Import the NFC tag app.
It came from development/apps/Tag at
f8580cf67655e5b4dcf14b2520a8897e97053608
The APK name has changed to Tag.apk.
Change-Id: I4976c4d5b656544676fdd01f64be838e4aafd30f
diff --git a/src/com/android/apps/tag/TagViewer.java b/src/com/android/apps/tag/TagViewer.java
new file mode 100644
index 0000000..f31666e
--- /dev/null
+++ b/src/com/android/apps/tag/TagViewer.java
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2010 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.android.apps.tag;
+
+import com.android.apps.tag.message.NdefMessageParser;
+import com.android.apps.tag.message.ParsedNdefMessage;
+import com.android.apps.tag.record.ParsedNdefRecord;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.nfc.NdefMessage;
+import android.nfc.NdefTag;
+import android.nfc.NfcAdapter;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.ContextThemeWrapper;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import java.util.Locale;
+
+/**
+ * An {@link Activity} which handles a broadcast of a new tag that the device just discovered.
+ */
+public class TagViewer extends Activity implements OnClickListener, Handler.Callback {
+ static final String TAG = "SaveTag";
+ static final String EXTRA_TAG_DB_ID = "db_id";
+ static final String EXTRA_MESSAGE = "msg";
+
+ /** This activity will finish itself in this amount of time if the user doesn't do anything. */
+ static final int ACTIVITY_TIMEOUT_MS = 10 * 1000;
+
+ long mTagDatabaseId;
+ ImageView mIcon;
+ TextView mTitle;
+ CheckBox mStar;
+ Button mDeleteButton;
+ Button mCancelButton;
+ NdefMessage[] mMessagesToSave = null;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
+ | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
+ | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+ | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+ | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
+ | WindowManager.LayoutParams.FLAG_DIM_BEHIND
+ );
+
+ setContentView(R.layout.tag_viewer);
+
+ mTitle = (TextView) findViewById(R.id.title);
+ mIcon = (ImageView) findViewById(R.id.icon);
+ mStar = (CheckBox) findViewById(R.id.star);
+ mDeleteButton = (Button) findViewById(R.id.btn_delete);
+ mCancelButton = (Button) findViewById(R.id.btn_cancel);
+
+ mDeleteButton.setOnClickListener(this);
+ mCancelButton.setOnClickListener(this);
+ mIcon.setImageResource(R.drawable.ic_launcher_nfc);
+
+ Intent intent = getIntent();
+ NdefMessage[] msgs = null;
+ NdefTag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
+ if (tag == null) {
+ // Maybe it came from the database?
+ mTagDatabaseId = intent.getLongExtra(EXTRA_TAG_DB_ID, -1);
+ NdefMessage msg = intent.getParcelableExtra(EXTRA_MESSAGE);
+ if (msg != null) {
+ msgs = new NdefMessage[] { msg };
+ }
+
+ // Hide the text about saving the tag, it's already in the database
+ findViewById(R.id.cancel_help_text).setVisibility(View.GONE);
+ } else {
+ msgs = tag.getNdefMessages();
+ mDeleteButton.setVisibility(View.GONE);
+
+ // Set a timer on this activity since it wasn't created by the user
+ new Handler(this).sendEmptyMessageDelayed(0, ACTIVITY_TIMEOUT_MS);
+
+ // Save the messages that were just scanned
+ mMessagesToSave = msgs;
+ }
+
+ if (msgs == null || msgs.length == 0) {
+ Log.e(TAG, "No NDEF messages");
+ finish();
+ return;
+ }
+
+ Context contentContext = new ContextThemeWrapper(this, android.R.style.Theme_Light);
+ LayoutInflater inflater = LayoutInflater.from(contentContext);
+ LinearLayout list = (LinearLayout) findViewById(R.id.list);
+
+ buildTagViews(list, inflater, msgs);
+
+ if (TextUtils.isEmpty(getTitle())) {
+ // There isn't a snippet for this tag, use a default title
+ setTitle(R.string.tag_unknown);
+ }
+ }
+
+ private void buildTagViews(LinearLayout list, LayoutInflater inflater, NdefMessage[] msgs) {
+ if (msgs == null || msgs.length == 0) {
+ return;
+ }
+
+ // Build the views from the logical records in the messages
+ NdefMessage msg = msgs[0];
+
+ // Set the title to be the snippet of the message
+ ParsedNdefMessage parsedMsg = NdefMessageParser.parse(msg);
+ setTitle(parsedMsg.getSnippet(this, Locale.getDefault()));
+
+ // Build views for all of the sub records
+ for (ParsedNdefRecord record : parsedMsg.getRecords()) {
+ list.addView(record.getView(this, inflater, list));
+ inflater.inflate(R.layout.tag_divider, list, true);
+ }
+ }
+
+ @Override
+ public void setTitle(CharSequence title) {
+ mTitle.setText(title);
+ }
+
+ @Override
+ public void onClick(View view) {
+ if (view == mDeleteButton) {
+ Intent save = new Intent(this, TagService.class);
+ save.putExtra(TagService.EXTRA_DELETE_ID, mTagDatabaseId);
+ startService(save);
+ finish();
+ } else if (view == mCancelButton) {
+ mMessagesToSave = null;
+ finish();
+ }
+ }
+
+ @Override
+ public void onStop() {
+ super.onStop();
+ if (mMessagesToSave != null) {
+ saveMessages(mMessagesToSave);
+ }
+ }
+
+ void saveMessages(NdefMessage[] msgs) {
+ Intent save = new Intent(this, TagService.class);
+ save.putExtra(TagService.EXTRA_SAVE_MSGS, msgs);
+ startService(save);
+ }
+
+ @Override
+ public boolean handleMessage(Message msg) {
+ finish();
+ return true;
+ }
+}