wpadebug: Move NFC intent activity into a separate class

This simplifies both activities by making the DisplayMessageActity
simple text message displaying operation and the NFC activity as
something that is started only through NFC intent triggers.

Signed-hostap: Jouni Malinen <j@w1.fi>

wpadebug/AndroidManifest.xml

@@ -18,6 +18,10 @@
 	<activity android:name="w1.fi.wpadebug.DisplayMessageActivity"
 		  android:label="Operation result"
 		  android:parentActivityName="w1.fi.wpadebug.MainActivity">
+	</activity>
+	<activity android:name="w1.fi.wpadebug.WpaNfcActivity"
+		  android:label="wpa_supplicant NFC operation"
+		  android:parentActivityName="w1.fi.wpadebug.MainActivity">
             <intent-filter>
 		<action android:name="android.nfc.action.NDEF_DISCOVERED"/>
 		<category android:name="android.intent.category.DEFAULT"/>

wpadebug/src/w1/fi/wpadebug/DisplayMessageActivity.java

@@ -16,9 +16,6 @@ import android.content.Intent;
 import android.widget.TextView;
 import android.text.method.ScrollingMovementMethod;
 import android.util.Log;
-import android.nfc.NdefMessage;
-import android.nfc.NdefRecord;
-import android.nfc.NfcAdapter;
 
 public class DisplayMessageActivity extends Activity
 {
@@ -41,8 +38,6 @@ public class DisplayMessageActivity extends Activity
 	Intent intent = getIntent();
 	String action = intent.getAction();
 	Log.d(TAG, "onCreate: action=" + action);
-	if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(intent.getAction()))
-	    return; // handled in onResume()
 
 	String message = intent.getStringExtra(MainActivity.EXTRA_MESSAGE);
 
@@ -51,38 +46,4 @@ public class DisplayMessageActivity extends Activity
 	textView.setMovementMethod(new ScrollingMovementMethod());
         setContentView(textView);
     }
-
-    @Override
-    public void onResume()
-    {
-	super.onResume();
-
-	Intent intent = getIntent();
-	String action = intent.getAction();
-	Log.d(TAG, "onResume: action=" + action);
-
-	if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {
-	    Log.d(TAG, "onResume - NDEF discovered");
-	    Parcelable[] raw = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
-	    if (raw != null) {
-		String txt = "NDEF message count: " + raw.length;
-		Log.d(TAG, txt);
-		NdefMessage[] msgs = new NdefMessage[raw.length];
-		for (int i = 0; i < raw.length; i++) {
-		    msgs[i] = (NdefMessage) raw[i];
-		    NdefRecord rec = msgs[i].getRecords()[0];
-		    Log.d(TAG, "MIME type: " + rec.toMimeType());
-		    byte[] a = rec.getPayload();
-		    Log.d(TAG, "NDEF record: " + byteArrayHex(a));
-		    txt += "\nMessage[" + rec.toMimeType() + "]: " +
-			byteArrayHex(a);
-		}
-
-		TextView textView = new TextView(this);
-		textView.setText(txt);
-		textView.setMovementMethod(new ScrollingMovementMethod());
-		setContentView(textView);
-	    }
-	}
-    }
 }

wpadebug/src/w1/fi/wpadebug/WpaNfcActivity.java

@@ -0,0 +1,74 @@
+/*
+ * wpadebug - wpa_supplicant and Wi-Fi debugging app for Android
+ * Copyright (c) 2013, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+package w1.fi.wpadebug;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.view.MenuItem;
+import android.content.Intent;
+import android.widget.TextView;
+import android.text.method.ScrollingMovementMethod;
+import android.util.Log;
+import android.nfc.NdefMessage;
+import android.nfc.NdefRecord;
+import android.nfc.NfcAdapter;
+
+public class WpaNfcActivity extends Activity
+{
+    private static final String TAG = "wpadebug";
+
+    String byteArrayHex(byte[] a) {
+	StringBuilder sb = new StringBuilder();
+	for (byte b: a)
+	    sb.append(String.format("%02x", b));
+	return sb.toString();
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+	Log.d(TAG, "onCreate");
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public void onResume()
+    {
+	super.onResume();
+
+	Intent intent = getIntent();
+	String action = intent.getAction();
+	Log.d(TAG, "onResume: action=" + action);
+
+	if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {
+	    Log.d(TAG, "onResume - NDEF discovered");
+	    Parcelable[] raw = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
+	    if (raw != null) {
+		String txt = "NDEF message count: " + raw.length;
+		Log.d(TAG, txt);
+		NdefMessage[] msgs = new NdefMessage[raw.length];
+		for (int i = 0; i < raw.length; i++) {
+		    msgs[i] = (NdefMessage) raw[i];
+		    NdefRecord rec = msgs[i].getRecords()[0];
+		    Log.d(TAG, "MIME type: " + rec.toMimeType());
+		    byte[] a = rec.getPayload();
+		    Log.d(TAG, "NDEF record: " + byteArrayHex(a));
+		    txt += "\nMessage[" + rec.toMimeType() + "]: " +
+			byteArrayHex(a);
+		}
+
+		TextView textView = new TextView(this);
+		textView.setText(txt);
+		textView.setMovementMethod(new ScrollingMovementMethod());
+		setContentView(textView);
+	    }
+	}
+    }
+}