Java Code Examples for com.android.volley.toolbox.ImageLoader#get()

/******************** Custom Functions *************************/
private void setupProfileImage()
{

    String Base64=pref.getString("Profile_Image",null);
    if(!(pref.getString("Profile_Image",null).equals("null"))){
        //Get the Image from base64 string stored in the prefs
        //This is the case when the user has a custom profile image
        Log.d(TAG,"User has custom profile image");
        base64ToBitmap(Base64);
    }
    else {
        String img_url = String.format("https://graph.facebook.com/%s/picture?type=large", pref.getString("Id", "null"));
        Log.d(TAG,"Image Url for ImageLoader is"+img_url);
        ImageLoader mImageLoader = VolleySingleton.getInstance(getApplicationContext()).getImageLoader();
        mImageLoader.get(img_url, ImageLoader.getImageListener(profile_image,
                R.drawable.ic_person_black_36dp, R.drawable.ic_person_black_36dp));
    }
}
 

public void btnClick5(View view){
    ImageLoader loader = new ImageLoader(queue,new BitmapCache(this));

    /**
     * 参数2：默认图片
     * 参数3：错误图片
     */
    ImageLoader.ImageListener imageListener = ImageLoader.getImageListener(iv,
            R.mipmap.ic_launcher,
            R.mipmap.ic_launcher);

    loader.get("http://cdn8.staztic.com/app/a/5993/5993203/volley-17-l-280x280.png",imageListener);
}
 

public VolleyDataSource(
    final ImageLoader imageLoader,
    final Uri imageRequest,
    final boolean bitmapCacheOnly) {

  // TODO: add VolleyImageRequest {uri, resizeOptions, bitmapCacheOnly, ...}
  String uriString = imageRequest.toString();
  int maxWidth = 0;
  int maxHeight = 0;

  if (bitmapCacheOnly) {
    if (!imageLoader.isCached(uriString, maxWidth, maxHeight)) {
      mImageContainer = null;
      setFailure(new NullPointerException("Image not found in bitmap-cache."));
      return;
    }
  }

  mImageContainer = imageLoader.get(
      uriString,
      new ImageLoader.ImageListener() {
        @Override
        public void onErrorResponse(VolleyError error) {
          setFailure(error.getCause());
        }
        @Override
        public void onResponse(final ImageLoader.ImageContainer response, boolean isImmediate) {
          if (response.getBitmap() != null) {
            setResult(response.getBitmap(), true);
          }
        }
      },
      maxWidth,
      maxHeight);
}
 

private void get_imageloader()
{
    textview.setText("获取图片开始了");
    networkImageView.setImageBitmap(null);
    imageView.setImageBitmap(null);
    String url = "http://g.hiphotos.baidu.com/image/pic/item/21a4462309f790521631d9e908f3d7ca7bcbd53f.jpg";

    ImageLoader loader = new ImageLoader(MyApplication.getHttpQueues(), new BitmapCache());
    ImageLoader.ImageListener listener = ImageLoader.getImageListener(imageView, R.drawable.default_icon , R.drawable.error );

    loader.get(url, listener);

}
 

private void UseImageLoader() {
    ImageLoader imageLoader = new ImageLoader(mQueue, new BitmapCache());
    ImageLoader.ImageListener listener = ImageLoader.getImageListener(iv_image, R.drawable.ico_default, R.drawable.ico_default);
    imageLoader.get("http://img.my.csdn.net/uploads/201603/26/1458988468_5804.jpg", listener);
}
 

public void getImage(ImageView imageView, String url) {
    ImageLoader imageLoader = new ImageLoader(mRequestQueue, new BitmapCache());
    ImageLoader.ImageListener listener = ImageLoader.getImageListener(imageView,
            R.drawable.default_picture, R.drawable.default_picture);
    imageLoader.get(url, listener);
}
 

public void getImage(ImageView imageView, String url) {
    ImageLoader imageLoader = new ImageLoader(mRequestQueue, new BitmapCache());
    ImageLoader.ImageListener listener = ImageLoader.getImageListener(imageView,
            R.drawable.default_picture, R.drawable.default_picture);
    imageLoader.get(url, listener);
}
 

@Override
        public Drawable getDrawable(final String source) {
            final DrawableWrapper imgDrawable = new DrawableWrapper();

            // 设置默认图
            Drawable dfDrawable = getResources().getDrawable(R.mipmap.ic_launcher);
            Rect dfRect = new Rect(0, 0, tv.getMeasuredWidth(), (int) getResources().getDimension(R.dimen.imhH));
            dfDrawable.setBounds(dfRect);
            imgDrawable.setBounds(dfRect);
            imgDrawable.setDrawable(dfDrawable);

            // 加载图片,
            // 如果是使用ImageLoader加载图片，那么请不要使用单例方式实现的ImageLoader.ImageCache，否则回出现bitmap释放不了，重新进入界面，图片不显示的问题
            RequestQueue queue = Volley.newRequestQueue(MainActivity.this);
            ImageLoader loader = new ImageLoader(queue, new BitmapCache());
            loader.get(source, new ImageLoader.ImageListener() {
                @Override
                public void onResponse(ImageLoader.ImageContainer response, boolean isImmediate) {
                    Bitmap bm = response.getBitmap();
                    if (bm != null) {
                        Log.d("TAG", "bitmapH = " + bm.getWidth() + "/" + bm.getHeight());
                        int tvWidth = tv.getMeasuredWidth();

                        Drawable bd = new BitmapDrawable(bm);
                        Rect rect = new Rect(0, 0, tvWidth, tvWidth * bm.getHeight() / bm.getWidth());
//                        Rect rect = new Rect(0, 0, bm.getWidth(), bm.getHeight());
                        bd.setBounds(rect);
                        imgDrawable.setBounds(rect);
                        imgDrawable.setDrawable(bd);
                        Log.d("TAG", "tvH = " + tv.getMeasuredHeight() + ", hashCode = " + tv.hashCode());
//                        int tvH = tv.getHeight() + bm.getHeight();
                        int tvH = tv.getHeight() + rect.bottom;
                        ViewGroup.LayoutParams lp = tv.getLayoutParams();
                        lp.height = tvH;
                        tv.setLayoutParams(lp);
                        tv.setMaxHeight(tvH);  // 更新textview高度
//                        Log.d("TAG", "TVH = " + tvH);
                        tv.postInvalidate();    // 刷新view
                    } else {
//                        Drawable drawable = getResources().getDrawable(Resource.drawable.dgcs_ic_default);
//                        imgDrawable.setDrawable(drawable);
//                        tv.postInvalidate();    // 刷新view
                    }
                }

                @Override
                public void onErrorResponse(VolleyError error) {
//                    Drawable drawable = getResources().getDrawable(Resource.drawable.dgcs_ic_default);
//                    imgDrawable.setDrawable(drawable);
//                    tv.postInvalidate();    // 刷新view
                }
            });


            return imgDrawable;
        }
 

/**
 * 加载网络图片到ImageView
 * 
 * @param iv
 *            ImageView实例
 * @param url
 *            url地址
 */
public void loadImage(ImageView iv, String url) {
    ImageLoader imageLoader = new ImageLoader(requestQueue, new BitmapCache());
    ImageListener listener = ImageLoader.getImageListener(iv, R.drawable.icon_default, R.drawable.icon_default);
    imageLoader.get(url, listener);
}