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POHow to locate the checkbox at the center of a button vertically
 

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  1. POHow to locate the checkbox at the center of a button vertically
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    <p>I have a checkbox implemented in xml and locate the checkbox xml on top of a button.</p> <p></p> <p>custom_checkbox.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;selector xmlns:android="http://schemas.android.com/apk/res/android"&gt; &lt;item android:state_checked="true" android:drawable="@xml/checked" /&gt; &lt;item android:state_pressed="true" android:drawable="@xml/checked" /&gt; &lt;item android:drawable="@xml/unchecked" /&gt; &lt;/selector&gt; </code></pre> <p>checked.xml</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"&gt; &lt;gradient android:startColor="#ffff0000" android:endColor="#ff000000" android:angle="270"/&gt; &lt;stroke android:width="4dp" android:color="#ffc0c0c0" /&gt; &lt;size android:height="20dp" android:width="20dp"/&gt; &lt;/shape&gt; </code></pre> <p>unchecked.xml</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"&gt; &lt;gradient android:startColor="#ff585858" android:endColor="#ff000000" android:angle="270"/&gt; &lt;stroke android:width="4px" android:color="#ffc0c0c0" /&gt; &lt;size android:height="20dp" android:width="20dp"/&gt; &lt;/shape&gt; </code></pre> <p>The checkbox is located on top of a button as shown in the attached image. How can I center the checkbox vertically in the xml? Thanks</p> <p>EDIT 1: My layout xml is</p> <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" 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=".SettingActivity" &gt; &lt;Button android:id="@+id/activation" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background ="@color/green_gradient" android:textSize="20sp" style="@style/ButtonText" android:layout_marginTop="32dp" android:text="@string/activation" /&gt; &lt;Button android:id="@+id/overspeed" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_marginTop="46dp" android:textSize="20sp" android:background ="@color/green_gradient" style="@style/ButtonText" android:text="@string/overspeed" /&gt; &lt;CheckBox android:id="@+id/overspeedcheckBox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:button="@xml/custom_checkbox" /&gt; &lt;Button android:id="@+id/autoupdate" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/overspeed" android:layout_below="@+id/overspeed" android:textSize="20sp" android:background ="@color/green_gradient" style="@style/ButtonText" android:layout_marginTop="22dp" android:text="@string/autoupdate" /&gt; &lt;CheckBox android:id="@+id/autoupdatecheckBox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:button="@xml/custom_checkbox"/&gt; &lt;Button android:id="@+id/movementdetect" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/autoupdate" android:background ="@color/green_gradient" android:textSize="20sp" style="@style/ButtonText" android:layout_centerVertical="true" android:text="@string/movement" /&gt; &lt;CheckBox android:id="@+id/movementdetectcheckBox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:button="@xml/custom_checkbox"/&gt; &lt;Button android:id="@+id/geofence" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/movementdetect" android:background ="@color/green_gradient" android:layout_below="@+id/movementdetect" android:textSize="20sp" style="@style/ButtonText" android:layout_marginTop="32dp" android:text="@string/geofence" /&gt; &lt;CheckBox android:id="@+id/geofencecheckBox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:button="@xml/custom_checkbox"/&gt; &lt;Button android:id="@+id/passwordchange" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background ="@color/green_gradient" android:textSize="20sp" style="@style/ButtonText" android:layout_marginTop="32dp" android:text="@string/changepassword" /&gt; &lt;Button android:id="@+id/passwordreset" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background ="@color/green_gradient" android:textSize="20sp" style="@style/ButtonText" android:layout_marginTop="32dp" android:text="@string/passwordreset" /&gt; &lt;Button android:id="@+id/timezonechange" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background ="@color/green_gradient" android:textSize="20sp" style="@style/ButtonText" android:layout_marginTop="32dp" android:text="@string/timezonechange" /&gt; &lt;CheckBox android:id="@+id/timezonecheckBox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:button="@xml/custom_checkbox"/&gt; &lt;Button android:id="@+id/simnumberchange" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background ="@color/green_gradient" android:textSize="17sp" style="@style/ButtonText" android:layout_marginTop="32dp" android:text="@string/simnumberchange" /&gt; &lt;Button android:id="@+id/authorizenumber" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background ="@color/green_gradient" android:textSize="19sp" style="@style/ButtonText" android:layout_marginTop="32dp" android:text="@string/authorizenumber" /&gt; &lt;CheckBox android:id="@+id/authorizenumbercheckBox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:button="@xml/custom_checkbox"/&gt; &lt;Button android:id="@+id/checkstatus" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background ="@color/green_gradient" android:textSize="20sp" style="@style/ButtonText" android:layout_marginTop="32dp" android:text="@string/checkstatus" /&gt; &lt;/RelativeLayout&gt; </code></pre> <p><img src="https://i.stack.imgur.com/W93sr.jpg" alt="enter image description here"></p>
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    1. USbatuman
    1. USbatuman
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    1. COpost your layout xml
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      1. POHow to locate the checkbox at the center of a button vertically
      1. USDong Xiabin
    2. CONot an xml expert, but how do you define the anchor point of the check boxes? It looks like the top edge is at the center of the button and that if you define the anchor point to be (.5,.5) it would put it where you asked for it.
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      1. POHow to locate the checkbox at the center of a button vertically
      1. USPWiggin
    3. CONow, i implemented it in the program as ckeckbox.topMargin = (int) (button.topMargin + (int)(button.height-checkboxHeightPixels)/2);
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      1. POHow to locate the checkbox at the center of a button vertically
      1. USbatuman
 

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