Android的SwitchCompat和Switch

SwitchCompat

java.lang.Object
↳ android.view.View
↳ android.widget.TextView
↳ android.widget.Button
↳ android.widget.CompoundButton
↳ android.support.v7.widget.SwitchCompat

属性	相关方法	作用
android:showText	setShowText(boolean)	Whether to draw on/off text.
android:splitTrack	setSplitTrack(boolean)	Whether to split the track and leave a gap for the thumb drawable.
android:switchMinWidth	setSwitchMinWidth(int)	Minimum width for the switch component。 Must be a dimension value, which is a floating point number appended with a unit such as "14.5sp".
android:switchPadding	setSwitchPadding(int)	Minimum space between the switch and caption text。Must be a dimension value, which is a floating point number appended with a unit such as "14.5sp".
android:switchTextAppearance	setSwitchTextAppearance(Context,int)	TextAppearance style for text displayed on the switch thumb.
android:textOff	setTextOff(CharSequence)	Text to use when the switch is in the unchecked/"off" state.
android:textOn	setTextOn(CharSequence)	Text to use when the switch is in the checked/"on" state.
android:textStyle	setSwitchTypeface(Typeface)	Style (bold, italic, bolditalic) for the text.
android:thumb	setThumbResource(int)	Drawable to use as the "thumb" that switches back and forth.
android:thumbTextPadding	setThumbTextPadding(int)	Amount of padding on either side of text within the switch thumb.
android:thumbTint	setThumbTintList(ColorStateList)	Tint to apply to the thumb.
android:thumbTintMode	setThumbTintMode(PorterDuff.Mode)	Blending mode used to apply the thumb tint.
android:track	setTrackResource(int)	Drawable to use as the "track" that the switch thumb slides within.
android:trackTint	setTrackTintList(ColorStateList)	Tint to apply to the track.
android:trackTintMode	setTrackTintMode(PorterDuff.Mode)	Blending mode used to apply the track tint.
android:typeface	setSwitchTypeface(Typeface)	Typeface (normal, sans, serif, monospace) for the text.

Switch

java.lang.Object
↳ android.view.View
↳ android.widget.TextView
↳ android.widget.Button
↳ android.widget.CompoundButton
↳ android.widget.Switch

属性	相关方法	作用
android:showText	setShowText(boolean)	Whether to draw on/off text.
android:splitTrack	setSplitTrack(boolean)	Whether to split the track and leave a gap for the thumb drawable.
android:switchMinWidth	setSwitchMinWidth(int)	Minimum width for the switch component. Must be a dimension value, which is a floating point number appended with a unit such as "14.5sp".
android:switchPadding	setSwitchPadding(int)	Minimum space between the switch and caption text。Must be a dimension value, which is a floating point number appended with a unit such as "14.5sp".
android:switchTextAppearance	setSwitchTextAppearance(Context,int)	TextAppearance style for text displayed on the switch thumb.
android:textOff	setTextOff(CharSequence)	Text to use when the switch is in the unchecked/"off" state.
android:textOn	setTextOn(CharSequence)	Text to use when the switch is in the checked/"on" state.
android:textStyle	setSwitchTypeface(Typeface)	Style (bold, italic, bolditalic) for the text.
android:thumb	setThumbResource(int)	Drawable to use as the "thumb" that switches back and forth.
android:thumbTextPadding	setThumbTextPadding(int)	Amount of padding on either side of text within the switch thumb.
android:thumbTint	setThumbTintList(ColorStateList)	Tint to apply to the thumb.
android:thumbTintMode	setThumbTintMode(PorterDuff.Mode)	Blending mode used to apply the thumb tint.
android:track	setTrackResource(int)	Drawable to use as the "track" that the switch thumb slides within.
android:trackTint	setTrackTintList(ColorStateList)	Tint to apply to the track.
android:trackTintMode	setTrackTintMode(PorterDuff.Mode)	Blending mode used to apply the track tint.
android:typeface	setSwitchTypeface(Typeface)	Typeface (normal, sans, serif, monospace) for the text.

在使用中发现Switch控件会出现按钮滑动一点点手指松开后，按钮停留在手指离开的位置，按钮既不处于true也不处于false状态，此时也无返回值，而SwitchCompat会判断此时滑动位置，将按钮滑动到底或者返回初始状态。 SwitchCompat和Switch大部分xml属性相同，但是在写xml属性是Switch的属性是以android开头，而SwitchCompat则是app开头的，两者switchTextAppearance的书写也有所区别。并且在开发中发现，由于SwitchCompat是v7包中的，则必须APP主题是以AppCompat下的，否则无选择效果，不可点击。

Switch

 <Switch
                android:id="@+id/switch1"
                android:layout_width="368px"
                android:layout_height="100px"
                android:showText="true"
                android:switchTextAppearance="@style/SwitchTxt"
                android:textOff="开"
                android:textOn="关"
                android:thumb="@drawable/thumb"
                android:track="@android:color/transparent" />

SwitchCompat

 <android.support.v7.widget.SwitchCompat
                android:id="@+id/switchcompat"
                android:layout_width="368px"
                android:layout_height="100px"
                android:textOff="开"
                android:textOn="关"
                android:checked="true"
                android:thumb="@drawable/thumb"
                app:showText="true"
                app:switchTextAppearance="@style/switch.txt"
                app:theme="@style/MySwitch"
                app:track="@android:color/transparent" />

style

    <style name="SwitchTxt" parent="@android:style/TextAppearance.Material.Widget">
        <item name="android:textSize">36px</item>
        <item name="android:textColor">@android:color/white</item>
    </style>

    <style name="MySwitch" parent="Theme.AppCompat.Light">
        <item name="colorControlActivated">@android:color/transparent</item>
        <item name="colorSwitchThumbNormal">@android:color/transparent</item>
        <item name="android:colorForeground">@android:color/transparent</item>
    </style>

    <style name="switch.txt" parent="Theme.AppCompat.Light">
        <item name="android:textSize">36px</item>
        <item name="android:textColor">@android:color/white</item>
    </style>