How do you fill imageview to screen in android

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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="galleryimages.galleryimages.Main2Activity"
    android:background="#000000"
    android:id="@+id/linear1">


    <ImageView
        android:id="@+id/iv_image2"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        android:layout_above="@+id/button1"
        android:layout_weight="0"
        android:layout_gravity="center"
        tools:ignore="InvalidId" />


    <ImageButton
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_gravity="center_horizontal"
        android:layout_weight="1"
        android:adjustViewBounds="false"
        android:background="#ffffff"
        android:gravity="bottom"
        android:src="@drawable/ic_delete_black_24dp" />


</RelativeLayout>

i want the images to fill the whole screen. And should i write separate code for 18:9 ratio mobiles? Also,if i delete an image, it's not syncing with google photos.

Add this attribute to the ImageView:

android:scaleType="centerCrop"  

or

android:scaleType="fitXY"

Scale an image up to fill entire ImageView in Android, It doesn't matter if you use android:src or ImageView.setImage* methods and the This will stretch the image to fit the screen while maintaining the aspect ratio. I explain in this article how to set a wallpaper from an ImageView in Android. In this article first of all we select an image from an ImageView using the "Select Image" Button. After that we will choose an image and we will then change the wallpaper.

you can use from this code:

 <ImageView
                android:id="@+id/img"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_alignParentTop="true"
                android:layout_gravity="center"
                android:layout_marginBottom="64dp"
                android:adjustViewBounds="true" />

and other way:

DisplayMetrics displayMetrics = new DisplayMetrics();
            getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
            int height = displayMetrics.heightPixels;
            int width = displayMetrics.widthPixels;
            int ratio = imgTop.getDrawable().getIntrinsicWidth() / imgTop.getDrawable().getIntrinsicHeight();
            int newheght = width / ratio;
            imgTop.getLayoutParams().height = newheght;

Scale Image to fill ImageView width and keep aspect ratio, Proportional image resizing is a fairly common scenario while developing an Android app: there are a number of situations where you might  For example, you can make an ImageView act like a simple Button by adding android:onClick to the ImageView. In this task you make the images in your layout clickable. 2.1 Create a Toast method. In this task you add each method for the android:onClick attribute to call when each image is clicked.

i think you must add below code:

 android:adjustViewBounds="true"

in xml file

Android: proportionally stretch an ImageView to fit the whole screen , In certain cases, the image needs to be scaled to fit the parent view's width An ImageView can display an image differently based on the scaleType provided. from the layoutparams, at the top of the xml of the activity. Otherwise the image will have problem filling the entire screen. You can use practically any layout and just set the background image to your image. Then just make width and height fill parent.

This always works for me. Add it in the ImageView attribute:

   android:scaleType="fitCenter"

Working with the ImageView, But we know this doesn't really work so let's dig in a little bit more and see what Matrix.ScaleToFit.FILL does. The image is going to scale  In Android, you can use “android.widget.ImageView” class to display an image file. Image file is easy to use but hard to master, because of the various screen and dpi in Android devices. Image file is easy to use but hard to master, because of the various screen and dpi in Android devices.

A guide for Android ImageView ScaleType and adjustViewBounds, Scale the image using Matrix.ScaleToFit#FILL . From XML, use this syntax: android:scaleType="fitXY" . MATRIX. Added  Brief Example: If you have define LinearLayout with android:weightSum=”100″ and after that you have add three layouts inside parent layout with android:layout_weight=”50″, android:layout_weight=”25″, android:layout_weight=”25″ attribute then it will automatically divide the complete device screen into three parts and gives the first layout to 50% of screen and second layout to

ImageView.ScaleType, Size on heap: Once android is going to display this bitmap it will be place on fit is the same as resize, but with a minimum delay waiting for imageView to be  dependencies {compile ‘com.android.support.constraint:constraint-layout:1.0.2’} Now as you are ready to go the first and foremost thing that you have to do is replace the parent layout with ConstraintLayout. The view inside constraint layout have to be defined through the constraints like to the left/right/top/bottom of the view by default

Scale a bitmap to fit height or width - JPARDOGO, Glide Version:3.7 Integration libraries:Okhttp3 Device/Android Version: all to resize an image such that it will fit an Imageview without any blank spaces and The basic idea is to display the image fitCenter (1, 3, 4) + fill the  It requires you to have a dedicated splash screen Activity. This allows you to quickly solve the first 2 issues in Method 1. All you have to do in this step is to create a new splash Activity and assign the launcher theme to it in your AndroidManifest.xml file (Like in Method 1). Then edit your splash activity to route to the various pages.

Comments
  • Given you don't want to have black, I would suggest adding android:scaleType="centerCrop" . This will fit the image so it fills the screen. Using an image that reflects the aspect ratio of the phone will result in less cropping. Using fitXY will result in deforming the image from its original aspect ratio.
  • I tried them.It works fine for some images .If the image is a horizontal image then the picture is zoomed
  • i want the images to fill the whole screen this is what you wanted
  • Then post another question and explain what you want exactly providing all the code or images that may be helpful.