//urlPath:鏈嶅姟鍣ㄨ礬寰?
public InputStream getUrlInputStream(String urlPath) throws IOException{
URL url=new URL(urlPath);
HttpURLConnection conn=(HttpURLConnection) url.openConnection();
InputStream in=conn.getInputStream();
if(in!=null){
return in;
}else{
Log.i("test", "杈撳叆嫻佸璞′負絀?);
return null;
}
}
錛堜簩錛夊皢杈撳叆嫻佽漿鍖栦負Bitmap嫻?br />public Bitmap getMyBitmap(InputStream in){
Bitmap bitmap=null;
if(in!=null){
bitmap=BitmapFactory.decodeStream(in);
//BitmapFactory鐨勪綔鐢細create Bitmap objects from various sources,including files,streams and byte-arrays;
return bitmap;
}else{
Log.i("test", "杈撳叆嫻佸璞n涓虹┖");
return null;
}
}
錛堜笁錛夌粰ImageView瀵硅薄璧嬪?br />public void setWidgetImage(Bitmap bitmap){
ImageView img=new ImageView(this);
if(bitmap!=null){
img.setImageBitmap(bitmap);
}
}
錛堝洓錛夎幏鍙朣D鍗′笂鐨勬枃浠跺瓨鍌ㄨ礬寰?br />public void createSDFile(){
File sdroot=Environment.getExternalStorageDirectory();
File file=new File(sdroot+"/Android/date/鍖呭悕/鏂囦歡鍚?);
if(Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())){
/**
* 鐩稿叧鎿嶄綔
*/
}
}
娉ㄦ剰:SD鍗＄殑鏉冮檺
錛堜簲錛夊皢鍥劇墖淇濆瓨鍒癝D鍗′笂
public boolean readToSDCard(File file,Bitmap bitmap) throws FileNotFoundException{
FileOutputStream os=new FileOutputStream(file);
return bitmap.compress(Bitmap.CompressFormat.PNG, 90, os);
//bitmap.compress()鐨勪綔鐢?write a compressed version of the bitmap to the specified outputstream;
//true:琛ㄧず鎿嶄綔鎴愬姛錛宖alse:琛ㄧず鎿嶄綔澶辮觸
}
]]>