空指针闪退问题

[Wangct23]

java.lang.RuntimeException: An error occured while executing doInBackground()
	at android.os.AsyncTask$3.done(AsyncTask.java:304)
	at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
	at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
	at java.util.concurrent.FutureTask.run(FutureTask.java:242)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
	at java.lang.Thread.run(Thread.java:818)
Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'int android.database.Cursor.getCount()' on a null object reference
	at com.imnjh.imagepicker.loader.AlbumLoader.loadInBackground(AlbumLoader.java:48)
	at com.imnjh.imagepicker.loader.AlbumLoader.loadInBackground(AlbumLoader.java:16)
	at android.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:312)
	at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:69)
	at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:57)
	at android.os.AsyncTask$2.call(AsyncTask.java:292)
	at java.util.concurrent.FutureTask.run(FutureTask.java:237)
	... 3 more
java.lang.NullPointerException: Attempt to invoke interface method 'int android.database.Cursor.getCount()' on a null object reference
	at com.imnjh.imagepicker.loader.AlbumLoader.loadInBackground(AlbumLoader.java:48)
	at com.imnjh.imagepicker.loader.AlbumLoader.loadInBackground(AlbumLoader.java:16)
	at android.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:312)
	at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:69)
	at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:57)
	at android.os.AsyncTask$2.call(AsyncTask.java:292)
	at java.util.concurrent.FutureTask.run(FutureTask.java:237)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
	at java.lang.Thread.run(Thread.java:818)

酷派 1501_M02 手机 5.1系统