android学习笔记05（RadioGroup，CheckBox，Toast）

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java类：

package tk.layput_07;import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.Toast;public class Layout07 extends Activity { private RadioGroup genderGroup=null; private RadioButton femaleButton=null; private RadioButton maleButton=null; private CheckBox swimBox=null; private CheckBox runBox=null; private CheckBox readBox=null;    @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.layout07);                 genderGroup = (RadioGroup)findViewById(R.id.genderGroup);         femaleButton = (RadioButton)findViewById(R.id.femaleButton);         maleButton = (RadioButton)findViewById(R.id.maleButton);         swimBox=(CheckBox)findViewById(R.id.swim);         runBox=(CheckBox)findViewById(R.id.run);         readBox=(CheckBox)findViewById(R.id.read);         genderGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {                         @Override             public void onCheckedChanged(RadioGroup group, int checkedId) {                 // TODO Auto-generated method stub                 if(femaleButton.getId()==checkedId){                     System.out.println("famale");                     Toast.makeText(Layout07.this, "famle", Toast.LENGTH_SHORT).show();                 }else if(maleButton.getId()==checkedId){                     System.out.println("male");                     Toast.makeText(Layout07.this, "male", Toast.LENGTH_SHORT).show();                 }                             }         });                 swimBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {                         @Override             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {                 // TODO Auto-generated method stub                 if(isChecked){                     System.out.println("swim is checked");                                }else{                     System.out.println("swim is unchecked");                    }             }         });         readBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {                         @Override             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {                 // TODO Auto-generated method stub                 if(isChecked){                     System.out.println("swim is checked");                                }else{                     System.out.println("swim is unchecked");                    }             }         });         runBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {                         @Override             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {                 // TODO Auto-generated method stub                 if(isChecked){                     System.out.println("swim is checked");                                }else{                     System.out.println("swim is unchecked");                    }             }         });             }    @Override     public boolean onCreateOptionsMenu(Menu menu) {         getMenuInflater().inflate(R.menu.layout07, menu);         return true;     } }

XML文件：

<?xml version= "1.0" encoding ="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     android:orientation= "vertical"     android:layout_width= "fill_parent"     android:layout_height= "fill_parent"     >         <TextView             android:id="@ id/textView1"             android:layout_width="fill_parent"             android:layout_height="wrap_content"             android:text="@string/hello"             />         <RadioGroup             android:id="@ id/genderGroup"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:orientation="vertical"             >             <RadioButton                 android:id="@ id/femaleButton"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:text="@string/female"                 />             <RadioButton                 android:id="@ id/maleButton"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:text="@string/male"                 />                                             </RadioGroup>         <CheckBox             android:id="@ id/swim"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="@string/swim"             />         <CheckBox             android:id="@ id/run"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="@string/run"             />         <CheckBox             android:id="@ id/read"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="@string/read"             /> </LinearLayout>

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