Description: A recent android projects, customer requirements when viewing photos uploaded images, the images can be multi-touch drag, zoom and other operations. The Internet is not a good example of how to achieve the effect of poor.
Here to talk about my plan:
Step one: Customize a View, The View inherited from ImageView. Multi-touch dragging in the View, zoom and other functions.
Step Two: Use ImageView like that, the introduction of the View in XML. Of course, you can dynamically create the View and then added to the container component.
To Search:
File list (Check if you may need any files):
DragImageView
.............\.classpath
.............\.project
.............\AndroidManifest.xml
.............\assets
.............\bin
.............\...\AndroidManifest.xml
.............\...\classes
.............\...\classes.dex
.............\...\.......\com
.............\...\.......\...\jj
.............\...\.......\...\..\drag
.............\...\.......\...\..\....\BitmapUtil.class
.............\...\.......\...\..\....\BuildConfig.class
.............\...\.......\...\..\....\DragImageView$MODE.class
.............\...\.......\...\..\....\DragImageView$MyAsyncTask$1.class
.............\...\.......\...\..\....\DragImageView$MyAsyncTask.class
.............\...\.......\...\..\....\DragImageView.class
.............\...\.......\...\..\....\MainActivity$1.class
.............\...\.......\...\..\....\MainActivity.class
.............\...\.......\...\..\....\R$attr.class
.............\...\.......\...\..\....\R$drawable.class
.............\...\.......\...\..\....\R$id.class
.............\...\.......\...\..\....\R$layout.class
.............\...\.......\...\..\....\R$string.class
.............\...\.......\...\..\....\R.class
.............\...\dexedLibs
.............\...\.........\annotations-f34f12f5a84e230e00a61f54baedf722.jar
.............\...\DragImageView.apk
.............\...\jarlist.cache
.............\...\res
.............\...\...\drawable-hdpi
.............\...\...\.............\ic_launcher.png
.............\...\...\drawable-ldpi
.............\...\...\.............\ic_launcher.png
.............\...\...\drawable-mdpi
.............\...\...\.............\ic_launcher.png
.............\...\...\drawable-xhdpi
.............\...\...\..............\ic_launcher.png
.............\...\resources.ap_
.............\gen
.............\...\com
.............\...\...\jj
.............\...\...\..\drag
.............\...\...\..\....\BuildConfig.java
.............\...\...\..\....\R.java
.............\proguard-project.txt
.............\project.properties
.............\res
.............\...\drawable-hdpi
.............\...\.............\huoying.jpg
.............\...\.............\ic_launcher.png
.............\...\.............\you.jpg
.............\...\drawable-ldpi
.............\...\.............\ic_launcher.png
.............\...\drawable-mdpi
.............\...\.............\ic_launcher.png
.............\...\drawable-xhdpi
.............\...\..............\ic_launcher.png
.............\...\layout
.............\...\......\main.xml
.............\...\values
.............\...\......\strings.xml
.............\src
.............\...\com
.............\...\...\jj
.............\...\...\..\drag
.............\...\...\..\....\BitmapUtil.java
.............\...\...\..\....\DragImageView.java
.............\...\...\..\....\MainActivity.java
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