CheckBox 五星評等動態- 優化版

CHECKBOX 五星評等動態- 優化版

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.LinearLayout;

import android.widget.Toast;

public class StarActivity extends Activity {

        @Override

        protected void onCreate(Bundle savedInstanceState) {

                super.onCreate(savedInstanceState);

                setContentView(R.layout.activity_star);

                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.star, 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 {

                private LinearLayout rating;

                private CheckBox star;

                public PlaceholderFragment() {

                }

         @Override

         public View onCreateView(LayoutInflater inflater, ViewGroup container,

          Bundle savedInstanceState) {

                        View rootView = inflater.inflate(R.layout.fragment_star, container,

                                        false);

                        rating=(LinearLayout)rootView.findViewById(R.id.ratings);

                        for(int i=1;i<=5;i++){

                                star=(CheckBox)rating.findViewWithTag(String.valueOf(i));

                                star.setOnClickListener(starsListener);

                        }  return rootView;

           }

                private View.OnClickListener starsListener=new View.OnClickListener() {

                       

                        @Override

                        public void onClick(View v) {

                                int tag=Integer.valueOf(String.valueOf(v.getTag()));

                                //Toast.makeText(PlaceholderFragment.this.getActivity(), "tag="+tag, Toast.LENGTH_SHORT).show();

                                for(int i=1;i<=tag;i++){

                                        star=(CheckBox)rating.findViewWithTag(String.valueOf(i));

                                        star.setChecked(true);

                                }

                               

                                for(int i=tag+1;i<=5;i++){

                                        star=(CheckBox)rating.findViewWithTag(String.valueOf(i));

                                        star.setChecked(false);

                                }

                        }

                };

        }

}