andriod CheckBox，andriodcheckbox

andriod CheckBox，andriodcheckbox

<?xml version="1.0" encoding="UTF-8"?>    <LinearLayout android:orientation="vertical" android:layout_height="fill_parent" android:layout_width="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android">    <TextView android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="多選控制項：" android:id="@+id/label"/>    <CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="AA" android:id="@+id/plain_cb"/>    <CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="BB" android:id="@+id/serif_cb"/>    <CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="CC" android:id="@+id/bold_cb"/>    <CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="DD" android:id="@+id/italic_cb"/>    <Button android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="擷取checkbox" android:id="@+id/button1"/></LinearLayout>

package com.example.yanlei.mytk;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.text.method.HideReturnsTransformationMethod;import android.text.method.PasswordTransformationMethod;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.widget.Button;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends AppCompatActivity {    private CheckBox plainCB;    private CheckBox serifCB;    private CheckBox boldCB;    private CheckBox italicCB;    private Button button1;    @Override    protected void onCreate(Bundle savedInstanceState) {        // TODO Auto-generated method stub        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        plainCB=(CheckBox)findViewById(R.id.plain_cb);        serifCB=(CheckBox)findViewById(R.id.serif_cb);        boldCB=(CheckBox)findViewById(R.id.bold_cb);        italicCB=(CheckBox)findViewById(R.id.italic_cb);        button1=(Button)findViewById(R.id.button1);        button1.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                String result="";                if(plainCB.isChecked()){                    result+=plainCB.getText()+"、";                }                if(serifCB.isChecked()){                    result+=serifCB.getText()+"、";                }                if(boldCB.isChecked()){                    result+=boldCB.getText()+"、";                }                if(italicCB.isChecked()){                    result+=italicCB.getText()+"、";                }                if(!"".equals(result)){                    result=result.substring(0,result.length()-1);                }else{                    result="你沒有選擇！！！";                }                setTitle("Checked:"+result);            }        });    }}