Created
August 9, 2010 16:37
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IconCheckBoxPreference: An Android CheckBox preference with an optional Icon
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<?xml version="1.0" encoding="UTF-8"?> | |
<LinearLayout | |
xmlns:android="http://schemas.android.com/apk/res/android" | |
android:id="@+android:id/widget_frame" | |
android:layout_width="fill_parent" | |
android:layout_height="wrap_content" | |
android:minHeight="?android:attr/listPreferredItemHeight" | |
android:gravity="center_vertical" | |
android:paddingRight="?android:attr/scrollbarSize"> | |
<ImageView | |
android:id="@+id/icon" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:layout_marginLeft="6dip" | |
android:layout_marginRight="6dip" | |
android:layout_gravity="center" /> | |
<RelativeLayout | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:layout_marginLeft="2dip" | |
android:layout_marginRight="6dip" | |
android:layout_marginTop="6dip" | |
android:layout_marginBottom="6dip" | |
android:layout_weight="1"> | |
<TextView | |
android:id="@+android:id/title" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:singleLine="true" | |
android:textAppearance="?android:attr/textAppearanceLarge" | |
android:ellipsize="marquee" | |
android:fadingEdge="horizontal" /> | |
<TextView | |
android:id="@+android:id/summary" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:layout_below="@android:id/title" | |
android:layout_alignLeft="@android:id/title" | |
android:textAppearance="?android:attr/textAppearanceSmall" | |
android:maxLines="2" /> | |
</RelativeLayout> | |
<CheckBox | |
android:id="@+android:id/checkbox" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:layout_marginRight="4dip" | |
android:layout_gravity="center_vertical" | |
android:focusable="false" | |
android:clickable="false" /> | |
</LinearLayout> |
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package com.jakewharton.utilities; | |
import android.content.Context; | |
import android.graphics.drawable.Drawable; | |
import android.preference.CheckBoxPreference; | |
import android.util.AttributeSet; | |
import android.view.View; | |
import android.widget.ImageView; | |
import com.jakewharton.wakkawallpaper.R; | |
public class IconCheckBoxPreference extends CheckBoxPreference { | |
private Drawable mIcon; | |
public IconCheckBoxPreference(final Context context, final AttributeSet attrs, final int defStyle) { | |
super(context, attrs, defStyle); | |
this.setLayoutResource(R.layout.icon_checkbox_preference); | |
this.mIcon = context.obtainStyledAttributes(attrs, R.styleable.IconPreference, defStyle, 0).getDrawable(R.styleable.IconPreference_icon); | |
} | |
public IconCheckBoxPreference(final Context context, final AttributeSet attrs) { | |
this(context, attrs, 0); | |
} | |
@Override | |
protected void onBindView(final View view) { | |
super.onBindView(view); | |
final ImageView imageView = (ImageView)view.findViewById(R.id.icon); | |
if ((imageView != null) && (this.mIcon != null)) { | |
imageView.setImageDrawable(this.mIcon); | |
} | |
} | |
/** | |
* Sets the icon for this Preference with a Drawable. | |
* | |
* @param icon The icon for this Preference | |
*/ | |
public void setIcon(final Drawable icon) { | |
if (((icon == null) && (this.mIcon != null)) || ((icon != null) && (!icon.equals(this.mIcon)))) { | |
this.mIcon = icon; | |
this.notifyChanged(); | |
} | |
} | |
/** | |
* Returns the icon of this Preference. | |
* | |
* @return The icon. | |
* @see #setIcon(Drawable) | |
*/ | |
public Drawable getIcon() { | |
return this.mIcon; | |
} | |
} |
You can use the same file that is used for the standard icon preference implementations: https://gist.github.com/solar/1002049#file-attrs-xml
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What should be in R.styleable.IconPreference, R.styleable.IconPreference_icon?
Thank you for your answer)