Switch控件详解
原生效果
5.x
4.x
布局
<Switch
android:id="@+id/setting_switch"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
属性
| Attribute Name |
Related Method |
Description |
| 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. |
状态监听
Switch mSwitch = (android.widget.Switch) findViewById(R.id.setting_switch)
mSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(isChecked) {
//选中时 do some thing
Toast.makeText(MainActivity.this, "enabled", Toast.LENGTH_SHORT).show()
} else {
//非选中时 do some thing
Toast.makeText(MainActivity.this, "disabled", Toast.LENGTH_SHORT).show()
}
}
})
设置开关状态显示的文字
<Switch
android:id="@+id/setting_switch"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:showText="true"
android:textOff="关"
android:textOn="开" />
设置最小显示宽度
android:switchMinWidth="50dp"
