Android open Local album select picture and Return to display

. java

1  PackageCom.jerry.crop;2 3 ImportJava.io.File;4 5 Importandroid.app.Activity;6 Importandroid.content.Intent;7 ImportAndroid.graphics.Bitmap;8 ImportAndroid.net.Uri;9 ImportAndroid.os.Bundle;Ten Importandroid.os.Environment; One ImportAndroid.provider.MediaStore; A ImportAndroid.view.View; - ImportAndroid.widget.ImageView; - ImportAndroid.widget.Toast; the  -  Public classMainactivityextendsActivity { -  -     Private Static Final intPhoto_request_carema = 1;//Take Pictures +     Private Static Final intPhoto_request_gallery = 2;//Select from the album -     Private Static Final intPhoto_request_cut = 3;//Results +  A     PrivateImageView iv_image; at  -     /*Avatar name*/ -     Private Static FinalString photo_file_name = "Temp_photo.jpg"; -     PrivateFile tempfile; -  - @Override in     protected voidonCreate (Bundle savedinstancestate) { -         Super. OnCreate (savedinstancestate); to Setcontentview (r.layout.activity_main); +          This. Iv_image = (ImageView) This. Findviewbyid (r.id.iv_image); -     } the  *     /* $ * get from albumsPanax Notoginseng      */ -      Public voidGallery (view view) { the         //Activate the System gallery, select a picture +Intent Intent =NewIntent (Intent.action_pick); AIntent.settype ("image/*"); the         //open an activity with a return value, the request code is photo_request_gallery + Startactivityforresult (Intent, photo_request_gallery); -     } $  $     /* - * get from camera -      */ the      Public voidcamera (view view) { -         //activating the cameraWuyiIntent Intent =NewIntent ("Android.media.action.IMAGE_CAPTURE"); the         //determine if the memory card is usable and can be stored -         if(Hassdcard ()) { WuTempfile =NewFile (Environment.getexternalstoragedirectory (), - photo_file_name); About             //To create a URI from a file $Uri uri =Uri.fromfile (tempfile); - Intent.putextra (Mediastore.extra_output, URI); -         } -         //open an activity with a return value, the request code is Photo_request_carema A Startactivityforresult (Intent, photo_request_carema); +     } the  -     /* $ * Cut Pictures the      */ the     Private voidcrop (Uri uri) { the         //Crop Image Intent theIntent Intent =NewIntent ("Com.android.camera.action.CROP"); -Intent.setdataandtype (URI, "image/*"); inIntent.putextra ("Crop", "true"); the         //the scale of the cropping box, 1:1 theIntent.putextra ("Aspectx", 1); AboutIntent.putextra ("Aspecty", 1); the         //Size of output picture after cropping theIntent.putextra ("Outputx", 250); theIntent.putextra ("Outputy", 250); +  -Intent.putextra ("OutputFormat", "JPEG");//Picture Format theIntent.putextra ("Nofacedetection",true);//Remove Face recognitionBayiIntent.putextra ("Return-data",true); the         //open an activity with a return value, the request code is photo_request_cut the Startactivityforresult (Intent, photo_request_cut); -     } -  the     /* the * Determine if sdcard is being mounted the      */ the     Private BooleanHassdcard () { -         if(Environment.getexternalstoragestate (). Equals ( the environment.media_mounted)) { the             return true; the}Else {94             return false; the         } the     } the 98 @Override About     protected voidOnactivityresult (intRequestcode,intResultCode, Intent data) { -         if(Requestcode = =photo_request_gallery) {101             //data returned from the album102             if(Data! =NULL) {103                 //get the full path of the picture104Uri uri =Data.getdata (); the crop (URI);106             }107 108}Else if(Requestcode = =Photo_request_carema) {109             //data returned from the camera the             if(Hassdcard ()) {111 crop (Uri.fromfile (tempfile)); the}Else {113Toast.maketext (mainactivity. This, "No memory card found, no photos saved!" ", 0). Show (); the             } the  the}Else if(Requestcode = =photo_request_cut) {117             //data returned from the cut image118             if(Data! =NULL) {119Bitmap Bitmap = Data.getparcelableextra ("Data")); -                  This. Iv_image.setimagebitmap (bitmap);121             }122             Try {123                 //Delete a temporary file124 Tempfile.delete (); the}Catch(Exception e) {126 e.printstacktrace ();127             } - 129         } the 131         Super. Onactivityresult (Requestcode, ResultCode, data); the     }133}

. xml

1<linearlayout xmlns:android= "Http://schemas.android.com/apk/res/android"2Xmlns:tools= "Http://schemas.android.com/tools"3Android:layout_width= "Match_parent"4android:layout_height= "Match_parent"5android:orientation= "Vertical"6Tools:context= ". Mainactivity ">7 8<Button9Android:layout_width= "Wrap_content"Tenandroid:layout_height= "Wrap_content" Oneandroid:onclick= "Gallery" Aandroid:text= "Get gallery Picture"/> -<Button -Android:layout_width= "Wrap_content" theandroid:layout_height= "Wrap_content" -android:onclick= "Camera" -android:text= "Photo Capture"/> -  +<ImageView -Android:id= "@+id/iv_image" +Android:layout_width= "Wrap_content" Aandroid:layout_height= "Wrap_content"/> at  -</LinearLayout>

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Android open Local album select picture and Return to display