利用網(wǎng)絡(luò)請求將圖片url轉(zhuǎn)化成Bitmap
/**
* 獲取網(wǎng)絡(luò)圖片
*
* @param imageurl 圖片網(wǎng)絡(luò)地址
* @return Bitmap 返回位圖
*/
public Vector<Bitmap> GetImageInputStream(List<String> imageurl) {
Vector<Bitmap> bitmaps = new Vector<>();
new Thread(new Runnable() {
@Override public void run() {
URL url = null;
HttpURLConnection connection = null;
Bitmap bitmap = null;
for (int i = 0; i < imageurl.size(); i++) {
try {
url = new URL(imageurl.get(i));
} catch (MalformedURLException e) {
e.printStackTrace();
}
try {
connection = (HttpURLConnection) url.openConnection();
connection.setConnectTimeout(6000); //超時(shí)設(shè)置
connection.setDoInput(true);
connection.setUseCaches(false); //設(shè)置不使用緩存
connection.connect();
InputStream inputStream = connection.getInputStream();
if (inputStream==null){
throw new RuntimeException("stream is null");
}else {
try{
byte[] data=readStream(inputStream);
if (data!=null){
bitmap= BitmapFactory.decodeByteArray(data,0,data.length);
}
}catch (Exception e){
e.printStackTrace();
}
inputStream.close();
bitmaps.add(bitmap);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}).start();
System.out.println("----------------------------"+bitmaps.size());
return bitmaps;
}
獲取圖片字節(jié)流
/*
* 得到圖片字節(jié)流 數(shù)組大小
* */
public static byte[] readStream(InputStream inStream) throws Exception{
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while( (len=inStream.read(buffer)) != -1){
outStream.write(buffer, 0, len);
}
outStream.close();
inStream.close();
return outStream.toByteArray();
}
