StackOverflow2013

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plurals

PO
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Id
12913175
data
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2012-10-16T10:58:00.977
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2012-10-17T13:39:07.397
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2012-10-17T13:39:07.397
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12910682
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2
Score
2
ViewCount
0
LastEditorDisplayName
text
Body
OK, as I see from the answers, there is no solution to force image views to change theirs width and height proportionally. So, this can be solved only programmatically. There is my solution below : a) Create you custom layout class (don't forget to override all the parent constructors with public access modifier, otherwise GUI editor will fail): <pre><code>public class MyLayout extends RelativeLayout {... </code></pre> <del>b) Override method:</del> Deprecated - changing layout params in this method might cause side effects. See recommended approach below <code><del> protected void onLayout(boolean changed, int l, int t, int r, int b) { </del></code> <code><del> ImageView icon = (ImageView) findViewById(R.id.my_image);</del></code> <code><del> icon.setMaxWidth(icon.getMeasuredHeight());</del></code> <code><del> super.onLayout(changed, l, t, r, b);</del></code> <code><del> }</del></code> b) Add creational method: <pre><code>public static MyLayout createLayout(ViewGroup parent) { Context context = parent.getContext(); MyLayout item = (MyLayout) LayoutInflater.from(context).inflate( R.layout.my_layout, parent, false); TextView tv = (TextView) findViewById(R.id.title); ImageView icon = (ImageView) findViewById(R.id.my_image); ViewGroup.LayoutParams p = icon.getLayoutParams(); p.width = (int) tv.getTextSize();; icon.setLayoutParams(p); return item; } </code></pre> c) Final layout: <pre><code><?xml version="1.0" encoding="utf-8"?> <com.mypackage.MyLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal"> <TextView android:id="@+id/title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_centerVertical="true" android:layout_toLeftOf="@+id/my_image" android:ellipsize="end" android:singleLine="true" android:text="Some text" android:textAppearance="?android:attr/textAppearanceMedium" /> <ImageView android:id="@+id/my_image" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="@+id/title" android:layout_alignBottom="@+id/title" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:adjustViewBounds="true" android:src="@drawable/my_bitmap_image" /> </com.mypackage.MyLayout> </code></pre>
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1. POLayout: how to make image to change its width and height proportionally?
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1. PTAnswer
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1. USExterminator13
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1. USExterminator13
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1. POLayout: how to make image to change its width and height proportionally?
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