kb albums

Open the System album Intent Intent=new Intent (intent.action_get_content); Intent.settype ("image/*"); StartActivity (intent);Opens the specified photo Intent intent = new intent (); intent.setaction (Android.content.Intent.ACTION_VIEW); intent.setdataandtype (Uri.fromfile (Picturefilepath), "image/*"); StartActivity (intent);Open System Album Browse photos Intent Intent = new Intent (Intent.action_view, Uri.parse ("Content://media/internal/images/media")); StartActivity (Intent);Use mediascann

Android uses the GridView to arrange albums and select images Many projects must use the image upload function, which is even more exciting. Recently, my project also needs to select the image function, so I shared the code I wrote, take notes! Let's take a look: The effect is good. The Code mainly refers to the remaining helper classes and adapters for the two activities. First, let's take a look at the code on this interface. Package com. example.

Presentviewcontroller:controller animated:yes completion:nil]; } }]; [Alert Addaction:action1]; Uialertaction *action2 = [uialertaction actionwithtitle:@ "album" Style:uialertactionstyledefault handler:^ ( Uialertaction * _nonnull action) {Uiimagepickercontroller *picker = [[Uiimagepickercontroller alloc] init] ; Picker.sourcetype = uiimagepickercontrollersourcetypephotolibrary; Picker.delegate = self; picker.allowsediting = YES; [Self Presentviewcontroll

Note: Save the image with Uiimagewritetosavedphotosalbum, Uisavevideoatpathtosavedphotosalbum save the video. Use WriteImageToSavedPhotosAlbum:metadata:completionBlock after 4.0: Save metadata.-(void) Imagepickercontroller: (Uiimagepickercontroller *) Picker Didfinishpickingmediawithinfo: (NSDictionary *) info {nsstring* Path = [[info objectforkey:uiimagepickercontrollermediaurl] path];Save VideoUisavevideoatpathtosavedphotosalbum (path, self, @selector (video:didFinishSavingWithError:contextInf

(Imagethumbnail.getimagethumbnail (Imgpath, Img_sfz.getwidth (), IMG_SFZ.G Etheight ())); } } Catch(Exception e) {//Todo:handle Exception } Break; default: Break; } }/*** Image compression Display *@paramImagePath *@paramWidth *@paramHeight *@return */ Public StaticBitmap Getimagethumbnail (String ImagePath,intwidth,intheight) {Bitmap Bitmap=NULL; Bitmapfactory.options Options=Newbitm

Func savetolocal () { //screenshot let screenrect = Uiscreen.mainscreen (). Bounds Uigraphicsbeginimagecontext ( screenrect.size) Let ctx:cgcontextref = Uigraphicsgetcurrentcontext ()! Self.view.layer.renderInContext (CTX) let image = Uigraphicsgetimagefromcurrentimagecontext () Uigraphicsendimagecontext (); Save album Uiimagewritetosavedphotosalbum (image!, Self, "image:didFinishSavingWithError:contextInfo:", nil)

Imagepickercontroller (_ Picker: uiimagepickercontroller, Didfinishpickingmediawithinfo info: [String : any]) { let imagepickerc = info[uiimagepickercontrolleroriginalimage] as! UIImage Cameraview. Image. Image = Imagepickerc self. Dismiss(animated: True, completion: nil) }override func didreceivememorywarning () { Super. Didreceivememorywarning() //Dispose of any resources, can be recreated.}}Call the system album with the camera when the configuration, otherwise

//Creating a Graphics contextUigraphicsbeginimagecontext (Cgsizemake ( $, $)); Cgcontextref Context=Uigraphicsgetcurrentcontext (); UIImage*image = [UIImage imagenamed:@"1.png"]; [Image Drawinrect:cgrectmake (0,0, $, $)]; //Add WatermarkNSString *str =@"My Pictures"; [Str drawinrect:cgrectmake (Ten,Ten, -, the) Withattributes:@{nsfontattributename:[uifont Boldsystemfontofsize: -],nsforegroundcolorattributename:[uicolor Redcolor]}]; //get a picture from the current drawing context (turn the curre

Enumerategroupswithtypes:alassetsgroupsavedphotosUsingblock:librarygroupsenumerationFailureblock:failureblock];}Write Local-(void) Handlewrittenfile: (alasset*) Videoasset{if (!videoasset) {NSLog (@ "nil");Return}Write Local PathNSString *filename = [self getvideomergefilepathstring];Alassetrepresentation *represent = [Videoasset defaultrepresentation];Nsuinteger size = [represent size];Open 65636-size memory for one read and writeconst int buffersize = 65636;NSLog (@ "written to:%@", fileName)

(Requestcode, ResultCode, data);}/*** Shrink Picture** @param URI*/public void Startphotozoom (Uri uri) {Intent Intent = new Intent ("Com.android.camera.action.CROP");//Call a picture clipping page that comes with the Android system,Intent.setdataandtype (URI, image_unspecified);Intent.putextra ("Crop", "true");//TrimmingAspectx Aspecty is the ratio of width to heightIntent.putextra ("Aspectx", 1);Intent.putextra ("Aspecty", 1);Outputx Outputy is the cropped picture width highIntent.putextra ("

