Android 如何从api中的参数获取图像URL并将其显示到Imageview中
我正在开发一个社交网络应用程序,在这个应用程序中,我必须从服务器获取用户的详细信息。我在参数中获取用户的配置文件图像url,但在获取图像和显示它时遇到问题,因为每次它在Imageview中只显示图像url 这是我的api提要:-Android 如何从api中的参数获取图像URL并将其显示到Imageview中,android,web-services,api,image-loading,Android,Web Services,Api,Image Loading,我正在开发一个社交网络应用程序,在这个应用程序中,我必须从服务器获取用户的详细信息。我在参数中获取用户的配置文件图像url,但在获取图像和显示它时遇到问题,因为每次它在Imageview中只显示图像url 这是我的api提要:- {"post_id":"559", "userid":"11", "content":"\u0908\u092e\u093e\u0928\u0926\u093e\u0930\u0940 \u090f\u0915 \u092c\u094b\u0939\u0
{"post_id":"559",
"userid":"11",
"content":"\u0908\u092e\u093e\u0928\u0926\u093e\u0930\u0940 \u090f\u0915 \u092c\u094b\u0939\u094b\u0924 \u092e\u0939\u0902\u0917\u0940 \u091a\u0940\u095b \u0939\u0948.... \u0917\u093f\u0930\u0947 \u0939\u0941\u090f \u0932\u094b\u0917\u094b \u0938\u0947 \u0909\u0938\u0915\u0940 \u0909\u092e\u094d\u092e\u0940\u0926 \u0928\u0939\u0940\u0902 \u0915\u0930\u0928\u0940 \u091a\u093e\u0939\u093f\u090f..",
"favorite_count":"1",
"reply_count":"2",
"repost_count":"0",
"post_location":"",
"created_date":"2015-05-29 12:04:28",
"name":"devraj singh","user_image":"http:\/\/sabakuch.com\/public\/images_upload\/avatars\/ozone\/11_30_11149322_10205781000956557_74437511307260696_n.jpg",
"post_images":null,
"gender":"1"}
这是我的适配器类,我将从中获得详细信息
public class OzoneAdapter extends BaseAdapter{
ArrayList<Ozone_Beans> feedList;
LayoutInflater inflater;
Activity activity;
Context context;
ImageLoader imageloader;
public OzoneAdapter(ArrayList<Ozone_Beans> feedList, Activity activity) {
// TODO Auto-generated constructor stub
super();
this.feedList = feedList;
this.activity = activity;
inflater = (LayoutInflater )activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
imageloader = ImageLoader.getInstance();
imageloader.init(ImageLoaderConfiguration.createDefault(activity));
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return feedList.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return feedList.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
View vi = convertView;
ViewHolder holder;
if(convertView==null)
//convertView = inflater.inflate(R.layout.ozone_item, null);
convertView = inflater.inflate(R.layout.ozone_item, null);
holder = new ViewHolder();
holder.tvDate = (TextView)convertView.findViewById(R.id.ozone_name);
holder.tvContent = (TextView)convertView.findViewById(R.id.ozone_content);
holder.tvUser = (TextView)convertView.findViewById(R.id.ozone_date);
holder.image_user_image = (ImageView)convertView.findViewById(R.id.ozone_user_image);
holder.postImage = (ImageView)convertView.findViewById(R.id.ozone_post_image);
holder.tvUser.setText(feedList.get(position).getName());
holder.tvDate.setText(feedList.get(position).getCreated_date());
holder.tvContent.setText(feedList.get(position).getContent());
//imageloader.displayImage(feedList.get(position).getUser_image(), holder.image_user_image);
//imageloader.displayImage(feedList.get(position).getUser_image(), holder.image_user_image);
//holder.image_user_image.setImageURI(feedList.get(position).getUser_image());
// imageloader.displayImage(feedList.get(position).getTweet_images(), holder.postImage);
return convertView;
}
public class ViewHolder {
public ImageView image_user_image;
public ImageView postImage;
TextView tvContent , tvUser, tvDate;
}
}
公共类OzoneAdapter扩展了BaseAdapter{
ArrayList提要列表;
充气机;
活动;
语境;
图像加载器;
公用OzoneAdapter(ArrayList提要列表,活动){
//TODO自动生成的构造函数存根
超级();
this.feedList=feedList;
这个。活动=活动;
充气器=(LayoutInflater)activity.getSystemService(Context.LAYOUT\u充气器\u SERVICE);
imageloader=imageloader.getInstance();
