android imageview set image xml

[Android] takes a photo, saves it, and displays it in the ImageView control. Recently, I am working on Android projects, some of which involve image processing content. the following describes how to call the Camera application to take a photo and save it in the ImageView co

Import java. Io. bufferedoutputstream; 04. Import java. Io. bytearrayoutputstream; 05. Import java. Io. file; 06. Import java. Io. fileoutputstream; 07. Import java. Io. ioexception; 08. Import java. Io. inputstream; 09. 10. Import Android. Graphics. Bitmap; 11. Import Android. Graphics. bitmapfactory; 12. Import Android. Graphics. matrix; 13. 14. Publ

This article is an example of how the Android development ImageView image scaling is implemented. Share to everyone for your reference, specific as follows: Android:scaletype controls how the picture is scaled, as shown in the sample code: Description:centerinside represents scaling the picture so that the length (width) of the picture is less than

Imageview is fully implemented using xml. Click to change an image, xmlimageview Button_share_1_pressed.xml

Build one. XML file, named: Image_tab_bg.xml1 2 selector3 xmlns: Android= "Http://schemas.android.com/apk/res/android" >4 5 6 7 Then you want to implement the picture ImageView SRC set to: @drawable/IMAGE_TAB_BG canNote: Do not

The example of this article describes the Android programming simple implementation of ImageView click of the background image modification method. Share to everyone for your reference, specific as follows: When using ImageView, when clicked, want the background image to be

In order to adapt to different screen of the mobile phone, imageview picture of the display scale, you can use the Android:scaletype property to handle, the following types of processing methods:1. Use in XML configuration: android:scaletype= "Centercrop"2. Use in code: Imageview.setscaletype (ImageView.ScaleType.CENTER_CROP);The value of ScaleType represents the meaning:

. Scaletype.center_inside (android:scaletype= "Centerinside" in the corresponding XML file)The picture size is larger than ImageView, until the entire picture can be centered in the ImageView, the picture is less than ImageView, and is centered directly, not enlarged.For images larger than

Java code will not be pasted, only the xml file will be mounted, Method: 1. Put three images in drawable, which are the images that obtain the focus, press the focus, lose the focus, and press the focus, and the natural state (that is, the focus is lost, and the focus is not pressed ). Here you prepare three photos. 2. Create an imagebutton. xml file in the drawable folder. The content in the file is:

Java code will not be pasted, only the XML file will be mounted, Method: 1. Put three images in drawable, which are the images that obtain the focus, press the focus, lose the focus, and press the focus, and the natural state (that is, the focus is lost, and the focus is not pressed ). Here you prepare three photos. 2. Create an imagebutton. xml file in the drawable folder. The content in the file is:

Android Network image displayed on ImageView When I wrote this blog post, I participated in the development of a project, which involved a lot of network call problems. I remember when I started my android project, once encountered this problem, at that time in the online search, found a blog, now share with you, http:

Android uses TimerTask to implement ImageView image playback, In project development, image playback is often used. Today, TimerTask and ImageView are used to achieve simple image playback. TimerTask and Timer are used in combinat

ImageView and Bitmap conversion. For example, set the current image to the desktop background, ImageView to Bitmap Bitmap bitmap = (BitmapDrawable) img. getDrawable (). getBitmap (); Bitmap bitmap = (BitmapDrawable) img. getDrawable (). getBitmap (); @ Overridepublic boolean onLongClick (View v) {if (

Android custom ImageView image-like upload, Activity Code 1 public class MainActivity extends AppCompatActivity {2 ProcessImageView processImageView = null; 3 int progress = 0; 4 5 @ Override 6 protected void onCreate (Bundle savedInstanceState) {7 super. onCreate (savedInstanceState); 8 setContentView (R. layout. activity_main); 9 10 processImageView = (Process

/** * Set the picture to scale proportionally to the screen width * @param imageView */public static void Setimagematchscreenwidth (ImageView imageView) { bitmapdrawable bitmapdrawable = (bitmapdrawable) imageview.getdrawable (); if (bitmapdrawable = = null) return; Bitmap Bitmap = Bitmapdrawable.getbitmap (); if (Bi

); the } + } - $ PublicvoidSetprogress (intprogress) { $ This. Progress =progress; -if(progress== -){ -flag=true; the } - postinvalidate (); Wuyi } the}Look at the custom view class, in the main OnDraw () method.The drawing is divided into three parts,The first part is the upper semi-transparent areaPaint.setantialias (TRUE);Anti-aliasing Paint.setstyle (Paint.Style.FILL);Set Paint to solid, Paint.Style.STROKE as Hollow Paint.setcolor (Color.parse