Android tutorial - Create Different Folders for Adding Different Resolution Images in Android Studio | image resolution - android studio tutorial

What is Resolution Images?

 resolution images in android
  • Resolution refers to the number of pixels in an image.
  • Resolution is sometimes identified by the width and height of the image as well as the total number of pixels in the image.
  • For example, an image that is 2048 pixels wide and 1536 pixels high (2048X1536) contains (multiply) 3,145,728 pixels (or 3.1 Megapixels).
  • Android support a wide range of devices and if you want to create an application in android then your application must be compatible with the different mobile devices.
  • For supporting the different screen sizes, you must have different size images which you will save in various folders.
  • Usually Android has four folder which covers almost every device, drawable-ldpi, drawable-mdpi, drawable-hdpi, drawable-xhdpi.

Background Images Dimensions for these different folders are as follows:

  • ldpi = 240×320 pixels
  • mdpi = 320×480 pixels
  • hdpi = 480×800 pixels
  • xhdpi = 720×1280 pixels

How to Add/Create different folders for adding different resolution Images in Android Studio:

  • Step 1:
  • First of all, you must have different images for these folder with given resolution.
  • You can get the images in different resolutions through 9-Patches or you can use any high-end image editor tool like Adobe Photoshop.
 tools of resolution image
  • Step 2:
  • Once you have all the images with you, now it’s time to create the folders for images.
  • Navigate to Project View in Android Studio
 projecti perspective of android studio
  • Step 3: Go to App folder src > main > res folder.
  • Step 4:
  • Right click on res folder.
  • Select New and then click Directory.
 new directory for resolution images in android
  • Step 5:
  • Enter the name of your directory for example: drawable-ldpi.
 idpi directory for resolution studio
  • Step 6:
  • Now you have”drawable-lpdi” folder inside res folder.
  • You can create rest of the folder “drawable-mdpi”,” drawable-hdpi” and “drawable-xhdpi”.
  • Step 7:
  • You can paste the different resolution images inside respective different folders.
 paste images in drawable idpi android studio

Important Note:

  • While pasting images to different resolution folder, keep one thing in mind all the images should have common name.
  • For example: inside drawable-hdpi >image.png then drawable-xhdpi >image.png.
  • That means name of the images is same but every image has different resolution.
  • So in this way you just have to write android:background:@drawable/image and android will automatically adjust the image as per different mobile resolution.

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