init(ImageLoaderConfiguration.createDefault(活动));
}
@凌驾
public int getCount(){
//TODO自动生成的方法存根
返回feedList.size();
}
@凌驾
公共对象getItem(int位置){
//TODO自动生成的方法存根
返回feedList.get(位置);
}
@凌驾
公共长getItemId(int位置){
//TODO自动生成的方法存根
返回位置;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
//TODO自动生成的方法存根
视图vi=转换视图;
视窗座;
if(convertView==null)
//convertView=充气机。充气(R.layout.ozone_项,空);
convertView=充气机。充气(R.layout.ozone_项,空);
holder=新的ViewHolder();
holder.tvDate=(TextView)convertView.findViewById(R.id.u名称);
holder.tvContent=(TextView)convertView.findViewById(R.id.u内容);
holder.tvUser=(TextView)convertView.findViewById(R.id.U日期);
holder.image\u user\u image=(ImageView)convertView.findViewById(R.id.ozone\u user\u image);
holder.postImage=(ImageView)convertView.findViewById(R.id.ozone\u post\u image);
holder.tvUser.setText(feedList.get(position.getName());
holder.tvDate.setText(feedList.get(position.getCreated_date());
holder.tvContent.setText(feedList.get(position.getContent());
//imageloader.displayImage(feedList.get(position).getUser\u image(),holder.image\u user\u image);
//imageloader.displayImage(feedList.get(position).getUser\u image(),holder.image\u user\u image);
//holder.image\u user\u image.setImageURI(feedList.get(position.getUser\u image());
//imageloader.displayImage(feedList.get(position.getTweet_images(),holder.postImage);
返回视图;
}
公共类视图持有者{
公共图像查看图像用户图像;
公共图像查看后期图像;
text查看电视内容、电视用户、电视日期;
}
}
看看这一点,尝试在您的代码中实现
class Holder {
TextView tv1, tv2, tv3;
ImageView iv1, iv2;
public Holder(View v) {
tv1 = (TextView) v.findViewById(R.id.textView);
tv2 = (TextView) v.findViewById(R.id.textView2);
tv3 = (TextView)v.findViewById(R.id.tvCouponDeal);
iv1 = (ImageView)v.findViewById(R.id.imageView3);
iv2 = (ImageView)v.findViewById(R.id.imageView4);
}
}
class MyAdapter extends ArrayAdapter<String> {
Context context;
private ImageLoadingListener animateFirstListener;
public MyAdapter(Context context, int resource) {
super(context, resource);
this.context = context;
}
@Override
public int getCount() {
return categoryList.size();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View dataRow = convertView;
Holder holder = null;
if (dataRow == null) {
LayoutInflater inflater = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
dataRow = inflater.inflate(R.layout.category_items_cell, parent, false);
holder = new Holder(dataRow);
dataRow.setTag(holder);
} else {
holder = (Holder) dataRow.getTag();
}
holder.tv1.setText(categoryList.get(position).getMerchantName());
holder.tv2.setText(categoryList.get(position).getVoucherOfferlogo());
holder.tv3.setText(categoryList.get(position).getOffertype());
if(categoryList.get(position).getIsexclusive().equals("1"))
holder.iv2.setImageResource(R.drawable.fav_selected);
ImageLoader.getInstance().displayImage(categoryList.get(position).getMerchantStanderedimage(), holder.iv1, options, animateFirstListener);
return dataRow;
}
}
private static class AnimateFirstDisplayListener extends SimpleImageLoadingListener {
static final List<String> displayedImages = Collections.synchronizedList(new LinkedList<String>());
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
if (loadedImage != null) {
ImageView imageView = (ImageView) view;
boolean firstDisplay = !displayedImages.contains(imageUri);
if (firstDisplay) {
displayedImages.add(imageUri);
}
}
}
}
类持有者{
文本视图tv1、tv2、tv3;
图像视图iv1、iv2;
公众持有人(视图五){
tv1=(TextView)v.findViewById(R.id.TextView);
tv2=(TextView)v.findViewById(R.id.textView2);
tv3=(TextView)v.findViewById(R.id.tvCouponDeal);
iv1=(ImageView)v.findViewById(R.id.imageView3);
