package com.example.preference;
import android.content.Context;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.Preference.OnPreferenceClickListener;
import android.widget.Toast;
public class MainActivity1 extends PreferenceActivity {
Context mContext = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 从资源文件中添Preferences ，选择的值将会自动保存到SharePreferences
addPreferencesFromResource(R.xml.checkbox);
mContext = this;
//CheckBoxPreference组件
CheckBoxPreference mCheckbox0 = (CheckBoxPreference) findPreference("checkbox_0");
mCheckbox0.setOnPreferenceClickListener(new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
//这里可以监听到这个CheckBox 的点击事件
return true;
}
});
mCheckbox0.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference arg0, Object newValue) {
//这里可以监听到checkBox中值是否改变了
//并且可以拿到新改变的值
Toast.makeText(mContext, "checkBox_0改变的值为" + (Boolean)newValue, Toast.LENGTH_LONG).show();
return true;
}
});
CheckBoxPreference mCheckbox1 = (CheckBoxPreference) findPreference("checkbox_1");
mCheckbox1.setOnPreferenceClickListener(new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
//这里可以监听到这个CheckBox 的点击事件
return true;
}
});
mCheckbox1.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference arg0, Object newValue) {
//这里可以监听到checkBox中值是否改变了
//并且可以拿到新改变的值
Toast.makeText(mContext, "checkBox_1改变的值为" + (Boolean)newValue, Toast.LENGTH_LONG).show();
return true;
}
});
}
}
![复制代码]()
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen
xmlns:android="http://schemas.android.com/apk/res/android">
<PreferenceCategory android:title="CheckBoxPreference">
<CheckBoxPreference android:key="checkbox_0"
android:title="CheckBox_A"
android:summary="这是一个勾选框A" >
</CheckBoxPreference>
<CheckBoxPreference android:key="checkbox_1"
android:title="CheckBox_B"
android:summary="这是一个勾选框B" >
</CheckBoxPreference>
</PreferenceCategory>
</PreferenceScreen>
