CameraLauncher.java 文件源码

/**
 * Compress bitmap using jpeg, convert to Base64 encoded string, and return to JavaScript.
 *
 * @param bitmap
 */
public void processPicture(Bitmap bitmap, int encodingType) {
    ByteArrayOutputStream jpeg_data = new ByteArrayOutputStream();
    CompressFormat compressFormat = encodingType == JPEG ?
            CompressFormat.JPEG :
            CompressFormat.PNG;

    try {
        if (bitmap.compress(compressFormat, mQuality, jpeg_data)) {
            byte[] code = jpeg_data.toByteArray();
            byte[] output = Base64.encode(code, Base64.NO_WRAP);
            String js_out = new String(output);
            this.callbackContext.success(js_out);
            js_out = null;
            output = null;
            code = null;
        }
    } catch (Exception e) {
        this.failPicture("Error compressing image.");
    }
    jpeg_data = null;
}