If not, you need to ask the user to grant your app a permission: ... Android 6.0 Marshmallow introduces one of the largest changes to the permissions model ...
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StoragepermissionerrorinMarshmallow
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Asked
6years,1monthago
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11monthsago
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InLollipop,thedownloadfunctionalityworksfineinmyapp,butwhenIupgradedtoMarshmallow,myappcrashesandgivesthiserrorwhenItrytodownloadfromtheinternetintotheSDcard:
Neitherusernorcurrentprocesshasandroid.permission.WRITE_EXTERNAL_STORAGE
Itcomplainsaboutthislineofcode:
DownloadManagermanager=(DownloadManager)getSystemService(Context.DOWNLOAD_SERVICE);
manager.enqueue(request);
Ihavethepermissionsinthemanifestoutsideapplication:
Icleanedandrebuilttheproject,butitstillcrashes.
androidpermissionsandroid-6.0-marshmallow
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editedMar8'18at6:31
VaradMondkar
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askedOct16'15at3:35
fullmoonfullmoon
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2
Trythisitmaybehelpyou:-stackoverflow.com/a/41221852/5488468
– BipinBharti
Dec20'16at11:00
Ihavepreparedalibrarywhichwillhelptohandleruntimepermissionseasily.github.com/nabinbhandari/Android-Permissions
– NabinBhandari
Oct6'17at3:24
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15Answers
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382
Youshouldbecheckingiftheuserhasgrantedpermissionofexternalstoragebyusing:
if(checkSelfPermission(android.Manifest.permission.WRITE_EXTERNAL_STORAGE)==PackageManager.PERMISSION_GRANTED){
Log.v(TAG,"Permissionisgranted");
//Filewritelogichere
returntrue;
}
Ifnot,youneedtoasktheusertograntyourappapermission:
ActivityCompat.requestPermissions(this,newString[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},REQUEST_CODE);
OfcoursetheseareformarshmallowdevicesonlysoyouneedtocheckifyourappisrunningonMarshmallow:
if(Build.VERSION.SDK_INT>=23){
//doyourcheckhere
}
BealsosurethatyouractivityimplementsOnRequestPermissionResult
Theentirepermissionlookslikethis:
publicbooleanisStoragePermissionGranted(){
if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.M){
if(checkSelfPermission(android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
==PackageManager.PERMISSION_GRANTED){
Log.v(TAG,"Permissionisgranted");
returntrue;
}else{
Log.v(TAG,"Permissionisrevoked");
ActivityCompat.requestPermissions(this,newString[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},1);
returnfalse;
}
}
else{//permissionisautomaticallygrantedonsdk<23uponinstallation
Log.v(TAG,"Permissionisgranted");
returntrue;
}
}
Permissionresultcallback:
@Override
publicvoidonRequestPermissionsResult(intrequestCode,String[]permissions,int[]grantResults){
super.onRequestPermissionsResult(requestCode,permissions,grantResults);
if(grantResults.length>0&&grantResults[0]==PackageManager.PERMISSION_GRANTED){
Log.v(TAG,"Permission:"+permissions[0]+"was"+grantResults[0]);
//resumetasksneedingthispermission
}
}
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editedApr24'19at11:04
AtifMahmood
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answeredOct16'15at4:11
MetaSnarfMetaSnarf
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18
2
@Houssemgladtohelp.!
– MetaSnarf
Jun23'16at5:55
21
ThisdoesnotworkforAPI>=23,requestingpermissionforManifest.permission.WRITE_EXTERNAL_STORAGEalwaysreturns'-1'i.ePermissiondenied.Checkthenewdocumentation,itsaysthatforAPI19onwards,youdonotneedtheWRITE_EXTERNAL_STORAGEpermission.Assomeoftheabovecommentsmentioned,youshoulddoallofthiswiththeManifest.permission.READ_EXTERNAL_STORAGE
– AmeyaB
Aug1'16at22:01
3
@VSB:Itsinweirdplacebuthereyougo:developer.android.com/guide/topics/manifest/…
– AmeyaB
Oct18'16at19:54
3
@AmeyBAsdocumentationsaid,forAPI>=19,permissiontowriteonexternalstorageisnotrequiredtobedeclaredIFapplicationisgoingtouseitsownspecificdirectoryonexternalstoragewhichisreturnedbygetExternalFilesDir().Inothercases,stillpermissionandroid.permission.WRITE_EXTERNAL_STORAGEmustbedeclaredinmanfiest.
