Android Select Picture trim take photo compatible with all versions of code

Source: Internet
Author: User

Preamble, version compatibility issues are mainly due to errors caused by the format of the URI after 4.4 and 4.4

Info Android 4.4 Select a picture from the gallery, get the picture path and crop

1. Take photos and select pictures ① Select pictures
1 New Intent (intent.action_get_content); 2             Intent.settype ("image/*"); 3             Startactivityforresult (Intent, Gallery_request_code);

② photo

1 New Intent (mediastore.action_image_capture); 2             Startactivityforresult (Intent, Camera_request_code);
2. Get the value from the system
1 Tag Character2     Private Static intCamera_request_code = 1;3     Private Static intGallery_request_code = 2;4     Private Static intCrop_request_code = 3;5 6 7 8 @Override9     protected voidOnactivityresult (intRequestcode,intResultCode, Intent data) {Ten         if(Requestcode = =Camera_request_code) { One             if(Data = =NULL) { A                 return; -}Else{//Take Pictures -Bundle Extras =Data.getextras (); the                 if(Extras! =NULL) { -Bitmap BM = extras.getparcelable ("Data"); -Uri uri =Savebitmap (BM); - startimagezoom (URI); +                 } -             } +}Else if(Requestcode = =Gallery_request_code) { A             if(Data = =NULL) {//albums at                 return; -             } - URI Uri; -URI =Data.getdata (); -Uri Fileuri =Converturi (URI); - Startimagezoom (Fileuri); in}Else if(Requestcode = =Crop_request_code) { -             if(Data = =NULL) { to                 return; +}//the cropped picture -Bundle Extras =Data.getextras (); the             if(Extras = =NULL) { *                 return; $             }Panax NotoginsengBitmap BM = extras.getparcelable ("Data"); - Showimageview (BM); the         } +}
3. After the picture is selected, the URL is converted to stream and saved.
PrivateUri Converturi (Uri uri) {InputStream is=NULL; Try{ is=getcontentresolver (). Openinputstream (URI); Bitmap Bitmap=Bitmapfactory.decodestream (IS);            Is.close (); returnSavebitmap (bitmap); } Catch(FileNotFoundException e) {e.printstacktrace (); return NULL; } Catch(IOException e) {e.printstacktrace (); return NULL; }    }
4. Save the picture and remember to add permission
1 PrivateUri Savebitmap (Bitmap BM) {2File TmpDir =NewFile (environment.getexternalstoragedirectory ()3+ "/xiaoxin");4         if(!tmpdir.exists ()) {5 Tmpdir.mkdir ();6         }7File img =NewFile (Tmpdir.getabsolutepath () + "Love.png");8         Try {9FileOutputStream fos =NewFileOutputStream (IMG);TenBm.compress (Bitmap.CompressFormat.PNG, 85, FOS); One Fos.flush (); A fos.close (); -Toast.maketext (mainactivity. This, "succeeded.", Toast.length_short). Show (); -             returnuri.fromfile (IMG); the}Catch(FileNotFoundException e) { -Toast.maketext (mainactivity. This, "failed.", Toast.length_short). Show (); - e.printstacktrace (); -             return NULL; +}Catch(IOException e) { - e.printstacktrace (); +Toast.maketext (mainactivity. This, "failed.", Toast.length_short). Show (); A             return NULL; at         } -  -}
5. Crop the picture
1 /**2 * Crop Picture3      * 4      * @paramURI5      */6     Private voidstartimagezoom (Uri uri) {7Intent Intent =NewIntent ("Com.android.camera.action.CROP");8Intent.setdataandtype (URI, "image/*");9Intent.putextra ("Crop", "true");TenIntent.putextra ("Aspectx", 1); OneIntent.putextra ("Aspecty", 1); AIntent.putextra ("Outputx", 150); -Intent.putextra ("Outputy", 150); -Intent.putextra ("Return-data",true); the Startactivityforresult (Intent, crop_request_code); -}

Android Select Picture trim take photo compatible with all versions of code

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