快速存取電子錢包

<service
     android:name=".MyQuickAccessWalletService"
     android:label="@string/my_default_tile_label"
     android:icon="@drawable/my_default_icon_label"
     android:logo="@drawable/my_wallet_logo"
     android:permission="android.permission.BIND_QUICK_ACCESS_WALLET_SERVICE">
     <intent-filter>
         <action android:name="android.service.quickaccesswallet.QuickAccessWalletService" />
         <category android:name="android.intent.category.DEFAULT"/>
     </intent-filter>
     <meta-data android:name="android.quickaccesswallet"
          android:resource="@xml/quickaccesswallet_configuration" />
     <meta-data
          android:name="android.quickaccesswallet.tile"
          android:resource="@drawable/my_default_tile_icon"/>
</service>

<quickaccesswallet-service
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:settingsActivity="com.example.android.SettingsActivity"
   android:shortcutLongLabel="@string/my_wallet_empty_state_text"
   android:shortcutShortLabel="@string/my_wallet_button_text"
   android:targetActivity="com.example.android.WalletActivity"/>

public class MyQuickAccessWalletService extends QuickAccessWalletService {

    @Override
    public void onWalletCardsRequested(
            GetWalletCardsRequest request,
            GetWalletCardsCallback callback) {
        GetWalletCardsResponse response = // generate response
        callback.onSuccess(response);
    }

    @Override
    public void onWalletCardSelected(SelectWalletCardRequest request) {
        // selecting a card should ensure that it is used when making an NFC payment
    }

    @Override
    public void onWalletDismissed() {
        // May un-select card if the wallet app has the concept of a 'default'
        // payment method
    }
}

<resources>
    ...
    <!-- SystemUI Plugins that can be loaded on user builds. -->
    <string-array name="config_pluginWhitelist" translatable="false">
        <item>com.android.systemui</item>
        <item>com.android.systemui.plugin.globalactions.wallet</item>
    </string-array>
</resources>

/** Sample implementation of {@link QuickAccessWalletService} */
@RequiresApi(VERSION_CODES.R)
public class MyQuickAccessWalletService extends QuickAccessWalletService {

  private static final String TAG = "QAWalletSvc";
  private ExecutorService executor;
  private PaymentCardManager paymentCardManager;

  @Override
  public void onCreate() {
    super.onCreate();
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
      Log.w(TAG, "Should not run on pre-R devices");
      stopSelf();
      return;
    }
    executor = Executors.newSingleThreadExecutor();
    paymentCardManager = new PaymentCardManager();
  }

  @Override
  public void onDestroy() {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
      return;
    }
    executor.shutdownNow();
  }

  @Override
  public void onWalletCardsRequested(
      @NonNull GetWalletCardsRequest request, @NonNull GetWalletCardsCallback callback) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
      return;
    }
    executor.submit(
        () -> {
          List<PaymentCard> paymentCards = paymentCardManager.getCards();
          int maxCards = Math.min(paymentCards.size(), request.getMaxCards());
          List<WalletCard> walletCards = new ArrayList<>(maxCards);
          int selectedIndex = 0;
          int cardWidthPx = request.getCardWidthPx();
          int cardHeightPx = request.getCardHeightPx();
          for (int index = 0; index < maxCards; index++) {
            PaymentCard paymentCard = paymentCards.get(index);
            WalletCard walletCard =
                new WalletCard.Builder(
                        paymentCard.getCardId(),
                        paymentCard.getCardImage(cardWidthPx, cardHeightPx),
                        paymentCard.getContentDescription(),
                        paymentCard.getPendingIntent())
                    .build();
            walletCards.add(walletCard);
            if (paymentCard.isSelected()) {
              selectedIndex = index;
            }
          }
          GetWalletCardsResponse response =
              new GetWalletCardsResponse(walletCards, selectedIndex);
          callback.onSuccess(response);
        });
  }

  @Override
  public void onWalletCardSelected(@NonNull SelectWalletCardRequest request) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
      return;
    }
    executor.submit(
        () -> paymentCardManager.selectCardById(request.getCardId()));
  }

  @Override
  public void onWalletDismissed() {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
      return;
    }
    executor.submit(() -> {
      paymentCardManager.removeCardOverrides();
    });
  }
}

public interface GlobalActionsPanelPlugin extends Plugin {

  /** Invoked when the view is shown */
  PanelViewController onPanelShown(Callbacks callbacks, boolean deviceLocked);

  /** Callbacks for interacting with the view container */
  interface Callbacks {
    /** Dismisses the view */
    void dismissGlobalActionsMenu();

    /** Starts a PendingIntent, dismissing the keyguard if necessary. */
    void startPendingIntentDismissingKeyguard(PendingIntent pendingIntent);
  }

  /** Provides the Quick Access Wallet view */
  interface PanelViewController {

    /** Returns the QuickAccessWallet view, which may take any size */
    View getPanelContent();

    /** Invoked when the view is dismissed */
    void onDismissed();

    /** Invoked when the device is either locked or unlocked. */
    void onDeviceLockStateChanged(boolean locked);
  }
}

GlobalActionsPanelPlugin mPanelPlugin =
    Dependency.get(ExtensionController.class)
        .newExtension(GlobalActionsPanelPlugin.class)
        .withPlugin(GlobalActionsPanelPlugin.class)
        .build()
        .get();

// Construct a Wallet PanelViewController.
// `this` implements GlobalActionsPanelPlugin.Callbacks
GlobalActionsPanelPlugin.PanelViewController mPanelController =
    mPanelPlugin.onPanelShown(this, !mKeyguardStateController.isUnlocked());

// Attach the view
FrameLayout panelContainer = findViewById(R.id.my_panel_container);
FrameLayout.LayoutParams panelParams =
    new FrameLayout.LayoutParams(
        FrameLayout.LayoutParams.MATCH_PARENT,
        FrameLayout.LayoutParams.MATCH_PARENT);
panelContainer.addView(mPanelController.getPanelContent(), panelParams);

// Respond to unlock events (if the view can be accessed while the phone is locked)
keyguardStateController.addCallback(new KeyguardStateController.Callback() {
  @Override
  public void onUnlockedChanged() {
    boolean unlocked = keyguardStateController.isUnlocked()
        || keyguardStateController.canDismissLockScreen();
    mPanelController.onDeviceLockStateChanged(unlocked);
  }
});

// Implement GlobalActionsPanelPlugin.Callbacks
@Override
public void dismissGlobalActionsMenu() {
  dismissDialog();
}
@Override
public void startPendingIntentDismissingKeyguard(PendingIntent pendingIntent) {
  mActivityStarter.startPendingIntentDismissingKeyguard(pendingIntent);
}

// Notify the wallet when the container view is dismissed
mPanelController.onDismissed();