It is convenient to store photos in QQ albums, but it is inconvenient to search for multiple photos. Try searching for photos in the QQ photo album with SOSO images, which is quick.1. First open SOSO Image Search (address: http://image.soso.com );2. Log on to QQ and enter the photo keywords in the search text box;3. Click "QQ album" and you will soon be able to see the search results (the photo album permission attributes in the results are

* ImageView = [[Uiimageview alloc]initwithframe:cgrectmake (0, Self.view.frame.size.width, 200)];Imageview.image = image;[Self.view Addsubview:imageview];}-(void) SaveImage: (uiimage*) image{Alassetslibrary *library = [[Alassetslibrary alloc] init];[Library Writeimagetosavedphotosalbum:[image Cgimage] Orientation: (alassetorientation) image.imageorientation completionblock:^ (Nsurl *asseturl, Nserror *error) {if (Error) {NSLog (@ "Save image fail:%@", error);}else{Uialertview *alter = [[Uialert

(URLSTR, Self,@selector(Video:didFinishSavingWithError:contextInfo:),Nil); } }); } }]];#pragma mark videos saved callbacks- (void) Video: (NSString*) Videopath Didfinishsavingwitherror: (Nserror*) Error ContextInfo: (void*) contextinf{if(Error) {[Svprogresshud showerrorwithstatus:@"Export failed!"]; [Svprogresshud dismiss];NSLog(@"error occurred during video save, error message:%@", error. Localizeddescription); }Else{videosuccessi++;if(Videosuccessi = = Allvide

Is the content of the image file returned in PHP not a burden on many servers? Is there a good way to protect private albums?

( Mactivity, URI); OGUTIL.D ( "path=" + Absolutepath) NB Sp } catch (Exception e) { N Bsp e.printstacktrace (); } } nb Sp } } GetAbsolutePath method Public StringGetAbsolutePath(Final context Context,Final URI Uri) {if (Null = = URI)ReturnNullFinal String scheme = Uri.getscheme (); String data =Nullif (scheme = =NULL) data = Uri.getpath ();ElseIf(ContentResolver.SCHEME_FILE.equals (SCHEME)) {data = Uri.getpath (); }ElseIf(ContentResolver.SCHEME_CONTENT.

); ivdownload = (ImageView) Findviewbyid ( R.id.ivdownload) Btnselectimage = (Button) Findviewbyid (r.id.btnselectimage); btndownloadimage = (Button) Findviewbyid (r.id.btndownloadimage);} Bind a fixed-point event private void Bindclick () {Btnselectimage.setonclicklistener (this); Btndownloadimage.setonclicklistener ( this);} @Overridepublic void OnClick (view view) {switch (View.getid ()) {case R.id.btnselectimage:intent galleryintent = new Inten T (intent.action_get_content);Galleryintent.add

=[[Phimagerequestoptions alloc]init]; Option.networkaccessallowed=YES; Option.resizemode=Phimagerequestoptionsresizemodefast; [[Phimagemanager Defaultmanager] Requestimagedataforasset:asset options:option resulthandler:^ (NSData * _nullable imageData, NSString * _nullable Datauti, uiimageorientation orientation, nsdictionary *_nullable Info) {UIImage*resultimage = [UIImage imagewithdata:imagedata scale:0.1]; if(completion) completion (Resultimage,info,[[info Objectforkey:phimageresultisdegraded

*)contextInfo { if (error) { NSLog(@"保存出错"); return; } NSLog(@"保存成功");}In the above pest, I saved the image in the pre-defined IconView to the album by touching the event with my finger.And how should the same chestnut be implemented in Swift?The wording in 2.swiftoverride func touchesBegan(touches: SetThe same chestnuts, implemented in swift as above, in Swift, we jump to the head of the file and it will be found to be like this,// Adds a photo to the saved photos album.

); [Self dismissviewcontrolleranimated:yes completion:nil]; } Execute method after clicking Cancel button -(void) Imagepickercontrollerdidcancel: (Uiimagepickercontroller *) picker { [Self dismissviewcontrolleranimated:yes completion:nil]; } -(void) openpiclibrary { Albums can be opened with an emulator if ([Uiimagepickercontroller issourcetypeavailable:uiimagepickercontrollersourcetypephotolibrary]) { Uiimagepickercontroller *picker = [[U

Get the picture from a photo or photo album, crop it, and then display the picture on the ImageView. Of course can also upload to the server (most of the project is uploaded to the server), referring to the online data and combined with the actual situation of the project, tested a variety of mobile phones temporarily did not find serious problems. The code has a comment that directly pastes the code: public class Uploadpicactivity extends activity implements View.onclicklistener {pri