當我打開我的畫廊以選擇秀中的照片時。我得到這個錯誤。它返回null。 這個幻燈片演示擴展ListActivity:無法加載圖片庫中的圖片
public static Bitmap getThumbnail(Uri uri, ContentResolver cr,
BitmapFactory.Options options)
{
int id = Integer.parseInt(uri.getLastPathSegment());
Bitmap bitmap = MediaStore.Images.Thumbnails.getThumbnail(cr, id,
MediaStore.Images.Thumbnails.MICRO_KIND, options);
return bitmap;
}
和這裏的另一個SlideshowEditor擴展ListActivity:
private class LoadThumbnailTask extends AsyncTask<Object,Object,Bitmap>
{
ImageView imageView; // displays the thumbnail
// load thumbnail: ImageView, MediaType and Uri as args
@Override
protected Bitmap doInBackground(Object... params)
{
imageView = (ImageView) params[0];
return Slideshow.getThumbnail((Uri) params[1],
getContentResolver(), new BitmapFactory.Options());
} // end method doInBackground
// set thumbnail on ListView
@Override
protected void onPostExecute(Bitmap result)
{
super.onPostExecute(result);
imageView.setImageBitmap(result);
} // end method onPostExecute
}
和
protected Bitmap doInBackground(Object... params)
{
imageView = (ImageView) params[0];
return Slideshow.getThumbnail((Uri) params[1],
getContentResolver(), new BitmapFactory.Options());
}
我的logcat:
而在java.util中在android.os.AsyncTask $ 3.done(AsyncTask.java:300) 執行doInBackground() 在java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355) 發生錯誤.concurrent.FutureTask.setException(FutureTask.java:222) 在java.util.concurrent.FutureTask.run(FutureTask.java:242) 在java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) java.util.concurrent.ThreadPoolExecutor $ Worker.run(ThreadPoolExecutor.java:587) at java.lang.Thread.run(Thread.java:841)導致:java.lang.NumberFormatException:Invalid int:「image: 54305「 at java.lang.Integer.invalidInt(Integer.java:137) at java.lang.Integer.pa rse(Integer.java:374) at java.lang.Integer.parseInt(Integer.java:365) at java.lang.Integer.parseInt(Integer.java:331) at com.harshadjadav.slideshow.Slideshow。 getThumbnail(Slideshow.java:328) 在com.harshadjadav.slideshow.SlideshowEditor $ LoadThumbnailTask.doInBackground(SlideshowEditor.java:225) 在com.harshadjadav.slideshow.SlideshowEditor $ LoadThumbnailTask.doInBackground(SlideshowEditor.java:215) 在android.os.AsyncTask $ 2.call(AsyncTask.java:288) 在java.util.concurrent.FutureTask.run(FutureTask.java:237) 在
java.util.concurrent.ThreadPoolExecutor.runWorker(的ThreadPoolExecutor的.java:1112)
[如何從圖庫加載圖像視圖中的圖像?](http://stackoverflow.com/questions/13023788/how-to-load-an-image-in-image-view-from-gallery) – Ironman