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POSet size of button with drawable background dynamically/programmatically
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  1. POSet size of button with drawable background dynamically/programmatically
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    copied!<p>I have a button that has the following properties:</p> <p><strong>circle_normal.xml (in res/drawable)</strong></p> <pre><code>&lt;shape xmlns:android="http://schemas.android.com/apk/res/android" android:padding="10dp" android:shape="oval" &gt; &lt;solid android:color="#FF6347" /&gt; &lt;size android:height="325dp" android:width="325dp" /&gt; &lt;/shape&gt; </code></pre> <p><strong>circle.xml (in res/drawable)</strong></p> <pre><code>&lt;selector xmlns:android="http://schemas.android.com/apk/res/android"&gt; &lt;item android:drawable="@drawable/circle_pressed" android:state_pressed="true"/&gt; &lt;item android:drawable="@drawable/circle_normal"&gt;&lt;/item&gt; &lt;/selector&gt; </code></pre> <p><strong>activity_main.xml (in res/layout)</strong></p> <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/layout_main" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".Main" &gt; &lt;Button android:id="@+id/button_study" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_centerVertical="true" android:background="@drawable/circle" android:gravity="center" /&gt; &lt;/RelativeLayout&gt; </code></pre> <p><strong>Main.java (in src)</strong></p> <pre><code>buttonStudy = (Button) findViewById(R.id.button_study); </code></pre> <p>The final product is that I get a button that is in the shape of a circle. However, due to the difference screen sizes on different Android devices, this one circle size is insufficient. I've looked at a few other questions similar to this but their solutions didn't help me very much. How do I change its size dynamically in the Java code?</p>
 

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