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POSet the height of an AlertDialog with a custom view of zero intrisic size
 

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    <h2>Context</h2> <p>A seamingly simple task, I want to set the height of an <code>AlertDialog</code> containing a custom view. Going through the dozen of SO questions on this subject, I came up with 12! possible answers. After having tried all of them (that's 15 years at a try per second), it seems that banging my head on the screen has the same effect: none. The reason I want to do that is that my custom view has no intrisic dimensions, it just spans the space it is given.</p> <hr> <h2>Goals</h2> <p>The question here refers to the soft goal, but I'd happily accept an answer for the hard goal!</p> <p><strong>Soft goal:</strong> Create an <code>AlertDialog</code> having a custom empty <code>ViewGroup</code> (or containing, say, an <code>ImageView</code>), and set the dialog's width and height to a specific value.</p> <p><strong>Hard goal:</strong> Create an <code>AlertDialog</code> displaying a <em>square</em> shape taking the most space possible, when the dialog's dimensions are given programatically.</p> <hr> <h2>My Tries, Condensed</h2> <p><strong>java:</strong></p> <pre><code>View layout = getLayoutInflater ().inflate (R.layout.alerttest, null); AlertDialog alert = new AlertDialog.Builder (this) .setPositiveButton(R.string.alert_dialog_ok, null) .setTitle ("Don't cry, will you?") // .setView (layout) may be done here. .create(); alert.show (); // alert.setView (layout) here, or before .show, or I can use the doc's: FrameLayout fl = (FrameLayout) alert.findViewById (android.R.id.custom); fl.addView (layout, new LayoutParams (500, 500)); // Arbitrary dimensions alert.getWindow ().setLayout (800, 600); // Or use before show (), or use alert.getWindow ().setAttributes with // a WindowManager.LayoutParams crafted from getWindow ().getAttributes. // Tried before and after show. </code></pre> <p><strong>alerttest.xml:</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;!-- Tried with and without the encapsulating FrameLayout. --&gt; &lt;FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content"&gt; &lt;LinearLayout android:layout_width="500dp" android:layout_height="500dp"&gt; &lt;!-- Tried with a Space, an ImageView with a src. --&gt; &lt;ImageView android:layout_width="match_parent" android:layout_height="match_parent"/&gt; &lt;/LinearLayout&gt; &lt;/FrameLayout&gt; </code></pre> <p><strong>Results:</strong> When it does not crash (for usually good reasons), only the width is set. Height is collapsed.</p> <hr> <h3>Related questions</h3> <ul> <li><a href="https://stackoverflow.com/questions/11856550/androidhow-can-i-set-the-alertdialog-width-and-height-and-the-button-of-the-ale">Android:How can I set the AlertDialog width and height,and the button of the AlertDialog style?</a></li> <li><a href="https://stackoverflow.com/questions/5648477/height-of-a-alertdialog">Height of an AlertDialog</a></li> <li><a href="https://stackoverflow.com/questions/2795300/how-to-implement-a-custom-alertdialog-view">How to implement a custom AlertDialog View</a></li> </ul> <p>Thanks very much!</p>
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