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added settings activity

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This commit is contained in:
Frank Morgner
2016-04-07 15:36:00 +02:00
parent caff142b0b
commit f401923005
5 changed files with 383 additions and 0 deletions
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109
ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/AppCompatPreferenceActivity.java Normal file
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package com.vsmartcard.remotesmartcardreader.app;
import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.support.annotation.LayoutRes;
import android.support.annotation.Nullable;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatDelegate;
import android.support.v7.widget.Toolbar;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
/**
* A {@link android.preference.PreferenceActivity} which implements and proxies the necessary calls
* to be used with AppCompat.
*/
public abstract class AppCompatPreferenceActivity extends PreferenceActivity {
private AppCompatDelegate mDelegate;
@Override
protected void onCreate(Bundle savedInstanceState) {
getDelegate().installViewFactory();
getDelegate().onCreate(savedInstanceState);
super.onCreate(savedInstanceState);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
getDelegate().onPostCreate(savedInstanceState);
}
public ActionBar getSupportActionBar() {
return getDelegate().getSupportActionBar();
}
public void setSupportActionBar(@Nullable Toolbar toolbar) {
getDelegate().setSupportActionBar(toolbar);
}
@Override
public MenuInflater getMenuInflater() {
return getDelegate().getMenuInflater();
}
@Override
public void setContentView(@LayoutRes int layoutResID) {
getDelegate().setContentView(layoutResID);
}
@Override
public void setContentView(View view) {
getDelegate().setContentView(view);
}
@Override
public void setContentView(View view, ViewGroup.LayoutParams params) {
getDelegate().setContentView(view, params);
}
@Override
public void addContentView(View view, ViewGroup.LayoutParams params) {
getDelegate().addContentView(view, params);
}
@Override
protected void onPostResume() {
super.onPostResume();
getDelegate().onPostResume();
}
@Override
protected void onTitleChanged(CharSequence title, int color) {
super.onTitleChanged(title, color);
getDelegate().setTitle(title);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
getDelegate().onConfigurationChanged(newConfig);
}
@Override
protected void onStop() {
super.onStop();
getDelegate().onStop();
}
@Override
protected void onDestroy() {
super.onDestroy();
getDelegate().onDestroy();
}
public void invalidateOptionsMenu() {
getDelegate().invalidateOptionsMenu();
}
private AppCompatDelegate getDelegate() {
if (mDelegate == null) {
mDelegate = AppCompatDelegate.create(this, null);
}
return mDelegate;
}
}

247
ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/SettingsActivity.java Normal file
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/*
* Copyright (C) 2014 Frank Morgner
*
* This file is part of RemoteSmartCardReader.
*
* RemoteSmartCardReader is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* RemoteSmartCardReader is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* RemoteSmartCardReader. If not, see <http://www.gnu.org/licenses/>.
*/
package com.vsmartcard.remotesmartcardreader.app;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.provider.Settings;
import android.support.design.widget.Snackbar;
import android.support.v7.app.ActionBar;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.view.MenuItem;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
/**
* A {@link PreferenceActivity} that presents a set of application settings. On
* handset devices, settings are presented as a single list. On tablets,
* settings are split by category, with category headers shown to the left of
* the list of settings.
* <p>
* See <a href="http://developer.android.com/design/patterns/settings.html">
* Android Design: Settings</a> for design guidelines and the <a
* href="http://developer.android.com/guide/topics/ui/settings.html">Settings
* API Guide</a> 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);
}
}

11
ACardEmulator/app/src/main/res/menu/main.xml
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@@ -13,6 +13,17 @@
android:icon="@drawable/ic_action_delete"
app:showAsAction="withText" />
<item android:id="@+id/action_delete"
android:title="@string/action_delete"
android:icon="@drawable/ic_action_delete"
app:showAsAction="withText" />
<item
android:id="@+id/action_settings"
android:orderInCategory="100"
android:title="@string/action_settings"
app:showAsAction="never" />
<item android:id="@+id/action_help"
android:title="@string/action_help"
android:icon="@android:drawable/ic_menu_help"

1
ACardEmulator/app/src/main/res/values/strings.xml
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@@ -37,5 +37,6 @@
<b>GIDS Applet</b> <small>(AID A000000397425446590201)</small>\n
\n
Place your device on a contact-less reader. When the reader issues a SELECT command for one of the application identifiers above, the emulator creates the appropriate applet. The emulated applet will then handle all subsequent APDUs.</string>
<string name="action_settings">Settings</string>
</resources>

15
ACardEmulator/app/src/main/res/xml/settings.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<PreferenceCategory
android:title="Java Card Emulator">
<Preference
android:title="NFC System Settings"
android:summary="NFC needs to be enabled for emulating a contactless smart card"
android:key="nfcSettings">
</Preference>
</PreferenceCategory>
</PreferenceScreen>