样式兼容5.0以下的Switch，SwitchCompat的常用属性

android.support.v7.appcompat:showText   Whether to draw on/off text. 是否显示开关状态的文字android.support.v7.appcompat:splitTrack Whether to split the track and leave a gap for the thumb drawable. 是否显示分割轨道的的竖线android.support.v7.appcompat:switchMinWidth Minimum width for the switch component May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". 开关的最小宽度android.support.v7.appcompat:switchPadding  Minimum space between the switch and caption textMay be a dimension value, which is a floating point number appended with a unit such as "14.5sp". 开关和文字的最小距离android.support.v7.appcompat:switchTextAppearance   TextAppearance style for text displayed on the switch thumb. 开关文字的样式android.support.v7.appcompat:thumbTextPadding   Amount of padding on either side of text within the switch thumb. 滑块文字距两侧的距离android.support.v7.appcompat:thumbTint  Tint to apply to the thumb drawable. 轨道颜色android.support.v7.appcompat:thumbTintMode  Blending mode used to apply the thumb tint. 轨道颜色模式android.support.v7.appcompat:track  Drawable to use as the "track" that the switch thumb slides within. 轨道android.support.v7.appcompat:trackTint  Tint to apply to the track. 轨道颜色android.support.v7.appcompat:trackTintMode  Blending mode used to apply the track tint. 轨道颜色模式android:textOff Text to use when the switch is in the unchecked/"off" state. 开关关的状态的文字android:textOn  Text to use when the switch is in the checked/"on" state. 开关开的状态的文字android:thumbDrawable to use as the "thumb" that switches back and forth. 滑块

部分效果图