Android photos, albums get pictures, crop pictures

Recently doing business-to-business projects, most of the images from the user upload themselves;
Due to the different size of Android, user camera, photo album is also grotesque;
So it is necessary to do a clipping of the picture before uploading it!

Here is the demo of scaling the image proportionally

Resource File Activity_main.xml

<Relativelayout xmlns:android="Http://schemas.android.com/apk/res/android"    Xmlns:tools="Http://schemas.android.com/tools"    Android:layout_width="Match_parent"    Android:layout_height="Match_parent"    Android:paddingbottom="@dimen/activity_vertical_margin"    Android:paddingleft="@dimen/activity_horizontal_margin"    Android:paddingright="@dimen/activity_horizontal_margin"    Android:paddingtop="@dimen/activity_vertical_margin"    Tools:context="Com.example.croppicturedemo.MainActivity">    <linearlayoutandroid:layout_width="Match_parent"android:layout_height ="Match_parent"android:orientation="vertical">                                 <buttonandroid:id="@+id/btn"android:layout_width="Wrap_ Content "android:layout_height=" Wrap_content "android:text=" Select Picture " />                                                        <ImageViewandroid:id= "@+id/imageview"android:layout_width=" Match_parent "android:layout_height=" match_parent "/>                                         </linearlayout></relativelayout>

Mainactivity

 Public  class mainactivity extends Activity implements Onclicklistener  {        PrivateImageView ImageView;PrivateButton btn;Private Static Final intPhoto_request_takephoto =1;//Photo        Private Static Final intPhoto_request_gallery =2;//Select from the album        Private Static Final intPhoto_request_cut =3;//Results        //Create a file with the current time nameFile tempfile =NewFile (Environment.getexternalstoragedirectory (), Getphotofilename ());/** Called when the activity is first created. * /        @Override         Public void onCreate(Bundle savedinstancestate) {Super. OnCreate (Savedinstancestate);            Setcontentview (R.layout.activity_main);        Init (); }//Initialize control        Private void Init() {ImageView = (ImageView) Findviewbyid (R.id.imageview); BTN = (Button) Findviewbyid (R.ID.BTN);//Add listener events for ImageButton and buttonImageview.setonclicklistener ( This); Btn.setonclicklistener ( This); }//Click events        @Override         Public void OnClick(View v) {//TODO auto-generated method stub            Switch(V.getid ()) { CaseR.id.imageview:showdialog (); Break; CaseR.id.btn:showdialog (); Break; }        }//Prompt dialog box method        Private void ShowDialog() {NewAlertdialog.builder ( This). Settitle ("Avatar Settings"). Setpositivebutton ("Take photos",NewDialoginterface.onclicklistener () {@Override                         Public void OnClick(Dialoginterface Dialog,intwhich) {//TODO auto-generated method stubDialog.dismiss ();//Recall the camera function of the systemIntent Intent =NewIntent (mediastore.action_image_capture);//Specify the storage path of the photo after the camera is calledIntent.putextra (Mediastore.extra_output,uri.fromfile (tempfile));                        Startactivityforresult (Intent, Photo_request_takephoto); }}). Setnegativebutton ("Albums",NewDialoginterface.onclicklistener () {@Override                         Public void OnClick(Dialoginterface Dialog,intwhich) {//TODO auto-generated method stubDialog.dismiss (); Intent Intent =NewIntent (Intent.action_pick,NULL); Intent.setdataandtype (MediaStore.Images.Media.EXTERNAL_CONTENT_URI,"image/*");                        Startactivityforresult (Intent, photo_request_gallery);        }}). Show (); }@Override        protected void Onactivityresult(intRequestcode,intResultCode, Intent data) {//TODO auto-generated method stub            Switch(Requestcode) { CasePhoto_request_takephoto:startphotozoom (Uri.fromfile (tempfile), Max); Break; CasePhoto_request_gallery:if(Data! =NULL) Startphotozoom (Data.getdata (), Max); Break; CasePhoto_request_cut:if(Data! =NULL) Setpictoview (data); Break; }Super. Onactivityresult (Requestcode, ResultCode, data); }Private void Startphotozoom(Uri Uri,intSize) {Intent Intent =NewIntent ("Com.android.camera.action.CROP"); Intent.setdataandtype (URI,"image/*");//Crop is true to set the view set in the open intent to be clippedIntent.putextra ("Crop","true");//Aspectx aspecty is the ratio of width to heightIntent.putextra ("Aspectx",1); Intent.putextra ("Aspecty",1);//Outputx,outputy is the width height of the cropped pictureIntent.putextra ("Outputx", size); Intent.putextra ("Outputy", size); Intent.putextra ("Scale",true); Intent.putextra ("Return-data",true);        Startactivityforresult (Intent, photo_request_cut); }//The cropped picture is displayed to the UI interface        Private void Setpictoview(Intent Picdata) {Bundle bundle = Picdata.getextras ();if(Bundle! =NULL) {Bitmap photo = Bundle.getparcelable ("Data"); Drawable drawable =NewBitmapdrawable (photo);            Imageview.setbackgrounddrawable (drawable); }        }//Use the system's current date to adjust the name of the photo        PrivateStringGetphotofilename() {Date date =NewDate (System.currenttimemillis ()); SimpleDateFormat DateFormat =NewSimpleDateFormat ("' IMG ' _yyyymmdd_hhmmss");returnDateformat.format (date) +". jpg"; }}

Demo: Click to download

Android photos, albums get pictures, crop pictures