Shadow formation is not considered as a true image. Since shadows are formed by lack of light within the space as a result of having an opaque thing within the path of light, while image is created by light caused by diffraction, refraction, reflection, etc.
Now, we will come up with a new topic, that is how to draw the Android: shadow of Image in ImageView. We have looked for the solutions to this question, along with interesting knowledge related to it. This is going to help you develop a more research-oriented mindset and make it simpler for you to answer these kinds of questions. Let’s check out!
What is the Android: shadow of Image in ImageView?
When we are talking about photography the term ‘shadow’ is used to display the darkest parts of an image. Shadows are usually rendered in tonal black values, but when properly exposed, it is capable of holding huge amounts of detail. Balancing details in the shadow and highlights is one of the main focuses of creating a well-exposed photograph. Modifying the illumination and the exposure of shadow within an image may be used to increase or eliminate the darkness of an image, drastically changing the overall appearance and the depth of an image. Techniques like fill flash or stacking of exposures can be used to drastically change the look of shadows in an image.
However, it sometimes will have the problem that you confuse how to draw the shadow of Image in ImageView. Let’s explore an example of the purpose of drawing shadows of Image in ImageView.
When developing a simple application of gallery and selecting on the thumbnail with the layout here:
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/expanded_image_container" android:layout_width="match_parent" android:layout_height="match_parent" > <ImageView android:id="@+id/expanded_image" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginLeft="20dip" android:layout_marginRight="20dip" android:layout_marginTop="20dip" android:layout_marginBottom="20dip" /> </FrameLayout>
This is just stretch choosed image proportionally to match with the full screen but how to draw shadow for the image?.
How to draw shadows for the image?
Below are some effective and simple recommendations on how to draw shadows for the image. Select the best answer for your problem.
Solution 1: Apply an ImageView
- Apply a shadow 9-patch (it is transparent at the middle & has a thin border or shadow) as the background.
- Set the regular image as the source image, with setImageResource() is an example
- Apply paddings (not margin) in the ImageView
These steps display that the source image doesn’t cover the shadow and the size of paddings will be similar to the border or shadow
Solution 2: Do these steps
- A frame layout contains the imageView 1 & the gallery.
- Apply the theme of Transparent.
The image in the gallery will not react to the touches
Refer to the link here to understand this way
Solution 3: In orientation landscape
In case of ImageView was stretched by means of layout_width=”match_parent” and android:layout_height=”match_parent” , do the following way
Setting android:adjustViewBounds=”true” for ImageView
Solution 4: In orientation_ portrait
Similar to landscape, setting android:adjustViewBounds=”true” for ImageView
Then, do this:
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