BeamShareData.java revision 1fa2aff21bc4cb89a141828c2661530e6aa655dd 
1package android.nfc;
2
3import android.net.Uri;
4import android.os.Parcel;
5import android.os.Parcelable;
6
7/**
8 * Class to IPC data to be shared over Android Beam.
9 * Allows bundling NdefMessage, Uris and flags in a single
10 * IPC call. This is important as we want to reduce the
11 * amount of IPC calls at "touch time".
12 * @hide
13 */
14public final class BeamShareData implements Parcelable {
15    public final NdefMessage ndefMessage;
16    public final Uri[] uris;
17    public final int flags;
18
19    public BeamShareData(NdefMessage msg, Uri[] uris, int flags) {
20        this.ndefMessage = msg;
21        this.uris = uris;
22        this.flags = flags;
23    }
24
25    @Override
26    public int describeContents() {
27        return 0;
28    }
29
30    @Override
31    public void writeToParcel(Parcel dest, int flags) {
32        int urisLength = (uris != null) ? uris.length : 0;
33        dest.writeParcelable(ndefMessage, 0);
34        dest.writeInt(urisLength);
35        if (urisLength > 0) {
36            dest.writeTypedArray(uris, 0);
37        }
38        dest.writeInt(this.flags);
39    }
40
41    public static final Parcelable.Creator<BeamShareData> CREATOR =
42            new Parcelable.Creator<BeamShareData>() {
43        @Override
44        public BeamShareData createFromParcel(Parcel source) {
45            Uri[] uris = null;
46            NdefMessage msg = source.readParcelable(NdefMessage.class.getClassLoader());
47            int numUris = source.readInt();
48            if (numUris > 0) {
49                uris = new Uri[numUris];
50                source.readTypedArray(uris, Uri.CREATOR);
51            }
52            int flags = source.readInt();
53
54            return new BeamShareData(msg, uris, flags);
55        }
56
57        @Override
58        public BeamShareData[] newArray(int size) {
59            return new BeamShareData[size];
60        }
61    };
62}
63