建立CheckBox與其動態

建立CheckBox與其動態/CheckBox

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

   

    <CheckBox

        android:id="@+id/chkAutosave"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="Autosave"

        />

   

    <CheckBox

        android:id="@+id/sar"

        style="?android:attr/starStyle"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"/>

</LinearLayout>

建立CheckBox與其動態/動態

import android.app.Activity;

import android.app.Fragment;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

import android.widget.CheckBox;

import android.widget.Toast;

public class CheckBoxActivity extends Activity {

   @Override

   protected void onCreate(Bundle savedInstanceState) {

     super.onCreate(savedInstanceState);

     setContentView(R.layout.activity_check_box);

     if (savedInstanceState == null) {

        getFragmentManager().beginTransaction()

             .add(R.id.container, new PlaceholderFragment()).commit();

     }

   }

   @Override

   public boolean onCreateOptionsMenu(Menu menu) {

     // Inflate the menu; this adds items to the action bar if it is present.

     getMenuInflater().inflate(R.menu.check_box, menu);

     return true;

   }

   @Override

   public boolean onOptionsItemSelected(MenuItem item) {

     // Handle action bar item clicks here. The action bar will

     // automatically handle clicks on the Home/Up button, so long

     // as you specify a parent activity in AndroidManifest.xml.

     int id = item.getItemId();

     if (id == R.id.action_settings) {

        return true;

     }

     return super.onOptionsItemSelected(item);

   }

   /**

    * A placeholder fragment containing a simple view.

    */

   public static class PlaceholderFragment extends Fragment {

     public PlaceholderFragment() {

     }

     @Override

     public View onCreateView(LayoutInflater inflater, ViewGroup container,

           Bundle savedInstanceState) {

        View rootView = inflater.inflate(R.layout.fragment_check_box,

             container, false);

       

        CheckBox checkBox=(CheckBox)rootView.findViewById(R.id.chkAutosave);

        checkBox.setOnClickListener(new View.OnClickListener() {

          

           @Override

           public void onClick(View v) {

             if(((CheckBox)v).isChecked()){

                Toast.makeText(

                     PlaceholderFragment.this.getActivity(),

                     "CheckBox is checked",

                     Toast.LENGTH_SHORT).show();

             }else{

                Toast.makeText(

                     PlaceholderFragment.this.getActivity(),

                     "CheckBox is unchecked",

                     Toast.LENGTH_SHORT).show();

             }

            

           }

        });

        return rootView;

     }

   }

}