android从URL don'加载图像;行不通
我无法从URL加载图像,指令InputStream为=(InputStream)新URL(URL).getContent();抓住一个例外 URl是有效的,也许我忘了什么 我的活动:android从URL don'加载图像;行不通,android,url,imageview,Android,Url,Imageview,我无法从URL加载图像,指令InputStream为=(InputStream)新URL(URL).getContent();抓住一个例外 URl是有效的,也许我忘了什么 我的活动: @Override public View getView(int position, View convertView, ViewGroup parent) { LayoutInflater inflater = (LayoutInflater) context.getSystemService(C
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View rowView = inflater.inflate(rowResourceId, parent, false);
ImageView imageView = (ImageView) rowView.findViewById(R.id.imageView);
TextView textView = (TextView) rowView.findViewById(R.id.textView);
int id = Integer.parseInt(Ids[position]);
String imageFile = Model.GetbyId(id).IconFile;
Drawable drawable = LoadImageFromWebOperations("http://www.androidpeople.com/wp-content/uploads/2010/03/android.png");
imageView.setImageDrawable(drawable);
textView.setText(Model.GetbyId(id).Name);
return rowView;
}
private Drawable LoadImageFromWebOperations(String url)
{
try{
InputStream is = (InputStream) new URL(url).getContent();
Drawable d = Drawable.createFromStream(is, "src name");
return d;
}catch (Exception e) {
System.out.println("Exc="+e);
return null;
}
}
}
这是我的许可证:
<uses-sdk
android:minSdkVersion="10"
android:targetSdkVersion="10" />
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="yourello.maga.SplashActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="yourello.maga.MainActivity"
android:label="@string/app_name" />
<activity
android:name="yourello.maga.listGallery"
android:label="@string/app_name" />
</application>
怎么了?使用通用图像加载器下载图像它会自动处理所有事情,这是链接,它还负责图像缓存。使用毕加索:
Picasso.with(context.this).load("http://www.androidpeople.com/wp-content/uploads/2010/03/android.png").into(imageView);
它还自动处理缓存 您是否尝试过BitmapFactory.decodeStream?