Avoid unnecessary allocation

 Bug: 7238418

Change-Id: Ic0a1ef0368368526401a53f02f680ef9d42ea310

1 files changed, 20 insertions, 6 deletions

diff --git a/src/com/android/gallery3d/app/PhotoPage.java b/src/com/android/gallery3d/app/PhotoPage.java
index ea7e83982..29211ffee 100644
--- a/src/com/android/gallery3d/app/PhotoPage.java
+++ b/src/com/android/gallery3d/app/PhotoPage.java
@@ -26,6 +26,8 @@ import android.content.pm.PackageManager;
 import android.graphics.Rect;
 import android.net.Uri;
 import android.nfc.NfcAdapter;
+import android.nfc.NfcAdapter.CreateBeamUrisCallback;
+import android.nfc.NfcEvent;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
@@ -163,7 +165,7 @@ public class PhotoPage extends ActivityState implements
     private Path mDeletePath;
     private boolean mDeleteIsFocus;  // whether the deleted item was in focus
 
-    private NfcAdapter mNfcAdapter;
+    private Uri[] mNfcPushUris = new Uri[1];
 
     private final MyMenuVisibilityListener mMenuVisibilityListener =
             new MyMenuVisibilityListener();
@@ -292,7 +294,7 @@ public class PhotoPage extends ActivityState implements
 
         mSetPathString = data.getString(KEY_MEDIA_SET_PATH);
         mOriginalSetPathString = mSetPathString;
-        mNfcAdapter = NfcAdapter.getDefaultAdapter(mActivity.getAndroidContext());
+        setupNfcBeamPush();
         String itemPathString = data.getString(KEY_MEDIA_ITEM_PATH);
         Path itemPath = itemPathString != null ?
                 Path.fromString(data.getString(KEY_MEDIA_ITEM_PATH)) :
@@ -461,12 +463,24 @@ public class PhotoPage extends ActivityState implements
     }
 
     @TargetApi(ApiHelper.VERSION_CODES.JELLY_BEAN)
-    private void setNfcBeamPushUris(Uri[] uris) {
-        if (mNfcAdapter != null && ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
-            mNfcAdapter.setBeamPushUris(uris, mActivity);
+    private void setupNfcBeamPush() {
+        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) return;
+
+        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mActivity);
+        if (adapter != null) {
+            adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
+                @Override
+                public Uri[] createBeamUris(NfcEvent event) {
+                    return mNfcPushUris;
+                }
+            }, mActivity);
         }
     }
 
+    private void setNfcBeamPushUri(Uri uri) {
+        mNfcPushUris[0] = uri;
+    }
+
     private Intent createShareIntent(Path path) {
         DataManager manager = mActivity.getDataManager();
         int type = manager.getMediaType(path);
@@ -499,7 +513,7 @@ public class PhotoPage extends ActivityState implements
         DataManager manager = mActivity.getDataManager();
         Uri uri = manager.getContentUri(path);
         mActionBar.setShareIntent(createShareIntent(path));
-        setNfcBeamPushUris(new Uri[]{uri});
+        setNfcBeamPushUri(uri);
     }
 
     private void updateCurrentPhoto(MediaItem photo) {