– VSB
Oct19'16at4:57
1
Yesitfixed.Theproblemwasrelatedtohockeyapplibrary.thislibraryhasbeenoverridingmywritepermission.@MetaSnarf
– Selin
Nov19'18at13:34
|
Show13morecomments
40
Android'spermissionsystemisoneofthebiggestsecurityconcernall
alongsincethosepermissionsareaskedforatinstalltime.Once
installed,theapplicationwillbeabletoaccessallofthings
grantedwithoutanyuser'sacknowledgementwhatexactlyapplication
doeswiththepermission.
Android6.0Marshmallowintroducesoneofthelargestchangestothe
permissionsmodelwiththeadditionofruntimepermissions,anew
permissionmodelthatreplacestheexistinginstalltimepermissions
modelwhenyoutargetAPI23andtheappisrunningonanAndroid6.0+
device
CourtesygoestoRequestingPermissionsatRunTime.
Example
DeclarethisasGlobal
privatestaticfinalintPERMISSION_REQUEST_CODE=1;
AddthisinyouronCreate()section
AftersetContentView(R.layout.your_xml);
if(Build.VERSION.SDK_INT>=23)
{
if(checkPermission())
{
//Codeforaboveorequal23APIOrientedDevice
//YourPermissiongrantedalready.Donextcode
}else{
requestPermission();//Codeforpermission
}
}
else
{
//CodeforBelow23APIOrientedDevice
//Donextcode
}
NowaddingcheckPermission()andrequestPermission()
privatebooleancheckPermission(){
intresult=ContextCompat.checkSelfPermission(Your_Activity.this,android.Manifest.permission.WRITE_EXTERNAL_STORAGE);
if(result==PackageManager.PERMISSION_GRANTED){
returntrue;
}else{
returnfalse;
}
}
privatevoidrequestPermission(){
if(ActivityCompat.shouldShowRequestPermissionRationale(Your_Activity.this,android.Manifest.permission.WRITE_EXTERNAL_STORAGE)){
Toast.makeText(Your_Activity.this,"WriteExternalStoragepermissionallowsustodostoreimages.PleaseallowthispermissioninAppSettings.",Toast.LENGTH_LONG).show();
}else{
ActivityCompat.requestPermissions(Your_Activity.this,newString[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE},PERMISSION_REQUEST_CODE);
}
}
@Override
publicvoidonRequestPermissionsResult(intrequestCode,Stringpermissions[],int[]grantResults){
switch(requestCode){
casePERMISSION_REQUEST_CODE:
if(grantResults.length>0&&grantResults[0]==PackageManager.PERMISSION_GRANTED){
Log.e("value","PermissionGranted,Nowyoucanuselocaldrive.");
}else{
Log.e("value","PermissionDenied,Youcannotuselocaldrive.");
}
break;
}
}
FYI
onRequestPermissionsResult
Thisinterfaceisthecontractforreceivingtheresultsfor
permissionrequests.
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editedJan17'17at11:19
answeredOct16'15at5:34
IntelliJAmiyaIntelliJAmiya
71.8k1414goldbadges160160silverbadges190190bronzebadges
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31
CheckmultiplePermissioninAPIlevel23
Step1:
String[]permissions=newString[]{
Manifest.permission.INTERNET,
Manifest.permission.READ_PHONE_STATE,
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE,
Manifest.permission.VIBRATE,
Manifest.permission.RECORD_AUDIO,
};
Step2:
privatebooleancheckPermissions(){
intresult;
ListlistPermissionsNeeded=newArrayList<>();
for(Stringp:permissions){
result=ContextCompat.checkSelfPermission(this,p);
if(result!=PackageManager.PERMISSION_GRANTED){
listPermissionsNeeded.add(p);
}
}
if(!listPermissionsNeeded.isEmpty()){
ActivityCompat.requestPermissions(this,listPermissionsNeeded.toArray(newString[listPermissionsNeeded.size()]),100);
returnfalse;
}
returntrue;
}
Step3:
@Override
publicvoidonRequestPermissionsResult(intrequestCode,Stringpermissions[],int[]grantResults){
if(requestCode==100){
if(grantResults.length>0
&&grantResults[0]==PackageManager.PERMISSION_GRANTED){
//dosomething
}
return;
}
}
Step4:
inonCreateofActivity
checkPermissions();
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editedJan19'17at10:48
answeredDec19'16at11:43
BipinBhartiBipinBharti
92022goldbadges1212silverbadges2525bronzebadges
3
2
Thanks.Thislooklikeapromisinganswerformultiplepermissions.Butit'slackingabitinexamples.Howdoesitdealwithneveraskagainandmissingafewpermissions?Doestheusergetanyfeedback?Wouldhavebeennicetoseearealexampleofthisormorecommentsonyourcodesnippets.
