1 files changed, 109 insertions, 0 deletions
diff --git a/samples/browseable/CardReader/src/com.example.android.cardreader/CardReaderFragment.java b/samples/browseable/CardReader/src/com.example.android.cardreader/CardReaderFragment.java
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+++ b/samples/browseable/CardReader/src/com.example.android.cardreader/CardReaderFragment.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.cardreader;
+
+import android.app.Activity;
+import android.nfc.NfcAdapter;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.example.android.common.logger.Log;
+
+/**
+ * Generic UI for sample discovery.
+ */
+public class CardReaderFragment extends Fragment implements LoyaltyCardReader.AccountCallback {
+
+    public static final String TAG = "CardReaderFragment";
+    // Recommend NfcAdapter flags for reading from other Android devices. Indicates that this
+    // activity is interested in NFC-A devices (including other Android devices), and that the
+    // system should not check for the presence of NDEF-formatted data (e.g. Android Beam).
+    public static int READER_FLAGS =
+            NfcAdapter.FLAG_READER_NFC_A | NfcAdapter.FLAG_READER_SKIP_NDEF_CHECK;
+    public LoyaltyCardReader mLoyaltyCardReader;
+    private TextView mAccountField;
+
+    /** Called when sample is created. Displays generic UI with welcome text. */
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View v = inflater.inflate(R.layout.main_fragment, container, false);
+        if (v != null) {
+            mAccountField = (TextView) v.findViewById(R.id.card_account_field);
+            mAccountField.setText("Waiting...");
+
+            mLoyaltyCardReader = new LoyaltyCardReader(this);
+
+            // Disable Android Beam and register our card reader callback
+            enableReaderMode();
+        }
+
+        return v;
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        disableReaderMode();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        enableReaderMode();
+    }
+
+    private void enableReaderMode() {
+        Log.i(TAG, "Enabling reader mode");
+        Activity activity = getActivity();
+        NfcAdapter nfc = NfcAdapter.getDefaultAdapter(activity);
+        if (nfc != null) {
+            nfc.enableReaderMode(activity, mLoyaltyCardReader, READER_FLAGS, null);
+        }
+    }
+
+    private void disableReaderMode() {
+        Log.i(TAG, "Disabling reader mode");
+        Activity activity = getActivity();
+        NfcAdapter nfc = NfcAdapter.getDefaultAdapter(activity);
+        if (nfc != null) {
+            nfc.disableReaderMode(activity);
+        }
+    }
+
+    @Override
+    public void onAccountReceived(final String account) {
+        // This callback is run on a background thread, but updates to UI elements must be performed
+        // on the UI thread.
+        getActivity().runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                mAccountField.setText(account);
+            }
+        });
+    }
+}