Android upload avatar Code, camera, album, crop

Source: Internet
Author: User

Activity_main.xml

<?xml version="1.0"Encoding="Utf-8"? ><linearlayout xmlns:android="Http://schemas.android.com/apk/res/android"Android:layout_width="Fill_parent"android:layout_height="Fill_parent"android:orientation="Vertical"> <Button android:id="@+id/btn_01"Android:layout_width="150dip"android:layout_height="50dip"android:text="Album"/> <Button android:id="@+id/btn_02"Android:layout_width="150dip " android:layout_height=  "50dip"  Android:text= photo imageview android:id= " @+id/imageid Android : Layout_width= "match_parent  " android:layout_height=  "match_parent"/> </linearlayout>             

Mainactivity.java

Package Com.example.uploadhead;import Java.io.bytearrayinputstream;import Java.io.bytearrayoutputstream;import Java.io.file;import Java.io.inputstream;import Java.text.simpledateformat;import Java.util.Date;import Android.net.uri;import Android.os.bundle;import Android.os.environment;import Android.provider.MediaStore;import Android.app.activity;import Android.content.intent;import Android.graphics.bitmap;import Android.graphics.bitmapfactory;import Android.view.view;import Android.widget.button;import Android.widget.ImageView;PublicClassMainactivity extends Activity {PublicStatic finalint NONE =0;PublicStatic finalint Photo_camera =1;//Camera photoPublicStatic finalint photo_compile =2;//Edit PicturePublicStatic finalint Photo_resoult =3;//ResultsImageView Headimageview =Null; Button Photo_button =Null; Button Camera_button =Null;PrivateString ImageName;PublicStaticString Getstringtoday () {Date currenttime =NewDate (); SimpleDateFormat formatter =New SimpleDateFormat ("Yyyymmddhhmmss"); String datestring =Formatter.format (currenttime);Returndatestring; } @OverridePublicvoidOnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (R.layout.activity_main); Headimageview = (ImageView) Findviewbyid (R.id.imageid);//Find the ImageView to fillPhoto_button = (Button) Findviewbyid (r.id.btn_01);//Album Button Camera_button = (button) Findviewbyid (r.id.btn_02);//Photo button//Open the System album Photo_button.setonclicklistener (NewView.onclicklistener () {PublicvoidOnClick (View v) {//Set the intention to invoke the System album (implicit intent) Intent Intent =NewIntent ();//Set Value activity//Android.intent.action.PICKIntent.setaction (Intent.action_pick);//Set type and dataIntent.setdataandtype (MediaStore.Images.Media.EXTERNAL_CONTENT_URI,"image/*");//Open the system's albumStartactivityforresult (Intent, photo_compile); } });//Turn on the system camera Camera_button.setonclicklistener (NewView.onclicklistener () {PublicvoidOnClick (View v) {//Set the name of the picture ImageName ="/"+ getstringtoday () +". jpg";//Set the intent to invoke the system camera (implicit intent) Intent Intent =NewIntent (mediastore.action_image_capture);//Set the output path and file name of the photoFile file=NewFile (Environment.getexternalstoragedirectory (), ImageName); Intent.putextra (Mediastore.extra_output, Uri.fromfile (file));//Turn on the cameraStartactivityforresult (Intent, Photo_camera); } }); }//Call Startactivityresult, return the callback function after@OverrideProtectedvoid Onactivityresult (int Requestcode,IntResultCode, Intent data) {if (ResultCode = =NONE)Return;//Picture taking pictures by cameraif (Requestcode = =Photo_camera) {//Set file save path here in the directory file picture =NewFile (environment.getexternalstoragedirectory () +ImageName);//Crop a pictureStartphotozoom (Uri.fromfile (picture)); }if (data = =Null)Return;//Reading album cropping picturesif (Requestcode = =Photo_compile) {//Crop a pictureStartphotozoom (Data.getdata ()); }//Crop photo processing resultsif (Requestcode = =Photo_resoult) {Bundle Extras =Data.getextras ();if (Extras! =Null) {Bitmap photo = Extras.getparcelable ("Data"); Bytearrayoutputstream stream =NewBytearrayoutputstream (); Photo.compress (Bitmap.CompressFormat.JPEG,, stream);//(0-//100) Compress files//Set up picture display contentHeadimageview.setimagebitmap (photo); }} super.onactivityresult (Requestcode, ResultCode, data); }/** Call the system's crop picture function * * @param the path of the URI picture*/PublicvoidStartphotozoom (Uri uri) {Intent Intent =New Intent ("Com.android.camera.action.CROP"); Intent.setdataandtype (URI,  "image/* "); Intent.putextra ( "crop " true "); // Aspectx Aspecty is a proportional Intent.putextra ( "aspectx", 1); Intent.putextra ("Aspecty", 1); Outputx Outputy is a cropped picture with a wide height of Intent.putextra ("Outputx", 64); Intent.putextra ("Outputy", 64); Intent.putextra ("Return-data", true); Startactivityforresult (Intent, Photo_resoult); }} 

Android upload avatar Code, camera, album, crop

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