iv2=(ImageView)v.findViewById(R.id.imageView4);
}
}
类MyAdapter扩展了ArrayAdapter{
语境;
私有ImageLoadingListener animateFirstListener;
公共MyAdapter(上下文,int资源){
超级(上下文、资源);
this.context=上下文;
}
@凌驾
public int getCount(){
返回categoryList.size();
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
查看数据行=转换视图;
Holder=null;
if(dataRow==null){
LayoutFlater充气器=(LayoutFlater)getActivity().getSystemService(Context.LAYOUT\u充气器\u服务);
dataRow=充气机。充气(R.layout.category\u items\u单元格,父项,false);
持有人=新持有人(数据行);
dataRow.setTag(持有者);
}否则{
holder=(holder)dataRow.getTag();
}
holder.tv1.setText(categoryList.get(position.getMerchantName());
holder.tv2.setText(categoryList.get(position.getVoucherOfferlogo());
holder.tv3.setText(categoryList.get(position.getOffertype());
if(categoryList.get(position.getIsexclusive().equals(“1”))
holder.iv2.setImageResource(R.drawable.fav_选择);
ImageLoader.getInstance().displayImage(categoryList.get(position).getMerchantStanderedimage(),holder.iv1,options,animateFirstListener);
返回数据行;
}
}
私有静态类AnimateFirstDisplayListener扩展了SimpleMapgeLoadingListener{
静态最终列表displayedImage=Collections.synchronizedList(新LinkedList());
@凌驾
public void onLoadingComplete(字符串imageUri、视图视图、位图加载图像){
如果(LoadeImage!=null){
ImageView ImageView=(ImageView)视图;
布尔值firstDisplay=!displayedImages.contains(imageUri);
如果(第一次显示){
displayedImages.add(imageUri);
}
}
}
}
看看这一点,尝试在您的代码中实现
class Holder {
TextView tv1, tv2, tv3;
ImageView iv1, iv2;
public Holder(View v) {
tv1 = (TextView) v.findViewById(R.id.textView);
tv2 = (TextView) v.findViewById(R.id.textView2);
tv3 = (TextView)v.findViewById(R.id.tvCouponDeal);
iv1 = (ImageView)v.findViewById(R.id.imageView3);
iv2 = (ImageView)v.findViewById(R.id.imageView4);
}
}
class MyAdapter extends ArrayAdapter<String> {
Context context;
private ImageLoadingListener animateFirstListener;
public MyAdapter(Context context, int resource) {
super(context, resource);
this.context = context;
}
@Override
public int getCount() {
return categoryList.size();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View dataRow = convertView;
Holder holder = null;
if (dataRow == null) {
LayoutInflater inflater = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
dataRow = inflater.inflate(R.layout.category_items_cell, parent, false);
holder = new Holder(dataRow);
dataRow.setTag(holder);
} else {
holder = (Holder) dataRow.getTag();
}
holder.tv1.setText(categoryList.get(position).getMerchantName());
holder.tv2.setText(categoryList.get(position).getVoucherOfferlogo());
holder.tv3.setText(categoryList.get(position).getOffertype());
if(categoryList.get(position).getIsexclusive().equals("1"))
holder.iv2.setImageResource(R.drawable.fav_selected);
ImageLoader.getInstance().displayImage(categoryList.get(position).getMerchantStanderedimage(), holder.iv1, options, animateFirstListener);
return dataRow;
}
}
private static class AnimateFirstDisplayListener extends SimpleImageLoadingListener {
static final List<String> displayedImages = Collections.synchronizedList(new LinkedList<String>());
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
if (loadedImage != null) {
ImageView imageView = (ImageView) view;
boolean firstDisplay = !displayedImages.contains(imageUri);
if (firstDisplay) {
displayedImages.add(imageUri);
}
}
}
}
类持有者{
文本视图tv1、tv2、tv3;
图像视图iv1、iv2;
公众持有人(视图五){
tv1=(TextView)v.findViewById(R.id.TextView);
tv2=(TextView)v.findViewById(R.id.textView2);
tv3=(TextView)v.findViewById(R.id.tvCouponDeal);
iv1=(ImageView)v.findViewById(R.id.imageView3);
iv2=(ImageView)v.findViewById(R.id.imageView4);
}
}
类MyAdapter扩展了ArrayAdapter{
语境;
私有图像加载