– not2qubit
Jan18'17at17:43
Todealwithdon'taskagainsurroundtheaddtopermissionsifblockwithif(shouldshowpermissionrationale()){}...itistrueifthepermissionisneededandnotforeverdismissed
– me_
Jun20'18at4:54
Thisoneshouldbethecorrectandoptimisedanswer.
– VikaSGuttE
Oct25'19at14:26
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22
Unlessthereisadefiniterequirementofwritingonexternalstorage,youcanalwayschoosetosavefilesinappdirectory.InmycaseIhadtosavefilesandafterwasting2to3daysIfoundoutifIchangethestoragepathfrom
Environment.getExternalStorageDirectory()
to
getApplicationContext().getFilesDir().getPath()//whichreturnstheinternalappfilesdirectorypath
itworkslikecharmonallthedevices.
ThisisbecauseforwritingonExternalstorageyouneedextrapermissionsbutwritingininternalappdirectoryissimple.
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answeredMar2'16at11:31
MujtabaHassanMujtabaHassan
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wheredoyouwritethiscode?IcantrememberusingEnvironment.getExternalStorageDiretory()onmycode
– royjavelosa
Nov30'17at14:03
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5
youneedtouseruntimepermissioninmarshmallow
https://developer.android.com/training/permissions/requesting.html
youcancheckinappinfo->permission
isyourappgetpermissionforwriteexternalstorageornot
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answeredOct16'15at3:42
aiwigunaaiwiguna
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2
2
actuallythisanswerappinfo->permissionsolvedthecrash:),butiacceptedtheotheranswerforthedetailsofwhattodo.IwishIcanacceptbothThankualot
– fullmoon
Oct16'15at4:32
Thanksthatfixedthebrowsercrashingondownloadprobleminandroidemulator
– sdaffa23fdsf
Nov15'15at22:35
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4
Seemsuserhasdeclinedthepermissionandapptriestowritetoexternaldisk,causingerror.
@Override
publicvoidonRequestPermissionsResult(intrequestCode,
Stringpermissions[],int[]grantResults){
switch(requestCode){
caseMY_PERMISSIONS_REQUEST_READ_CONTACTS:{
//Ifrequestiscancelled,theresultarraysareempty.
if(grantResults.length>0
&&grantResults[0]==PackageManager.PERMISSION_GRANTED){
//permissionwasgranted,yay!Dothe
//contacts-relatedtaskyouneedtodo.
}else{
//permissiondenied,boo!Disablethe
//functionalitythatdependsonthispermission.
}
return;
}
//other'case'linestocheckforother
//permissionsthisappmightrequest
}
}
Checkhttps://developer.android.com/training/permissions/requesting.html
ThisvideowillgiveyouabetterideaaboutUX,handlingRuntimepermissionshttps://www.youtube.com/watch?v=iZqDdvhTZj0
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answeredOct16'15at3:50
VenomVendorVenomVendor
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0
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1
Frommarshmallowversion,developersneedtoaskforruntimepermissionstouser.
Letmegiveyouwholeprocessforaskingruntimepermissions.
Iamusingreferencefromhere:marshmallowruntimepermissionsandroid.
