Added some log statement to help track down Acer issue

git-svn-id: http://zxing.googlecode.com/svn/trunk/android@1337 59b500cc-1b3d-0410-9834-0bbf25fbcc57

5 files changed, 27 insertions, 0 deletions

diff --git a/src/com/google/zxing/client/android/CaptureActivityHandler.java b/src/com/google/zxing/client/android/CaptureActivityHandler.java
index a0d29e6c..38b7eb81 100755
--- a/src/com/google/zxing/client/android/CaptureActivityHandler.java
+++ b/src/com/google/zxing/client/android/CaptureActivityHandler.java
@@ -27,6 +27,7 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
+import android.util.Log;
 
 import java.util.Vector;
 
@@ -37,6 +38,8 @@ import java.util.Vector;
  */
 public final class CaptureActivityHandler extends Handler {
 
+  private static final String TAG = CaptureActivityHandler.class.getSimpleName();
+
   private final CaptureActivity activity;
   private final DecodeThread decodeThread;
   private State state;
@@ -68,6 +71,7 @@ public final class CaptureActivityHandler extends Handler {
   public void handleMessage(Message message) {
     switch (message.what) {
       case R.id.auto_focus:
+        Log.v(TAG, "Got auto-focus message");
         // When one auto focus pass finishes, start another. This is the closest thing to
         // continuous AF. It does seem to hunt a bit, but I'm not sure what else to do.
         if (state == State.PREVIEW) {
@@ -75,24 +79,29 @@ public final class CaptureActivityHandler extends Handler {
         }
         break;
       case R.id.restart_preview:
+        Log.v(TAG, "Got restart preview message");
         restartPreviewAndDecode();
         break;
       case R.id.decode_succeeded:
+        Log.v(TAG, "Got decode succeeded message");
         state = State.SUCCESS;
         Bundle bundle = message.getData();
         Bitmap barcode = bundle == null ? null : (Bitmap) bundle.getParcelable(DecodeThread.BARCODE_BITMAP);
         activity.handleDecode((Result) message.obj, barcode);
         break;
       case R.id.decode_failed:
+        Log.v(TAG, "Got decode failed message");
         // We're decoding as fast as possible, so when one decode fails, start another.
         state = State.PREVIEW;
         CameraManager.get().requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
         break;
       case R.id.return_scan_result:
+        Log.v(TAG, "Got return scan result message");
         activity.setResult(Activity.RESULT_OK, (Intent) message.obj);
         activity.finish();
         break;
       case R.id.launch_product_query:
+        Log.v(TAG, "Got product query message");        
         String url = (String) message.obj;
         Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);        
diff --git a/src/com/google/zxing/client/android/DecodeHandler.java b/src/com/google/zxing/client/android/DecodeHandler.java
index ff7d0a9a..e380bb5a 100644
--- a/src/com/google/zxing/client/android/DecodeHandler.java
+++ b/src/com/google/zxing/client/android/DecodeHandler.java
@@ -49,6 +49,7 @@ final class DecodeHandler extends Handler {
   public void handleMessage(Message message) {
     switch (message.what) {
       case R.id.decode:
+        Log.v(TAG, "Got decode message");
         decode((byte[]) message.obj, message.arg1, message.arg2);
         break;
       case R.id.quit:
@@ -85,9 +86,11 @@ final class DecodeHandler extends Handler {
       Bundle bundle = new Bundle();
       bundle.putParcelable(DecodeThread.BARCODE_BITMAP, source.renderCroppedGreyscaleBitmap());
       message.setData(bundle);
+      Log.v(TAG, "Sending decode succeeded message...");
       message.sendToTarget();
     } else {
       Message message = Message.obtain(activity.getHandler(), R.id.decode_failed);
+      Log.v(TAG, "Sending decode failed message...");
       message.sendToTarget();
     }
   }
diff --git a/src/com/google/zxing/client/android/camera/AutoFocusCallback.java b/src/com/google/zxing/client/android/camera/AutoFocusCallback.java
index fb3dd04a..2af5f4d6 100644
--- a/src/com/google/zxing/client/android/camera/AutoFocusCallback.java
+++ b/src/com/google/zxing/client/android/camera/AutoFocusCallback.java
@@ -19,9 +19,12 @@ package com.google.zxing.client.android.camera;
 import android.hardware.Camera;
 import android.os.Handler;
 import android.os.Message;
+import android.util.Log;
 
