我正在尝试将 API 级别 28 更新到 30。这是一个照片编辑器项目。该应用程序已成功运行，但是从本地存储中为作物挑选照片时，该应用程序无法正常工作，并且我看到了此错误。“打开失败：EACCES（权限被拒绝）”当我尝试使用 API 28 等旧 API 时，该应用程序运行正常。我检查了 Logcat 并没有找到任何解决方案。另外，我正在尝试改善我的清单许可。但清单权限是可以的。我认为问题出在java代码或方法之下。
请任何人帮助我。
日志猫：
java.io.FileNotFoundException: open failed: EACCES (Permission denied)
at android.os.ParcelFileDescriptor.openInternal(ParcelFileDescriptor.java:315)
at android.os.ParcelFileDescriptor.open(ParcelFileDescriptor.java:220)
at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:1505)
at android.content.ContentResolver.openFileDescriptor(ContentResolver.java:1345)
at android.content.ContentResolver.openFileDescriptor(ContentResolver.java:1293)
at com.yalantis.ucrop.task.BitmapLoadTask.doInBackground(BitmapLoadTask.java:101)
at com.yalantis.ucrop.task.BitmapLoadTask.doInBackground(BitmapLoadTask.java:45)
at android.os.AsyncTask$3.call(AsyncTask.java:378)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:289)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:919)
爪哇：
public class BitmapLoadTask extends AsyncTask<Void, Void, BitmapLoadTask.BitmapWorkerResult> {
private static final String TAG = "BitmapWorkerTask";
private final Context mContext;
private Uri mInputUri;
private Uri mOutputUri;
private final int mRequiredWidth;
private final int mRequiredHeight;
private final BitmapLoadCallback mBitmapLoadCallback;
public static class BitmapWorkerResult {
Bitmap mBitmapResult;
ExifInfo mExifInfo;
Exception mBitmapWorkerException;
public BitmapWorkerResult(@NonNull Bitmap bitmapResult, @NonNull ExifInfo exifInfo) {
mBitmapResult = bitmapResult;
mExifInfo = exifInfo;
}
public BitmapWorkerResult(@NonNull Exception bitmapWorkerException) {
mBitmapWorkerException = bitmapWorkerException;
}
}
public BitmapLoadTask(@NonNull Context context,
@NonNull Uri inputUri, @Nullable Uri outputUri,
int requiredWidth, int requiredHeight,
BitmapLoadCallback loadCallback) {
mContext = context;
mInputUri = inputUri;
mOutputUri = outputUri;
mRequiredWidth = requiredWidth;
mRequiredHeight = requiredHeight;
mBitmapLoadCallback = loadCallback;
}
@Override
@NonNull
protected BitmapWorkerResult doInBackground(Void... params) {
if (mInputUri == null) {
return new BitmapWorkerResult(new NullPointerException("Input Uri cannot be null"));
}
try {
processInputUri();
} catch (NullPointerException | IOException e) {
return new BitmapWorkerResult(e);
}
final ParcelFileDescriptor parcelFileDescriptor;
try {
parcelFileDescriptor = mContext.getContentResolver().openFileDescriptor(mInputUri, "r");
} catch (FileNotFoundException e) {
return new BitmapWorkerResult(e);
}
final FileDescriptor fileDescriptor;
if (parcelFileDescriptor != null) {
fileDescriptor = parcelFileDescriptor.getFileDescriptor();
} else {
return new BitmapWorkerResult(new NullPointerException("ParcelFileDescriptor was null for given Uri: [" + mInputUri + "]"));
}
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFileDescriptor(fileDescriptor, null, options);
if (options.outWidth == -1 || options.outHeight == -1) {
return new BitmapWorkerResult(new IllegalArgumentException("Bounds for bitmap could not be retrieved from the Uri: [" + mInputUri + "]"));
}
options.inSampleSize = BitmapLoadUtils.calculateInSampleSize(options, mRequiredWidth, mRequiredHeight);
options.inJustDecodeBounds = false;
Bitmap decodeSampledBitmap = null;
boolean decodeAttemptSuccess = false;
while (!decodeAttemptSuccess) {
try {
decodeSampledBitmap = BitmapFactory.decodeFileDescriptor(fileDescriptor, null, options);
decodeAttemptSuccess = true;
} catch (OutOfMemoryError error) {
Log.e(TAG, "doInBackground: BitmapFactory.decodeFileDescriptor: ", error);
options.inSampleSize *= 2;
}
}