Firstcreateamethodwhichcheckswhetherallpermissionsaregivenornot
privatebooleancheckAndRequestPermissions(){
intcamerapermission=ContextCompat.checkSelfPermission(this,Manifest.permission.CAMERA);
intwritepermission=ContextCompat.checkSelfPermission(this,Manifest.permission.WRITE_EXTERNAL_STORAGE);
intpermissionLocation=ContextCompat.checkSelfPermission(this,Manifest.permission.ACCESS_FINE_LOCATION);
intpermissionRecordAudio=ContextCompat.checkSelfPermission(this,Manifest.permission.RECORD_AUDIO);
ListlistPermissionsNeeded=newArrayList<>();
if(camerapermission!=PackageManager.PERMISSION_GRANTED){
listPermissionsNeeded.add(Manifest.permission.CAMERA);
}
if(writepermission!=PackageManager.PERMISSION_GRANTED){
listPermissionsNeeded.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
}
if(permissionLocation!=PackageManager.PERMISSION_GRANTED){
listPermissionsNeeded.add(Manifest.permission.ACCESS_FINE_LOCATION);
}
if(permissionRecordAudio!=PackageManager.PERMISSION_GRANTED){
listPermissionsNeeded.add(Manifest.permission.RECORD_AUDIO);
}
if(!listPermissionsNeeded.isEmpty()){
ActivityCompat.requestPermissions(this,listPermissionsNeeded.toArray(newString[listPermissionsNeeded.size()]),REQUEST_ID_MULTIPLE_PERMISSIONS);
returnfalse;
}
returntrue;
}
Nowhereisthecodewhichisrunafterabovemethod.WewilloverrideonRequestPermissionsResult()method:
@Override
publicvoidonRequestPermissionsResult(intrequestCode,
Stringpermissions[],int[]grantResults){
Log.d(TAG,"Permissioncallbackcalled-------");
switch(requestCode){
caseREQUEST_ID_MULTIPLE_PERMISSIONS:{
Mapperms=newHashMap<>();
//Initializethemapwithbothpermissions
perms.put(Manifest.permission.CAMERA,PackageManager.PERMISSION_GRANTED);
perms.put(Manifest.permission.WRITE_EXTERNAL_STORAGE,PackageManager.PERMISSION_GRANTED);
perms.put(Manifest.permission.ACCESS_FINE_LOCATION,PackageManager.PERMISSION_GRANTED);
perms.put(Manifest.permission.RECORD_AUDIO,PackageManager.PERMISSION_GRANTED);
//Fillwithactualresultsfromuser
if(grantResults.length>0){
for(inti=0;i{
Bitmapb=BitmapFactory.decodeResource(getResources(),R.drawable.refer_pic);
Intentshare=newIntent(Intent.ACTION_SEND);
share.setType("image/*");
ByteArrayOutputStreambytes=newByteArrayOutputStream();
b.compress(Bitmap.CompressFormat.JPEG,100,bytes);
Stringpath=MediaStore.Images.Media.insertImage(requireActivity().getContentResolver(),
b,"Title",null);
UriimageUri=Uri.parse(path);
share.putExtra(Intent.EXTRA_STREAM,imageUri);
share.putExtra(Intent.EXTRA_TEXT,"Hereistext");
startActivity(Intent.createChooser(share,"Sharevia"));
});
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answeredDec23'20at8:32
SubhajitRoySubhajitRoy
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0
AfterlotsofsearchingThiscodeworkforme:
Checkthepermissionalreadyhas:
CheckWRITE_EXTERNAL_STORAGEpermissionAllowedornot?
if(isReadStorageAllowed()){
//Ifpermissionisalreadyhavingthenshowingthetoast
//Toast.makeText(SplashActivity.this,"Youalreadyhavethepermission",Toast.LENGTH_LONG).show();
//Existingthemethodwithreturn
return;
}else{
requestStoragePermission();
}
privatebooleanisReadStorageAllowed(){
//Gettingthepermissionstatus
intresult=ContextCompat.checkSelfPermission(this,android.Manifest.permission.WRITE_EXTERNAL_STORAGE);
//Ifpermissionisgrantedreturningtrue
if(result==PackageManager.PERMISSION_GRANTED)
returntrue;
//Ifpermissionisnotgrantedreturningfalse
returnfalse;
}
//Requestingpermission
privatevoidrequestStoragePermission(){
if(ActivityCompat.shouldShowRequestPermissionRationale(this,android.Manifest.permission.WRITE_EXTERNAL_STORAGE)){
//Iftheuserhasdeniedthepermissionpreviouslyyourcodewillcometothisblock
//Hereyoucanexplainwhyyouneedthispermission
//Explainherewhyyouneedthispermission
}
//Andfinallyaskforthepermission
ActivityCompat.requestPermissions(this,newString[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE},REQUEST_WRITE_STORAGE);
}
