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Feb 11, 2016
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84 changes: 84 additions & 0 deletions
84
app/src/main/java/com/codeboy/qianghongbao/widget/CustomSwitchPreference.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package com.codeboy.qianghongbao.widget; | ||
|
|
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| import android.content.Context; | ||
| import android.os.Build; | ||
| import android.preference.SwitchPreference; | ||
| import android.util.AttributeSet; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.Switch; | ||
|
|
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| /** | ||
| * <p>Created 16/2/7 下午7:38.</p> | ||
| * <p><a href="mailto:730395591@qq.com">Email:730395591@qq.com</a></p> | ||
| * <p><a href="http://www.happycodeboy.com">LeonLee Blog</a></p> | ||
| * | ||
| * @author LeonLee | ||
| */ | ||
| public class CustomSwitchPreference extends SwitchPreference { | ||
|
|
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| /** | ||
| * Construct a new SwitchPreference with default style options. | ||
| * | ||
| * @param context The Context that will style this preference | ||
| */ | ||
| public CustomSwitchPreference(Context context) { | ||
| super(context, null); | ||
| } | ||
|
|
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| /** | ||
| * Construct a new SwitchPreference with the given style options. | ||
| * | ||
| * @param context The Context that will style this preference | ||
| * @param attrs Style attributes that differ from the default | ||
| */ | ||
| public CustomSwitchPreference(Context context, AttributeSet attrs) { | ||
| super(context, attrs); | ||
| } | ||
|
|
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| /** | ||
| * Construct a new SwitchPreference with the given style options. | ||
| * | ||
| * @param context The Context that will style this preference | ||
| * @param attrs Style attributes that differ from the default | ||
| * @param defStyle Theme attribute defining the default style options | ||
| */ | ||
| public CustomSwitchPreference(Context context, AttributeSet attrs, int defStyle) { | ||
| super(context, attrs, defStyle); | ||
| } | ||
|
|
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| @Override | ||
| protected void onBindView(View view) { | ||
| if(Build.VERSION.SDK_INT <= Build.VERSION_CODES.JELLY_BEAN_MR1) { | ||
| // Clean listener before invoke SwitchPreference.onBindView | ||
| ViewGroup viewGroup = (ViewGroup) view; | ||
| clearListenerInViewGroup(viewGroup); | ||
| } | ||
| super.onBindView(view); | ||
| } | ||
|
|
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| /** | ||
| * Clear listener in Switch for specify ViewGroup. | ||
| * | ||
| * @param viewGroup The ViewGroup that will need to clear the listener. | ||
| */ | ||
| private void clearListenerInViewGroup(ViewGroup viewGroup) { | ||
| if (null == viewGroup) { | ||
| return; | ||
| } | ||
|
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| int count = viewGroup.getChildCount(); | ||
| for (int n = 0; n < count; ++n) { | ||
| View childView = viewGroup.getChildAt(n); | ||
| if (childView instanceof Switch) { | ||
| final Switch switchView = (Switch) childView; | ||
| switchView.setOnCheckedChangeListener(null); | ||
| return; | ||
| } else if (childView instanceof ViewGroup) { | ||
| ViewGroup childGroup = (ViewGroup) childView; | ||
| clearListenerInViewGroup(childGroup); | ||
| } | ||
| } | ||
| } | ||
|
|
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| } |
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