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New Tap & Pay UX.

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Change-Id: Icbffe0f58d2c37d5691357c13a14ab9a40e53249
This commit is contained in:
Martijn Coenen
2015-04-21 13:47:55 +02:00
parent 79670bbe68
commit fe58b534f6
14 changed files with 646 additions and 278 deletions
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196
src/com/android/settings/nfc/PaymentBackend.java
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@@ -16,15 +16,22 @@
package com.android.settings.nfc;
import android.content.ComponentName;
import android.content.Context;
import android.app.Activity;
import android.content.*;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.nfc.NfcAdapter;
import android.nfc.cardemulation.ApduServiceInfo;
import android.nfc.cardemulation.CardEmulation;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.UserHandle;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.util.Log;
import com.android.internal.content.PackageMonitor;
import java.util.ArrayList;
import java.util.List;
@@ -32,47 +39,135 @@ import java.util.List;
public class PaymentBackend {
public static final String TAG = "Settings.PaymentBackend";
public interface Callback {
void onPaymentAppsChanged();
}
public static class PaymentAppInfo {
CharSequence caption;
CharSequence label;
CharSequence description;
Drawable banner;
boolean isDefault;
public ComponentName componentName;
public ComponentName settingsComponent;
}
private final Context mContext;
private final NfcAdapter mAdapter;
private final CardEmulation mCardEmuManager;
private final PackageMonitor mSettingsPackageMonitor = new SettingsPackageMonitor();
// Fields below only modified on UI thread
private ArrayList<PaymentAppInfo> mAppInfos;
private PaymentAppInfo mDefaultAppInfo;
private ArrayList<Callback> mCallbacks = new ArrayList<Callback>();
public PaymentBackend(Context context) {
mContext = context;
mAdapter = NfcAdapter.getDefaultAdapter(context);
mCardEmuManager = CardEmulation.getInstance(mAdapter);
refresh();
}
public List<PaymentAppInfo> getPaymentAppInfos() {
public void onPause() {
mSettingsPackageMonitor.unregister();
mContext.unregisterReceiver(mReceiver);
}
public void onResume() {
mSettingsPackageMonitor.register(mContext, mContext.getMainLooper(), false);
// Register broadcast receiver for dynamic resource updates
IntentFilter filter = new IntentFilter(CardEmulation.ACTION_REQUEST_SERVICE_RESOURCES);
mContext.registerReceiver(mReceiver, filter);
}
public void refresh() {
PackageManager pm = mContext.getPackageManager();
List<ApduServiceInfo> serviceInfos =
mCardEmuManager.getServices(CardEmulation.CATEGORY_PAYMENT);
List<PaymentAppInfo> appInfos = new ArrayList<PaymentAppInfo>();
ArrayList<PaymentAppInfo> appInfos = new ArrayList<PaymentAppInfo>();
if (serviceInfos == null) return appInfos;
ComponentName defaultApp = getDefaultPaymentApp();
for (ApduServiceInfo service : serviceInfos) {
PaymentAppInfo appInfo = new PaymentAppInfo();
appInfo.banner = service.loadBanner(pm);
appInfo.caption = service.getDescription();
if (appInfo.caption == null) {
appInfo.caption = service.loadLabel(pm);
}
appInfo.isDefault = service.getComponent().equals(defaultApp);
appInfo.componentName = service.getComponent();
appInfos.add(appInfo);
if (serviceInfos == null) {
makeCallbacks();
return;
}
return appInfos;
ComponentName defaultAppName = getDefaultPaymentApp();
PaymentAppInfo foundDefaultApp = null;
for (ApduServiceInfo service : serviceInfos) {
PaymentAppInfo appInfo = new PaymentAppInfo();
appInfo.label = service.loadLabel(pm);
if (appInfo.label == null) {
appInfo.label = service.loadAppLabel(pm);