ImplementOverrideonRequestPermissionsResultmethodforcheckingistheuserallowordenie
@Override
publicvoidonRequestPermissionsResult(intrequestCode,@NonNullString[]permissions,@NonNullint[]grantResults){
//Checkingtherequestcodeofourrequest
if(requestCode==REQUEST_WRITE_STORAGE){
//Ifpermissionisgranted
if(grantResults.length>0&&grantResults[0]==PackageManager.PERMISSION_GRANTED){
//Displayingatoast
Toast.makeText(this,"Permissiongrantednowyoucanreadthestorage",Toast.LENGTH_LONG).show();
}else{
//Displayinganothertoastifpermissionisnotgranted
Toast.makeText(this,"Oopsyoujustdeniedthepermission",Toast.LENGTH_LONG).show();
}
}
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answeredMay25'16at3:06
TariqulTariqul
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0
it'sworkedforme
booleanhasPermission=(ContextCompat.checkSelfPermission(AddContactActivity.this,
Manifest.permission.WRITE_EXTERNAL_STORAGE)==PackageManager.PERMISSION_GRANTED);
if(!hasPermission){
ActivityCompat.requestPermissions(AddContactActivity.this,
newString[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
REQUEST_WRITE_STORAGE);
}
@Override
publicvoidonRequestPermissionsResult(intrequestCode,String[]permissions,int[]grantResults){
super.onRequestPermissionsResult(requestCode,permissions,grantResults);
switch(requestCode)
{
caseREQUEST_WRITE_STORAGE:{
if(grantResults.length>0&&grantResults[0]==PackageManager.PERMISSION_GRANTED)
{
//reloadmyactivitywithpermissiongrantedorusethefeatureswhatrequiredthepermission
}else
{
Toast.makeText(AddContactActivity.this,"Theappwasnotallowedtowritetoyourstorage.Hence,itcannotfunctionproperly.Pleaseconsidergrantingitthispermission",Toast.LENGTH_LONG).show();
}
}
}
}
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answeredMay25'16at5:19
RejoylinLokeshwaranRejoylinLokeshwaran
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Beforestartingyourdownloadcheckyourruntimepermissionsandifyoudon'thavepermissiontherequestpermissionslikethismethod
requestStoragePermission()
privatevoidrequestStoragePermission(){
if(ActivityCompat.shouldShowRequestPermissionRationale(this,
android.Manifest.permission.READ_EXTERNAL_STORAGE))
{
}
ActivityCompat.requestPermissions(this,
newString[]{Manifest.permission.READ_EXTERNAL_STORAGE},
STORAGE_PERMISSION_CODE);
}
@Override
publicvoidonRequestPermissionsResult(intrequestCode,
@NonNullString[]permissions,
@NonNullint[]grantResults){
if(requestCode==STORAGE_PERMISSION_CODE){
if(grantResults.length>0&&grantResults[0]==PackageManager.PERMISSION_GRANTED){
}
else{
Toast.makeText(this,
"Oopsyoujustdeniedthepermission",
Toast.LENGTH_LONG).show();
}
}
}
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editedAug22'18at10:24
Devil10
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answeredAug22'18at8:05
BalajiRajendranBalajiRajendran
30755silverbadges1717bronzebadges
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0
Inasimplewaythepermissioncanbegrantedusingmanifest.xmlfile,butitwasoktilltheapilevel23sdkversion6,afterfromhere,ifwewanttogetthepermissionwehavetoaskfortheusetoallowthepermissionwhichareneeded.
JustaddthiscodeinthemainActivity.java
Override
publicvoidonClick(Viewview){
//Requestthepermission
ActivityCompat.requestPermissions(MainActivity.this,
newString[]{Manifest.permission.CAMERA},
PERMISSION_REQUEST_CAMERA);
ReplaceCAMERAoraddwithWRITE_EXTERNAL_STORAGEifyouwant,andwiththeuniquecode.
newString[]{Manifest.permission.CAMERA,
Manifest.permission.WRITE_EXTERNAL_STORAGE},
101);
Thisisthesimplecodetogetpermission.
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answeredMay22'20at9:41
PravinGhorlePravinGhorle
41044silverbadges77bronzebadges
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Highlyactivequestion.Earn10reputation(notcountingtheassociationbonus)inordertoanswerthisquestion.Thereputationrequirementhelpsprotectthisquestionfromspamandnon-answeractivity.
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