res/layout/ex03_10.xml
<?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <RadioGroup android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/rgSex" android:orientation="horizontal" android:layout_x="100dip" android:layout_y="60dip"> <RadioButton android:text="@string/sex_man" android:layout_height="wrap_content" android:layout_width="wrap_content" android:checked="true" android:id="@+id/radio_man"></RadioButton> <RadioButton android:text="@string/sex_woman" android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/radio_woman"></RadioButton> </RadioGroup> <EditText android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="EditText" android:id="@+id/etWeight" android:layout_x="97dip" android:layout_y="133dip"></EditText> <Button android:text="Button" android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/btn" android:layout_x="120dip" android:layout_y="212dip"></Button> </AbsoluteLayout>res/layout/ex03_10_01.xml
<?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="TextView" android:layout_x="126dip" android:layout_y="144dip" android:id="@+id/tvResult"></TextView> <Button android:layout_width="wrap_content" android:layout_x="125dip" android:layout_height="wrap_content" android:layout_y="248dip" android:id="@+id/btnBk" android:text="@string/back"></Button> </AbsoluteLayout>
src/EX03_10.java
package gphone.ex03_10; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.RadioButton; import android.widget.RadioGroup; public class EX03_10 extends Activity { Button btn=null; EditText etWeight=null; RadioGroup rgSex=null; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.ex03_10); btn=(Button)findViewById(R.id.btn); etWeight=(EditText)findViewById(R.id.etWeight); rgSex=(RadioGroup)findViewById(R.id.rgSex); btn.setOnClickListener(new Button.OnClickListener(){ @Override public void onClick(View v) { // TODO Auto-generated method stub String strWeight=etWeight.getText().toString(); String strSex="女"; if(rgSex.getCheckedRadioButtonId()==R.id.radio_man) { strSex="男"; } else { strSex="女 "; } Bundle b=new Bundle(); b.putString("Weight", strWeight); b.putString("Sex", strSex); Intent intent=new Intent(); intent.putExtras(b); intent.setClass(EX03_10.this,EX03_10_01.class); startActivityForResult(inte
src/EX03_10_02.java
package gphone.ex03_10; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class EX03_10_01 extends Activity{ TextView tvResult=null; Button btnBk=null; Intent intent=null; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.ex03_10_01); tvResult=(TextView)findViewById(R.id.tvResult); intent=this.getIntent(); Bundle b=intent.getExtras(); String strWeight=b.getString("Weight"); String strSex=b.getString("Sex"); tvResult.setText("结果为:"+strWeight+","+strSex); btnBk=(Button)findViewById(R.id.btnBk); btnBk.setOnClickListener(new Button.OnClickListener(){ @Override public void onClick(View v) { // TODO Auto-generated method stub EX03_10_01.this.setResult(RESULT_OK, intent); EX03_10_01.this.finish(); } }); } }
运行结果