What is the ImageView?
What is the ImageView?
ImageView class is used to display any kind of image resource in the android application either it can be android. graphics. Bitmap or android. graphics. Application of ImageView is also in applying tints to an image in order to reuse a drawable resource and create overlays on background images.
What is the use of setImageResource?
setImageResource(): Use a resource id to set the content of the ImageView. setImageUri(): Use a URI to set the content of the ImageView.
What is foreground attribute android?
The foreground attribute in the FrameLayout class allows you to overlay a drawable on top of whatever is inside the FrameLayout. By setting your foreground to? android:attr/selectableItemBackground, you are placing the Android-standard selectableItemBackground over your entire image.
Which attribute is used to set an image in ImageView?
src: src is an attribute used to set a source file or you can say image in your imageview to make your layout attractive.
How do I make an image fit in ImageView?
Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?
- Initially ImageView dimensions are 250dp * 250dp.
- The image’s larger dimension should be scaled up/down to 250dp.
- The image should keep its aspect ratio.
- The ImageView dimensions should match scaled image’s dimensions after scaling.
How do I make my picture fit on Android without stretching?
2 Answers. There is no built-in scale type that allows the ImageView to automatically upscale the image and keep its aspect ratio intact. The only scale type that does upscaling is fitXY , which won’t respect the aspect ratio, as you found out yourself too.
Which XML attribute should be used to make an ImageView accessible?
When using an ImageView , ImageButton , CheckBox , or other View that conveys information graphically, use an android:contentDescription attribute to provide a content label for that View .
What is the use of bitmap in android?
The Bitmap class has many methods that allow us to create an instance of a Bitmap by using java . These methods will allow us to set the width , height , density , and number of pixels of a Bitmap .
What is a foreground notification?
Foreground services are an advanced Android concept which allows you to display notifications to your users when running long lived background tasks. The notification acts like any other notification, however it cannot be removed by the user and lives for the duration of the service.
How do I hide foreground notifications on Android?
Here, the trick is to create two services that start in the foreground with the same foreground id, then to stop one of the services requesting to remove the notification. The notification will disappear, but the remaining service will continue to run and will remain flagged as a foreground process.
How do I make my picture fit on android without stretching?
How can I crop a picture without losing quality android?
9 Best Apps to Resize Images On Android Devices
- Image Size App.
- Photo Compress 2.0.
- Photo and Picture Resizer.
- Resize Me.
- Pixlr Express.
- Image Easy Resizer & JPG – PNG.
- Reduce Photo Size.
- Image Shrink Lite – Batch Resize.
What is the use of @Param drawableresid in imageview?
An ImageView which supports a foreground drawable. * views in the frame layout. * @param drawableResId The drawable resource to be drawn on top of the children. * views in the frame layout. * @param drawable The Drawable to be drawn on top of the children.
Why can’t I use setforeground() on a framelayout?
That is a documentation bug. setForeground () existed on FrameLayout from API Level 1; it is only on View as of API Level 23. Since the setForeground method was added for the FrameLayout in API Level 1, as a workaround you can wrap your view inside a FrameLayout then use the setForeground method to the layout, it will work, eg:
What is the meaning of foregrounding?
” Foregrounding is essentially a technique for ‘making strange’ in language, or to extrapolate from Shklovsky’s Russian term ostranenie, a method of ‘defamiliarisation’ in textual composition.
What is the difference between foregrounded and background clauses?
The clauses which convey the most central or important information are called foregrounded clauses, and their propositional content is foreground information. The clauses which elaborate the central propositions are called backgrounded clauses, and their propositional content is background information.