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74 changes: 74 additions & 0 deletions
74
src/com/nightscout/android/utils/CustomSwitchPreference.java
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Original file line number | Diff line number | Diff line change |
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package com.nightscout.android.utils; | ||
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import android.content.Context; | ||
import android.preference.SwitchPreference; | ||
import android.util.AttributeSet; | ||
import android.view.View; | ||
import android.view.ViewGroup; | ||
import android.widget.Switch; | ||
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public class CustomSwitchPreference extends SwitchPreference { | ||
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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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/** | ||
* 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 default style options. | ||
* | ||
* @param context The Context that will style this preference | ||
*/ | ||
public CustomSwitchPreference(Context context) { | ||
super(context, null); | ||
} | ||
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@Override | ||
protected void onBindView(View view) { | ||
// 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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