}
appInfo.isDefault = service.getComponent().equals(defaultAppName);
if (appInfo.isDefault) {
foundDefaultApp = appInfo;
}
appInfo.componentName = service.getComponent();
String settingsActivity = service.getSettingsActivityName();
if (settingsActivity != null) {
appInfo.settingsComponent = new ComponentName(appInfo.componentName.getPackageName(),
settingsActivity);
} else {
appInfo.settingsComponent = null;
}
if (service.hasDynamicResources()) {
appInfo.description = "";
appInfo.banner = null;
sendBroadcastForResources(appInfo);
} else {
appInfo.description = service.getDescription();
appInfo.banner = service.loadBanner(pm);
}
appInfos.add(appInfo);
}
mAppInfos = appInfos;
mDefaultAppInfo = foundDefaultApp;
makeCallbacks();
}
public void registerCallback(Callback callback) {
mCallbacks.add(callback);
}
public void unregisterCallback(Callback callback) {
mCallbacks.remove(callback);
}
public List<PaymentAppInfo> getPaymentAppInfos() {
return mAppInfos;
}
public PaymentAppInfo getDefaultApp() {
return mDefaultAppInfo;
}
void makeCallbacks() {
for (Callback callback : mCallbacks) {
callback.onPaymentAppsChanged();
}
}
Drawable loadDrawableForPackage(String pkgName, int drawableResId) {
PackageManager pm = mContext.getPackageManager();
try {
Resources res = pm.getResourcesForApplication(pkgName);
Drawable banner = res.getDrawable(drawableResId);
return banner;
} catch (Resources.NotFoundException e) {
return null;
} catch (PackageManager.NameNotFoundException e) {
return null;
}
}
void sendBroadcastForResources(PaymentAppInfo appInfo) {
Intent broadcastIntent = new Intent(CardEmulation.ACTION_REQUEST_SERVICE_RESOURCES);
broadcastIntent.setPackage(appInfo.componentName.getPackageName());
broadcastIntent.putExtra(CardEmulation.EXTRA_SERVICE_COMPONENT, appInfo.componentName);
mContext.sendOrderedBroadcastAsUser(broadcastIntent, UserHandle.CURRENT,
null, mReceiver, null, Activity.RESULT_OK, null, null);
}
boolean isForegroundMode() {
@@ -103,5 +198,66 @@ public class PaymentBackend {
Settings.Secure.putString(mContext.getContentResolver(),
Settings.Secure.NFC_PAYMENT_DEFAULT_COMPONENT,
app != null ? app.flattenToString() : null);
refresh();
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
Bundle results = getResultExtras(false);
if (results != null) {
String desc = results.getString(CardEmulation.EXTRA_DESCRIPTION);
int resId = results.getInt(CardEmulation.EXTRA_BANNER_RES_ID, -1);
// Find corresponding component
PaymentAppInfo matchingAppInfo = null;
for (PaymentAppInfo appInfo : mAppInfos) {
if (appInfo.componentName.equals(
intent.getParcelableExtra(CardEmulation.EXTRA_SERVICE_COMPONENT))) {
matchingAppInfo = appInfo;
}
}
if (matchingAppInfo != null && (desc != null || resId != -1)) {
if (desc != null) {
matchingAppInfo.description = desc;
}
if (resId != -1) {
matchingAppInfo.banner = loadDrawableForPackage(
matchingAppInfo.componentName.getPackageName(), resId);
}
makeCallbacks();
}
} else {
Log.e(TAG, "Didn't find results extra.");
}
}
};
private final Handler mHandler = new Handler() {
@Override
public void dispatchMessage(Message msg) {
refresh();
}
};
private class SettingsPackageMonitor extends PackageMonitor {
@Override
public void onPackageAdded(String packageName, int uid) {
mHandler.obtainMessage().sendToTarget();
}
@Override
public void onPackageAppeared(String packageName, int reason) {
mHandler.obtainMessage().sendToTarget();
}
@Override
public void onPackageDisappeared(String packageName, int reason) {
mHandler.obtainMessage().sendToTarget();
}
@Override
public void onPackageRemoved(String packageName, int uid) {
mHandler.obtainMessage().sendToTarget();
}
}
}