How do I use ImageView?

ImageView” class to display an image file….Android ImageView example

  1. Add Image to Resources. Put your images into folder “ res/drawable-ldpi “, “ res/drawable-mdpi ” or “ res/drawable-hdpi “.
  2. Add ImageView. Open “res/layout/main.
  3. Code Code. Simple, when button is clicked, change it to “android3d.
  4. Demo. Run the application.

Which of the following attributes should you add to ImageView and ImageButton elements to enable screen readers to describe the image?

Non-textual widgets like ImageViews and ImageButtons should use the contentDescription attribute to specify a textual description of the widget such that screen readers and other accessibility tools can adequately describe the user interface.

What is difference between ImageView and ImageButton in android?

ImageButton has the same property as ImageView . Only one feature is extra, which is, images set through ImageButton are clickable, and actions can be attached with them upon clicking. Just like a button, the setOnClickListener() can be used to set an event listener for click event on this.

Can we add text in ImageView in android?

With a FrameLayout you can place a text on top of an image view, the frame layout holding both an imageView and a textView.

What is content description in ImageView?

The content description attribute links a text description to a control, ImageView, or other focusable object that otherwise has no text content. These objects wouldn’t be accessible without some some sort of label or description.

How do you overlay two pictures on android?

Step by Step Implementation

  1. Step 1: Create a New Project in Android Studio.
  2. Step 2: Import images of your choice in the drawable folder.
  3. Step 3: Create a Drawable Resource File with root element as layer-list (layer.xml)
  4. Step 4: Add items (imported images) to the layer.xml.

How do I write text over a picture in Android Studio and save it?

Linked

  1. Draw text on jpg image android.
  2. Write text on image and save the image with text in the SD card without drawing it on the screen.
  3. Keep added textview position over imageview, when saved.
  4. combine two images which is overlay.
  5. Android Studio Working With Images.
  6. -5.

What is the purpose of image switcher in Android?

Android image switcher provides an animation over images to transition from one image to another. In order to use image switcher, we need to implement ImageSwitcher component in . xml file. The setFactory() method of ImageSwitcher provide implementation of ViewFactory interface.

How do I get Bitmap from ImageView?

Bitmap bm=((BitmapDrawable)imageView. getDrawable()). getBitmap(); Try having the image in all drawable qualities folders (drawable-hdpi/drawable-ldpi etc.)

Which XML attribute should be used to make an ImageView?

Like ALT in Websites, in Android you can use contentDescription attribute in your ImageViews. This property is used primarily for accessibility.