 final class AutoFocusCallback implements Camera.AutoFocusCallback {
 
+  private static final String TAG = AutoFocusCallback.class.getSimpleName();
+
   private static final long AUTOFOCUS_INTERVAL_MS = 1500L;
 
   private final CameraConfigurationManager configManager;
@@ -43,12 +46,15 @@ final class AutoFocusCallback implements Camera.AutoFocusCallback {
       Message message = autoFocusHandler.obtainMessage(autoFocusMessage, success);
       // Simulate continuous autofocus by sending a focus request every
       // AUTOFOCUS_INTERVAL_MS milliseconds.
+      Log.v(TAG, "Got auto-focus callback; requesting another");
       autoFocusHandler.sendMessageDelayed(message, AUTOFOCUS_INTERVAL_MS);
       autoFocusHandler = null;
       if (!reinitCamera) {
         reinitCamera = true;
         configManager.setDesiredCameraParameters(camera);
       }
+    } else {
+      Log.v(TAG, "Got auto-focus callback, but no handler for it");
     }
   }
 
diff --git a/src/com/google/zxing/client/android/camera/CameraManager.java b/src/com/google/zxing/client/android/camera/CameraManager.java
index fc566939..a02550a5 100755
--- a/src/com/google/zxing/client/android/camera/CameraManager.java
+++ b/src/com/google/zxing/client/android/camera/CameraManager.java
@@ -176,8 +176,10 @@ public final class CameraManager {
     if (camera != null && previewing) {
       previewCallback.setHandler(handler, message);
       if (useOneShotPreviewCallback) {
+        Log.v(TAG, "Requesting one-shot preview callback");
         camera.setOneShotPreviewCallback(previewCallback);
       } else {
+        Log.v(TAG, "Requesting preview callback");
         camera.setPreviewCallback(previewCallback);
       }
     }
@@ -192,6 +194,7 @@ public final class CameraManager {
   public void requestAutoFocus(Handler handler, int message) {
     if (camera != null && previewing) {
       autoFocusCallback.setHandler(handler, message);
+      Log.v(TAG, "Requesting auto-focus callback");
       camera.autoFocus(autoFocusCallback);
     }
   }
diff --git a/src/com/google/zxing/client/android/camera/PreviewCallback.java b/src/com/google/zxing/client/android/camera/PreviewCallback.java
index 83377bab..2b89d3fa 100644
--- a/src/com/google/zxing/client/android/camera/PreviewCallback.java
+++ b/src/com/google/zxing/client/android/camera/PreviewCallback.java
@@ -20,9 +20,12 @@ import android.graphics.Point;
 import android.hardware.Camera;
 import android.os.Handler;
 import android.os.Message;
+import android.util.Log;
 
 final class PreviewCallback implements Camera.PreviewCallback {
 
+  private static final String TAG = PreviewCallback.class.getSimpleName();
+
   private final CameraConfigurationManager configManager;
   private final boolean useOneShotPreviewCallback;
   private Handler previewHandler;
@@ -46,8 +49,11 @@ final class PreviewCallback implements Camera.PreviewCallback {
     if (previewHandler != null) {
       Message message = previewHandler.obtainMessage(previewMessage, cameraResolution.x,
           cameraResolution.y, data);
+      Log.v(TAG, "Got preview callback; sending message to decoder");
       message.sendToTarget();
       previewHandler = null;
+    } else {
+      Log.v(TAG, "Got preview callback, but no handler for it");
     }
   }