Android Open Source - PhotoToDucksboard Send Image

From Project

License

The source code is released under:

Copyright (c) 2012 Jan Urbanski Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Softw...

If you think the Android project PhotoToDucksboard listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.ducksboard.photo;
//from  www.  j a v  a 2  s.  c  o m
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

import org.json.JSONException;
import org.json.JSONObject;

import android.net.Uri;
import android.os.AsyncTask;
import android.util.Base64;
import android.util.Log;


public class SendImage extends AsyncTask<SendInfo, Void, Void> {

    private String DEBUG_TAG = "SendImage";
    private ShareActivity activity;

    public SendImage(ShareActivity activity) {
        this.activity = activity;
    }

    @Override
    protected Void doInBackground(SendInfo... info) {
        DucksboardApi api = new DucksboardApi(info[0].apiKey);

        byte[] data = readImage(info[0].uri);
        if (data == null) {
            return null;
        }

        String encoded = encodeImage(data);
        String payload = preparePayload(encoded);
        if (payload == null) {
            return null;
        }

        try {
            api.push(info[0].label, payload);
        } catch (IOException e) {
            Log.d(DEBUG_TAG, "error pushing image", e);
            return null;
        }

        return null;
    }

    @Override
    protected void onPostExecute(Void result) {
        this.activity.imageSent();
    }

    private byte[] readImage(Uri uri) {
        try {
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            ImageResizer resizer = new ImageResizer(
                    activity.getContentResolver());
            resizer.resize(uri, 450, 450, out);
            return out.toByteArray();
        } catch (FileNotFoundException e) {
            Log.d(DEBUG_TAG, "error loading image", e);
            return null;
        } catch (IOException e) {
            Log.d(DEBUG_TAG, "error loading image", e);
            return null;
        }
    }

    private String encodeImage(byte[] data) {
        String encoded = Base64.encodeToString(data, Base64.NO_WRAP);
        return "data:image/jpeg;base64," + encoded;
    }

    private String preparePayload(String encoded) {
        JSONObject payload = new JSONObject();
        JSONObject source = new JSONObject();

        try {
            source.put("source", encoded);
            payload.put("value", source);
            return payload.toString();
        } catch (JSONException e) {
            Log.d(DEBUG_TAG, "error prepareing payload", e);
            return null;
        }
    }
}

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