基本控件学习二（多选框）

Main.xml文件代码：

<?xml version="1.0" encoding="utf-8"?><ScrollView  xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><LinearLayout    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:gravity="center_horizontal"    ><CheckBox android:id="@+id/chbMusic"      android:layout_width="200dp"     android:layout_height="wrap_content"    android:textSize="30sp"    android:text="@string/music"    /><CheckBox android:id="@+id/chbSing"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/sing"    /><CheckBox android:id="@+id/chbDance"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/dance"    /><CheckBox android:id="@+id/chbTravel"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/travel"    /><CheckBox android:id="@+id/chbReading"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/reading"    /><CheckBox android:id="@+id/chbWriting"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/writing"    /><CheckBox android:id="@+id/chbClimbing"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/climbing"    /><CheckBox android:id="@+id/chbSwim"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/swim"    /><CheckBox android:id="@+id/chbExercise"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/exercise"    /><CheckBox android:id="@+id/chbFitness"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/fitness"    /><CheckBox android:id="@+id/chbPhoto"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/photo"    /><CheckBox android:id="@+id/chbEating"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/eating"    /><CheckBox android:id="@+id/chbPainting"      android:layout_width="200dp"     android:layout_height="wrap_content"     android:textSize="30sp"    android:text="@string/painting"    /><Button android:id="@+id/btnSelOK"    android:layout_width="200dp"     android:layout_height="wrap_content"     android:text="@string/promptSelOK"    /><TextView android:id="@+id/txtHobList"    android:layout_width="200dp"     android:layout_height="wrap_content"     android:text="@string/hobList"    /></LinearLayout></ScrollView>

String.xml 文件介绍：

<?xml version="1.0" encoding="utf-8"?><resources>    <string name="hello">你好，这个程序的主要类别名称叫做Main</string>    <string name="app_name">选择兴趣</string>    <string name="music">音乐  </string>    <string name="sing">唱歌  </string>    <string name="dance">跳舞  </string>    <string name="travel">旅行  </string>    <string name="reading">阅读  </string>    <string name="writing">写作  </string>    <string name="climbing">爬山 </string>    <string name="swim">游泳  </string>    <string name="exercise">运动  </string>    <string name="fitness">健身  </string>    <string name="photo">摄影  </string>    <string name="eating">美食  </string>    <string name="painting">绘画  </string>    <string name="promptSelOK">确定</string>    <string name="hobList">您的兴趣：</string></resources>

Main.java代码：

package tw.android;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.*;public class Main extends Activity {    private CheckBox chbMusic, chbSing, chbDance,                   chbTravel, chbReading, chbWriting,                   chbClimbing, chbSwim, chbExercise,                   chbFitness, chbPhoto, chbEating,                   chbPainting;    private Button btnSelOK;    private TextView txtHobList;    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        setupViewComponent();    }        private void setupViewComponent() {               chbMusic = (CheckBox)findViewById(R.id.chbMusic);        chbSing = (CheckBox)findViewById(R.id.chbSing);        chbDance = (CheckBox)findViewById(R.id.chbDance);        chbTravel = (CheckBox)findViewById(R.id.chbTravel);        chbReading = (CheckBox)findViewById(R.id.chbReading);        chbWriting = (CheckBox)findViewById(R.id.chbWriting);        chbClimbing = (CheckBox)findViewById(R.id.chbClimbing);        chbSwim = (CheckBox)findViewById(R.id.chbSwim);        chbExercise = (CheckBox)findViewById(R.id.chbExercise);        chbFitness = (CheckBox)findViewById(R.id.chbFitness);        chbPhoto = (CheckBox)findViewById(R.id.chbPhoto);        chbEating = (CheckBox)findViewById(R.id.chbEating);        chbPainting = (CheckBox)findViewById(R.id.chbPainting);        btnSelOK = (Button)findViewById(R.id.btnSelOK);        txtHobList = (TextView)findViewById(R.id.txtHobList);                       btnSelOK.setOnClickListener(btnSelOKOnClick);    }    private Button.OnClickListener btnSelOKOnClick = new Button.OnClickListener() {        public void onClick(View v) {            String s = getString(R.string.hobList);                        if (chbMusic.isChecked())                s += chbMusic.getText().toString();                        if (chbSing.isChecked())                s += chbSing.getText().toString();                        if (chbDance.isChecked())                s += chbDance.getText().toString();                        if (chbTravel.isChecked())                s += chbTravel.getText().toString();                        if (chbReading.isChecked())                s += chbReading.getText().toString();                        if (chbWriting.isChecked())                s += chbWriting.getText().toString();                        if (chbClimbing.isChecked())                s += chbClimbing.getText().toString();                        if (chbSwim.isChecked())                s += chbSwim.getText().toString();                        if (chbExercise.isChecked())                s += chbExercise.getText().toString();                        if (chbFitness.isChecked())                s += chbFitness.getText().toString();                        if (chbPhoto.isChecked())                s += chbPhoto.getText().toString();                        if (chbEating.isChecked())                s += chbEating.getText().toString();                        if (chbPainting.isChecked())                s += chbPainting.getText().toString();                        txtHobList.setText(s);        }    };}

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