我有一个android,我想把一个位图的arraylist从一个活动传递到另一个。我可以这样做。
ArrayList<String> questionArray;
ArrayList<Bitmap>questionBitmap=new ArrayList<Bitmap>(); questionBitmap=loadBitmapFromAllArray(questionArray);public ArrayList<Bitmap> loadBitmapFromAllArray(ArrayList<String> questionArray)
{
URL questionUrl = null;
ArrayList<Bitmap>questionBitmap=new ArrayList<Bitmap>();
for(int b =0; b <questionArray.size(); b+=1)
{
String questionSource=questionArray.get(b);
try
{
questionUrl=new URL(questionSource);
}
catch (MalformedURLException e)
{
e.printStackTrace();
}
questionBitmap.add(getRemoteImage(questionUrl));
}
return questionBitmap;
}
public Bitmap getRemoteImage(final URL aURL) {
try {
final URLConnection conn = aURL.openConnection();
conn.connect();
final BufferedInputStream bis = new BufferedInputStream(conn.getInputStream());
final Bitmap bm = BitmapFactory.decodeStream(bis);
bis.close();
return bm;
}
catch (IOException e)
{
}
return null;
}
答案 0 :(得分:1)
Intent myIntent = new Intent(arg1.getContext(), picViewer.class);
Bundle bundle = new Bundle();
bundle.putParcelableArray("images", your_array);
myIntent.putExtras(bundle);
修改强>
这可以完成,因为Bitmap实现了Parcelable!
答案 1 :(得分:0)
我猜你的bitmaps的arraylist是一个字符串数组,文件名是位图...
从活动A发送到活动B的示例:
Intent i = new Intent (YourContext, ReceiverClass.class);
i.putExtra("bmpArray", yourBitmapArray);
context.startActivity(i);
在接收活动中:
receivingBitmapArray = getIntent().getStringArrayExtra("bmpArray");