Android 开发笔记___复选框__checkbox

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="10dp" >

    <CheckBox
        android:id="@+id/ck_system"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="10dp"
        android:checked="false"
        android:text="这是系统的CheckBox"
        android:textColor="#000000"
        android:textSize="17sp" />

    <CheckBox
        android:id="@+id/ck_custom"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:button="@drawable/checkbox_selector"
        android:padding="10dp"
        android:checked="false"
        android:text="这个CheckBox换了图标"
        android:textColor="#000000"
        android:textSize="17sp" />

</LinearLayout>

java

package com.example.alimjan.hello_world;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.CheckBox;
import android.widget.CompoundButton;

/**
 * Created by alimjan on 7/2/2017.
 */

public class class_3_2_1 extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.code_3_2_1);
        CheckBox ck_system = (CheckBox) findViewById(R.id.ck_system);
        CheckBox ck_custom = (CheckBox) findViewById(R.id.ck_custom);
        ck_system.setOnCheckedChangeListener(this);
        ck_custom.setOnCheckedChangeListener(this);
    }

    @Override
    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        String desc = String.format("您%s了这个CheckBox", isChecked?"勾选":"取消勾选");
        buttonView.setText(desc);
    }

    public static void startHome(Context mContext) {
        Intent intent = new Intent(mContext, class_3_2_1.class);
        mContext.startActivity(intent);
    }

}