Desafio 2

gistfile1.java

     /**
     * Create a new image file and save it to Drive. (Extract the Bitmap from imageview)
     */
    private void saveImageToDrive(ImageView iv) {

        final Bitmap image = drawableToBitmap(iv.getDrawable());
        Drive.DriveApi.newDriveContents(mGoogleApiClient).setResultCallback(new ResultCallback<DriveApi.DriveContentsResult>() {


            public void onResult(DriveApi.DriveContentsResult result) {
                if (!result.getStatus().isSuccess()) {
                    return;
                }
                OutputStream outputStream = result.getDriveContents().getOutputStream();
                ByteArrayOutputStream bitmapStream = new ByteArrayOutputStream();
                image.compress(Bitmap.CompressFormat.PNG, 100, bitmapStream);
                try {
                    outputStream.write(bitmapStream.toByteArray());
                } catch (IOException e1) {
                }

                MetadataChangeSet metadataChangeSet = new MetadataChangeSet.Builder()
                        .setMimeType("image/png").setTitle("Expotec.png").build();
                IntentSender intentSender = Drive.DriveApi
                        .newCreateFileActivityBuilder()
                        .setInitialMetadata(metadataChangeSet)
                        .setInitialDriveContents(result.getDriveContents())
                        .build(mGoogleApiClient);
                try {
                    startIntentSenderForResult(
                            intentSender, 111, null, 0, 0, 0);
                } catch (IntentSender.SendIntentException e) {
                }
            }
        });
    }

    public static Bitmap drawableToBitmap(Drawable drawable) {
        if (drawable instanceof BitmapDrawable) {
            return ((BitmapDrawable) drawable).getBitmap();
        }

        Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
        drawable.draw(canvas);

        return bitmap;
    }