how to resize pictures on android

If the size of the site image is too large, it will increase the burden on the server, browsing speed will also be affected. The size and volume of the pictures we have taken or obtained are generally large, and we need to adjust the size and quality of the pictures. If it's a group of photos, you need to adjust the batch. Firework, one of the Three Musketeers for Web pages, is a commonly used web-page imag

If the size of the site image is too large, it will increase the burden on the server, browsing speed will also be affected. The size and volume of the pictures we have taken or obtained are generally large, and we need to adjust the size and quality of the pictures. If it's a group of photos, you need to adjust the batch. Firework, one of the Three Musketeers for Web pages, is a commonly used web-page ima

Android.graphics.Bitmap;Import Android.graphics.BitmapFactory;Import Android.net.Uri;Import Android.os.Bundle;Import android.os.Environment;Import Android.provider.MediaStore;Import android.support.v7.app.AppCompatActivity;Import Android.util.Log;Import Android.view.View;Import Android.widget.ImageView;Import Com.sctu.edu.test.tools.ImageTools;Import Java.io.File;Import java.io.IOException;Import Java.text.SimpleDateFormat;Import Java.util.Date;public class Mainactivity extends Appcompatactivit

In the Android app, very often we need to implement upload images, or directly call the camera on the phone to take photos processing and then directly display and upload the function, the following will be called the camera to take pictures of the image processing and then display and call the photo processing in the mobile phone register and then display the function, to achieve the upload function. It is

voidprocesslogic (Bundle saveinstancestate) {}//get local pictures@Overrideprotected voidOnactivityresult (intRequestcode,intResultCode, Intent data) { if(ResultCode = =RESULT_OK) {URI Uri=Data.getdata (); LOG.E ("uri", uri.tostring ()); Contentresolver CR= This. Getcontentresolver (); Try{Bitmap Bitmap=Bitmapfactory.decodestream (Cr.openinputstream (URI)); ImageView ImageView=(ImageView) Findviewbyid (R.ID.WRITE_COMPETERELAY_COVER_IV); /*set

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 p

A few days ago, we client side of the market received a demand, we need to order after the deal, our client has a copy of the transaction voucher function, then how to upload the image on the Android function? Before I code, I ask myself a few questions. First, the picture is directly selected in the gallery, or need to take photos and choose pictures two options? Because when you choose a picture, there

How does Android add a click event to each part of a picture or images?1, If you are not a lot of words can be the entire UI with the GridView and then through the GridView Pointtoposition method to obtain this item2, can be added to the picture in the linerlayout through the coordinates after the judge is that part3, rewrite ImageView http://snowcoal.com/article/520.html4, Android image area click (Image H

; reqheight (halfwidth/insample Size) > Reqwidth) {insamplesize *= 2;}} return insamplesize;}With the appropriate insamplesize value, you can actually perform the operation of loading the picture. The code is as follows:Final Bitmapfactory.options Options = new Bitmapfactory.options (); Options.insamplesize = 2; Options.injustdecodebounds = false; Bitmap Bitmap = Bitmapfactory.decoderesource (res, resId, options); ImageView ImageView = (ImageView) Findviewbyid (R.ID.IMAGEVIEW1); Imageview.setim

, motionevent event) {ImageView view = (ImageView) v;switch (EV Ent.getaction () Motionevent.action_mask) {case MotionEvent.ACTION_DOWN:matrix.set (View.getimagematrix ()); Savedmatrix.set (matrix); Start.set (Event.getx (), event.gety ()); mode = Drag;break;case Motionevent.action_pointer_ down:olddistance = Spacing (event), if (Olddistance > 5f) {savedmatrix.set (matrix); Midpoint (Mid, event); mode = ZOOM;} Break;case MotionEvent.ACTION_UP:case MotionEvent.ACTION_POINTER_UP:mode = none;break

(ResultCode! =RESULT_OK) { return; } Else { Switch(requestcode) { CaseImage_request_code:resizeimage (Data.getdata ()); Break; CaseCamera_request_code:if(Issdcardexisting ()) {Resizeimage (Getimageuri ()); } Else{toast.maketext (mainactivity). This,"No memory card found, no photos saved! ", Toast.length_long). Show (); } Break; CaseResize_request_code:if(Data! =NULL) {showresizeimage (data); } Break; }} super.onactivityresult

In an application to replace the user's avatar, generally have to take pictures and choose photos from the gallery two ways, now there are many open-source online, but many are too complex. And Android-crop This cubby small, the code is not complex, more suitable, but it does not take pictures of this function, we need to integrate them.Call system camera to take

= "Wrap_content"android:gravity= "Center"> ImageViewAndroid:id= "@+id/image"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"android:layout_gravity= "Center" /> LinearLayout> LinearLayoutAndroid:id= "@+id/buttons"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:layout_alignparentbottom= "true"android:layout_gravity= "Bottom"android:orientation= "Horizontal"> ButtonAndroid:id= "@+id/last"Android:layout_width= "Wrap_conten

For the ListView asynchronous load Picture This problem, wheat college Android development teacher said a very practical method, wheat college Android development teacher says that anything is to get pictures through the network general Use this method is better, the user experience is good, the following said the implementation method, Paste the code of the Main

This project is an Android file browser that can be browsed by music, pictures and videos. With multi-Select, open, copy, paste, delete, rename, view properties and other functions, and can also switch the list to display the effect and browse the file category, it is regrettable that the source comments are not many, the project code UTF-8 compiled version 2.3.3. MediaCenter is the main project of the prog

This project is an Android file browser that can be browsed by music, pictures and videos. With multi-Select, open, copy, paste, delete, rename, view properties and other functions, and can also switch the list to display the effect and browse the file category, it is regrettable that the source comments are not many, the project code UTF-8 compiled version 2.3.3. MediaCenter is the main project of the prog

The Wheat Academy's Android teacher gave you a picture of us speaking Android more unratingbar when it comes to Ratingbar is a good component of our system showing fractions, but we generally want to make the ratingbar more beautiful to decorate, To replace the system's default image with a picture that looks better, the system defaults to this:Xml Code 1. version= "1.0" encoding= "Utf-8"?>2. 3. 8. Then bu

Android imitation photo, second shot, video cover selection. Pictures have truth. android cover I am too lazy to add comments when there are not many codes. Forgive me for being lazy. No thread is added for obtaining the thumbnail. FC may occur on some low-end servers or HD videos. You need to add the required children's shoes. Code: package com.tan.videosele

Photo wall This kind of function is quite common now, in many applications you can often see the shadow of the picture wall. Its design is actually very simple, with a GridView control as a "wall", and then along with the GridView rolling a picture affixed to the "wall", these photos can be stored on the phone locally, can also be downloaded from the Internet. To make an application similar to this one, there is a very important question to consider when the picture resources should be released.

The example in this article describes how Android programming displays pictures on the network. Share to everyone for your reference, specific as follows: To display a picture on the network in Android, you need to find the image address based on the URL, then convert the image into a Java InputStream, and then convert the InputStream stream into a bitmap. Bitma