// Signature format: 2.0
package android.nfc {

  public final class NfcAdapter {
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean addNfcUnlockHandler(android.nfc.NfcAdapter.NfcUnlockHandler, String[]);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean disable();
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean disable(boolean);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean enable();
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean enableReaderOption(boolean);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean enableSecureNfc(boolean);
    method public int getAdapterState();
    method @NonNull @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public java.util.Map<java.lang.String,java.lang.Boolean> getTagIntentAppPreferenceForUser(int);
    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public boolean isControllerAlwaysOn();
    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public boolean isControllerAlwaysOnSupported();
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean isTagIntentAppPreferenceSupported();
    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void registerControllerAlwaysOnListener(@NonNull java.util.concurrent.Executor, @NonNull android.nfc.NfcAdapter.ControllerAlwaysOnListener);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void registerNfcVendorNciCallback(@NonNull java.util.concurrent.Executor, @NonNull android.nfc.NfcAdapter.NfcVendorNciCallback);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean removeNfcUnlockHandler(android.nfc.NfcAdapter.NfcUnlockHandler);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public int sendVendorNciMessage(int, @IntRange(from=0, to=15) int, @IntRange(from=0) int, @NonNull byte[]);
    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public boolean setControllerAlwaysOn(boolean);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void setReaderModePollingEnabled(boolean);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public int setTagIntentAppPreferenceForUser(int, @NonNull String, boolean);
    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void unregisterControllerAlwaysOnListener(@NonNull android.nfc.NfcAdapter.ControllerAlwaysOnListener);
    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void unregisterNfcVendorNciCallback(@NonNull android.nfc.NfcAdapter.NfcVendorNciCallback);
    field public static final String ACTION_REQUIRE_UNLOCK_FOR_NFC = "android.nfc.action.REQUIRE_UNLOCK_FOR_NFC";
    field @RequiresPermission(android.Manifest.permission.SHOW_CUSTOMIZED_RESOLVER) public static final String ACTION_SHOW_NFC_RESOLVER = "android.nfc.action.SHOW_NFC_RESOLVER";
    field public static final String EXTRA_RESOLVE_INFOS = "android.nfc.extra.RESOLVE_INFOS";
    field public static final int MESSAGE_TYPE_COMMAND = 1; // 0x1
    field public static final int SEND_VENDOR_NCI_STATUS_FAILED = 3; // 0x3
    field public static final int SEND_VENDOR_NCI_STATUS_MESSAGE_CORRUPTED = 2; // 0x2
    field public static final int SEND_VENDOR_NCI_STATUS_REJECTED = 1; // 0x1
    field public static final int SEND_VENDOR_NCI_STATUS_SUCCESS = 0; // 0x0
    field public static final int TAG_INTENT_APP_PREF_RESULT_PACKAGE_NOT_FOUND = -1; // 0xffffffff
    field public static final int TAG_INTENT_APP_PREF_RESULT_SUCCESS = 0; // 0x0
    field public static final int TAG_INTENT_APP_PREF_RESULT_UNAVAILABLE = -2; // 0xfffffffe
  }

  public static interface NfcAdapter.ControllerAlwaysOnListener {
    method public void onControllerAlwaysOnChanged(boolean);
  }

  public static interface NfcAdapter.NfcUnlockHandler {
    method public boolean onUnlockAttempted(android.nfc.Tag);
  }

  public static interface NfcAdapter.NfcVendorNciCallback {
    method public void onVendorNciNotification(@IntRange(from=9, to=15) int, int, @NonNull byte[]);
    method public void onVendorNciResponse(@IntRange(from=0, to=15) int, int, @NonNull byte[]);
  }

}

package android.nfc.cardemulation {

  public final class CardEmulation {
    method @Nullable @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public static android.content.ComponentName getPreferredPaymentService(@NonNull android.content.Context);
    method @NonNull public java.util.List<android.nfc.cardemulation.ApduServiceInfo> getServices(@NonNull String, int);
  }

}