android : deleting an image
Use the code below, it may help you.
File fdelete = new File(file_dj_path);
if (fdelete.exists()) {
if (fdelete.delete()) {
System.out.println("file Deleted :" + file_dj_path);
} else {
System.out.println("file not Deleted :" + file_dj_path);
}
}
to refresh gallery after deleting image use below code for send Broadcast
(for < KITKAT API 14)
sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED,
Uri.parse("file://" + Environment.getExternalStorageDirectory())));
For >= KITKAT API 14 use below code
MediaScannerConnection.scanFile(this, new String[] { Environment.getExternalStorageDirectory().toString() }, null, new MediaScannerConnection.OnScanCompletedListener() {
/*
* (non-Javadoc)
* @see android.media.MediaScannerConnection.OnScanCompletedListener#onScanCompleted(java.lang.String, android.net.Uri)
*/
public void onScanCompleted(String path, Uri uri)
{
Log.i("ExternalStorage", "Scanned " + path + ":");
Log.i("ExternalStorage", "-> uri=" + uri);
}
});
Because:
ACTION_MEDIA_MOUNTED
is deprecated in KITKAT(API 14).
EDITED 04-09-2015
its working fine check below code
public void deleteImage() {
String file_dj_path = Environment.getExternalStorageDirectory() + "/ECP_Screenshots/abc.jpg";
File fdelete = new File(file_dj_path);
if (fdelete.exists()) {
if (fdelete.delete()) {
Log.e("-->", "file Deleted :" + file_dj_path);
callBroadCast();
} else {
Log.e("-->", "file not Deleted :" + file_dj_path);
}
}
}
public void callBroadCast() {
if (Build.VERSION.SDK_INT >= 14) {
Log.e("-->", " >= 14");
MediaScannerConnection.scanFile(this, new String[]{Environment.getExternalStorageDirectory().toString()}, null, new MediaScannerConnection.OnScanCompletedListener() {
/*
* (non-Javadoc)
* @see android.media.MediaScannerConnection.OnScanCompletedListener#onScanCompleted(java.lang.String, android.net.Uri)
*/
public void onScanCompleted(String path, Uri uri) {
Log.e("ExternalStorage", "Scanned " + path + ":");
Log.e("ExternalStorage", "-> uri=" + uri);
}
});
} else {
Log.e("-->", " < 14");
sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED,
Uri.parse("file://" + Environment.getExternalStorageDirectory())));
}
}
below is logs
09-04 14:27:11.085 8290-8290/com.example.sampleforwear E/-->﹕ file Deleted :/storage/emulated/0/ECP_Screenshots/abc.jpg
09-04 14:27:11.085 8290-8290/com.example.sampleforwear E/-->﹕ >= 14
09-04 14:27:11.152 8290-8290/com.example.sampleforwear E/﹕ appName=com.example.sampleforwear, acAppName=/system/bin/surfaceflinger
09-04 14:27:11.152 8290-8290/com.example.sampleforwear E/﹕ 0
09-04 14:27:15.249 8290-8302/com.example.sampleforwear E/ExternalStorage﹕ Scanned /storage/emulated/0:
09-04 14:27:15.249 8290-8302/com.example.sampleforwear E/ExternalStorage﹕ -> uri=content://media/external/file/2416
How do I remove an image-system for avd file in Android Studio?
After selecting show hidden files option from windows explorer, go to the location where Android SDK is installed. Then open system-images folder. You will see a folder named as the api level same as jelly bean. Just remove that folder.
How to delete image file from Android Internal when path is stored in SQLite DB
When you want delete some file in your storage, Just do this.
File file = new File(yourFilePathHere);
deleted = file.delete();
I am considering you have required permissions because you are able to write files in storage.
Edit
You are using MediaStore
for getting images. So now when you want delete file you should delete file from MediaStore
also. I have a method which will help you.
public static int deleteFileFromMediaStore(final ContentResolver contentResolver, final File file) {
String canonicalPath;
try {
canonicalPath = file.getCanonicalPath();
} catch (IOException e) {
canonicalPath = file.getAbsolutePath();
}
final Uri uri = MediaStore.Files.getContentUri("external");
final int result = contentResolver.delete(uri,
MediaStore.Files.FileColumns.DATA + "=?", new String[]{canonicalPath});
if (result == 0) {
final String absolutePath = file.getAbsolutePath();
if (!absolutePath.equals(canonicalPath)) {
int deletedRow = contentResolver.delete(uri,
MediaStore.Files.FileColumns.DATA + "=?", new String[]{absolutePath});
return deletedRow;
}
} else return result;
return result;
}
Call it in your Activity
like
deleteFileFromMediaStore(getContentResolver(), fileToDelete)
Note Check if you are getting absolute path by MediaStore
. Here is my method to get all gallery images if you have problem with your code.
public static ArrayList<ModelBucket> getImageBuckets(Context context) {
ArrayList<ModelBucket> list = new ArrayList<>();
String absolutePathOfImage;
String absoluteFolder;
boolean same_folder = false;
int pos = 0;
Uri uri;
Cursor cursor;
int column_index_data, column_index_folder_name;
uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
String[] projection = {MediaStore.MediaColumns.DATA, MediaStore.Images.Media.BUCKET_DISPLAY_NAME};
final String orderBy = MediaStore.Images.Media.DATE_TAKEN;
cursor = context.getContentResolver().query(uri, projection, null, null, orderBy + " DESC");
if (cursor == null) return null;
column_index_data = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
column_index_folder_name = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.BUCKET_DISPLAY_NAME);
while (cursor.moveToNext()) {
absolutePathOfImage = cursor.getString(column_index_data);
absoluteFolder = cursor.getString(column_index_folder_name);
Log.d("Column", absolutePathOfImage);
Log.d("Folder", absoluteFolder);
for (int i = 0; i < list.size(); i++) {
if (list.get(i).getFolderName().equals(absoluteFolder)) {
same_folder = true;
pos = i;
break;
} else {
same_folder = false;
}
}
if (same_folder) {
ArrayList<String> al_path = new ArrayList<>(list.get(pos).getAllFilesPath());
al_path.add(absolutePathOfImage);
list.get(pos).setAllFilesPath(al_path);
} else {
ArrayList<String> al_path = new ArrayList<>();
al_path.add(absolutePathOfImage);
ModelBucket modelBucket = new ModelBucket();
modelBucket.setFolderName(absoluteFolder);
modelBucket.setAllFilesPath(al_path);
list.add(modelBucket);
}
}
return list;
}
here ModelBucket.class
is a model class.
public class ModelBucket {
String folderName;
ArrayList<String> allFilesPath;
ArrayList<ModelFile> files;
// make getter setter
}
Delete image after it was uploaded
I see that you have member variable Uri photoURI
only meant for deleting the file. Instead make photoFile
member variable and call photoFile.delete()
after you upload the file.
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