撮影したばかりの写真を指定した場所にコピーするAsyncTaskがあり、元の写真が削除されます。ただし、ほとんどの場合、エラーが発生し続けます。
final String[] projection = { MediaStore.Images.ImageColumns.SIZE,
MediaStore.Images.ImageColumns.DISPLAY_NAME,
MediaStore.Images.ImageColumns.DATA,
BaseColumns._ID,};
u = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
boolean found = false;
if (CurrentFile != null)
{
if ((u != null) && (CurrentFile.length() > 0))
{
Looper.prepare();
getSupportLoaderManager().initLoader(0, null, new LoaderCallbacks<Cursor>(){
public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
CursorLoader loader = new CursorLoader(ExpenseReport.this, u, projection, null, null, null);
return loader;
}
public void onLoadFinished(Loader<Cursor> arg0, Cursor c) {
if ((c != null) && (c.moveToFirst())){
do
{
for (String sGallery : GlobalInfo.GalleryList){
if (sGallery.equalsIgnoreCase(c.getString(1))){
found = true;
break;
}
}
if (!found){
File f = new File(c.getString(2));
if ((f.exists()) && (CurrentFile.length() < c.getLong(0)) && (CurrentFile.delete())){
try
{
CurrentFile.createNewFile();
FileChannel source = null;
FileChannel destination = null;
try{
source = new FileInputStream(f).getChannel();
destination = new FileOutputStream(CurrentFile).getChannel();
destination.transferFrom(source, 0, source.size());
}
finally{
if (source != null)
source.close();
if (destination != null)
destination.close();
}
}
catch (IOException e)
{
e.printStackTrace();
GlobalInfo.LOG("", "Couldn't Copy The File");
}
}
ContentResolver cr = getContentResolver();
Bitmap bitmap=null;
try {
bitmap = android.provider.MediaStore.Images.Media.getBitmap(cr, CurrentUri);
} catch (FileNotFoundException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
}
if(bitmap.getWidth()<2000)
bitmap = Bitmap.createScaledBitmap(bitmap, bitmap.getWidth(), bitmap.getHeight(), false);
else
bitmap = Bitmap.createScaledBitmap(bitmap, 2000, 2000, false);
try {
FileOutputStream out = new FileOutputStream(CurrentFile);
bitmap.compress(Bitmap.CompressFormat.JPEG, 80, out);
} catch (Exception e) {
e.printStackTrace();
}
cr.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
BaseColumns._ID + "=" + c.getString(3), null);
break;
}
}
while (c.moveToNext());
}
}
public void onLoaderReset(Loader<Cursor> arg0) {
}
});
Looper.loop();
}
}
これは私が得ているエラーです：
07-26 09:38:58.060: E/CursorWindow(1566): Bad request for field slot 0,1. numRows = 14, numColumns = 1
07-26 09:38:58.107: W/dalvikvm(1566): threadid=10: thread exiting with uncaught exception (group=0x40015578)
07-26 09:38:58.142: E/AndroidRuntime(1566): FATAL EXCEPTION: AsyncTask #1
07-26 09:38:58.142: E/AndroidRuntime(1566): java.lang.RuntimeException: An error occured while executing doInBackground()
07-26 09:38:58.142: E/AndroidRuntime(1566): at android.os.AsyncTask$3.done(AsyncTask.java:200)
07-26 09:38:58.142: E/AndroidRuntime(1566): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:274)
07-26 09:38:58.142: E/AndroidRuntime(1566): at java.util.concurrent.FutureTask.setException(FutureTask.java:125)
07-26 09:38:58.142: E/AndroidRuntime(1566): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308)
07-26 09:38:58.142: E/AndroidRuntime(1566): at java.util.concurrent.FutureTask.run(FutureTask.java:138)
07-26 09:38:58.142: E/AndroidRuntime(1566): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
07-26 09:38:58.142: E/AndroidRuntime(1566): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
07-26 09:38:58.142: E/AndroidRuntime(1566): at java.lang.Thread.run(Thread.java:1019)
07-26 09:38:58.142: E/AndroidRuntime(1566): Caused by: java.lang.IllegalStateException: get field slot from row 0 col 1 failed
07-26 09:38:58.142: E/AndroidRuntime(1566): at android.database.CursorWindow.getString_native(Native Method)
07-26 09:38:58.142: E/AndroidRuntime(1566): at android.database.CursorWindow.getString(CursorWindow.java:361)
07-26 09:38:58.142: E/AndroidRuntime(1566): at android.database.AbstractWindowedCursor.getString(AbstractWindowedCursor.java:49)
07-26 09:38:58.142: E/AndroidRuntime(1566): at android.database.CursorWrapper.getString(CursorWrapper.java:135)
07-26 09:38:58.142: E/AndroidRuntime(1566): at com.report.expense.ExpenseReport$FinishPhotoTask$1.onLoadFinished(ExpenseReport.java:1131)
07-26 09:38:58.142: E/AndroidRuntime(1566): at com.report.expense.ExpenseReport$FinishPhotoTask$1.onLoadFinished(ExpenseReport.java:1)
07-26 09:38:58.142: E/AndroidRuntime(1566): at android.support.v4.app.LoaderManagerImpl$LoaderInfo.callOnLoadFinished(LoaderManager.java:425)
07-26 09:38:58.142: E/AndroidRuntime(1566): at android.support.v4.app.LoaderManagerImpl.initLoader(LoaderManager.java:559)
07-26 09:38:58.142: E/AndroidRuntime(1566): at com.report.expense.ExpenseReport$FinishPhotoTask.doInBackground(ExpenseReport.java:1115)
07-26 09:38:58.142: E/AndroidRuntime(1566): at com.report.expense.ExpenseReport$FinishPhotoTask.doInBackground(ExpenseReport.java:1)
07-26 09:38:58.142: E/AndroidRuntime(1566): at android.os.AsyncTask$2.call(AsyncTask.java:185)
07-26 09:38:58.142: E/AndroidRuntime(1566): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
07-26 09:38:58.142: E/AndroidRuntime(1566): ... 4 more
（ExpenseReport.java:1115）：
getSupportLoaderManager().initLoader(0, null, new LoaderCallbacks<Cursor>(){
（ExpenseReport.java：1131）：
if (sGallery.equalsIgnoreCase(c.getString(1))){
編集：写真を撮る前後の写真名のリストを比較して、撮ったばかりの写真のサイズ、名前、場所、IDを取得しようとしています。問題は、このコードが正常に機能する場合と、このエラーが発生する場合があることです。