bindPreferenceSummaryToValue(Preference preference) {
+ // Set the listener to watch for value changes.
+ preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);
+
+ // Trigger the listener immediately with the settings's
+ // current value.
+ sBindPreferenceSummaryToValueListener.onPreferenceChange(preference,
+ PreferenceManager
+ .getDefaultSharedPreferences(preference.getContext())
+ .getString(preference.getKey(), ""));
+ }
+
+ /**
+ * This fragment shows data and sync preferences only. It is used when the
+ * activity is showing a two-pane settings UI.
+ */
+ @TargetApi(Build.VERSION_CODES.HONEYCOMB)
+ public static class VPCDPreferenceFragment extends PreferenceFragment {
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ addPreferencesFromResource(R.xml.settings);
+ setHasOptionsMenu(true);
+
+ // Bind the summaries of EditText/List/Dialog/Ringtone preferences
+ // to their values. When their values change, their summaries are
+ // updated to reflect the new value, per the Android Design
+ // guidelines.
+ bindPreferenceSummaryToValue(findPreference("hostname"));
+ bindPreferenceSummaryToValue(findPreference("port"));
+ bindPreferenceSummaryToValue(findPreference("delay"));
+
+ Preference nfcSettings = findPreference("nfcSettings");
+ nfcSettings.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+ public boolean onPreferenceClick(Preference preference) {
+ Intent viewIntent = new Intent(Settings.ACTION_NFC_SETTINGS);
+ startActivity(viewIntent);
+ return true;
+ }
+ });
+
+ Preference scan = findPreference("scan");
+ scan.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+ public boolean onPreferenceClick(Preference preference) {
+ new IntentIntegrator(getActivity()).initiateScan();
+ return true;
+ }
+ });
+ }
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ int id = item.getItemId();
+ if (id == android.R.id.home) {
+ startActivity(new Intent(getActivity(), SettingsActivity.class));
+ return true;
+ }
+ return super.onOptionsItemSelected(item);
+ }
+
+ }
+
+ public void onActivityResult(int requestCode, int resultCode, Intent intent) {
+ IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
+ switch(requestCode) {
+ case IntentIntegrator.REQUEST_CODE:
+ if (resultCode != RESULT_CANCELED) {
+ handleScannedURI(Uri.parse(scanResult.getContents()));
+ }
+ break;
+ }
+ }
+
+ private void handleScannedURI(Uri uri) {
+ try {
+ String h, p;
+ h = uri.getHost();
+ int _p = uri.getPort();
+ if (_p < 0) {
+ _p = VPCDWorker.DEFAULT_PORT;
+ }
+ p = Integer.toString(_p);
+ SharedPreferences SP = PreferenceManager.getDefaultSharedPreferences(this);
+ SP.edit().putString("hostname", h).apply();
+ SP.edit().putString("port", p).apply();
+ } catch (Exception e) {
+ Snackbar.make(this.getCurrentFocus(), "Could not import configuration", Snackbar.LENGTH_LONG)
+ .setAction("Action", null).show();
+ }
+ }
+
+ @Override
+ public void onResume() {
+ super.onResume();
+ Intent intent = getIntent();
+ // Check to see that the Activity started due to a configuration URI
+ if (Intent.ACTION_VIEW.equals(intent.getAction())) {
+ Uri uri = intent.getData();
+ handleScannedURI(uri);
+ super.onNewIntent(intent);
+ }
+ }
+
+ @Override
+ public void onNewIntent(Intent intent) {
+ // onResume gets called after this to handle the intent
+ setIntent(intent);
+ }
+}
diff --git a/ACardEmulator/app/src/main/res/menu/main.xml b/ACardEmulator/app/src/main/res/menu/main.xml
index 5e1be4d..1433375 100644
--- a/ACardEmulator/app/src/main/res/menu/main.xml
+++ b/ACardEmulator/app/src/main/res/menu/main.xml
@@ -13,6 +13,17 @@
android:icon="@drawable/ic_action_delete"
app:showAsAction="withText" />
+