BMI.rar_BMI_android 游戏_health measure_健康_身高测量

package com.hisoft.jianshi; import java.text.DecimalFormat; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; public class BMI extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); findViews(); setListeners(); } private Button button_cal; private EditText fieldheight; private EditText fieldweight; private TextView view_result; private TextView view_suggedt; public void findViews(){ button_cal = (Button)findViewById(R.id.submit); fieldheight = (EditText)findViewById(R.id.height); fieldweight = (EditText)findViewById(R.id.weight); view_result = (TextView)findViewById(R.id.result); view_suggedt = (TextView)findViewById(R.id.suggest); } public void setListeners(){ button_cal.setOnClickListener(calcBMI); } private Button.OnClickListener calcBMI = new Button.OnClickListener(){ public void onClick(View v){ DecimalFormat nf = new DecimalFormat("0.00"); //EditText fieldheight = (EditText)findViewById(R.id.height); //EditText fieldweight = (EditText)findViewById(R.id.weight); double height = Double.parseDouble(fieldheight.getText().toString())/100; double weight = Double.parseDouble(fieldweight.getText().toString()); double BMI = weight/(height*height); view_result.setText(getText(R.string.result)+nf.format(BMI)); //TextView result = (TextView)findViewById(R.id.result); //result.setText("Your BMI is "+nf.format(BMI)); //TextView fieldsuggest = (TextView)findViewById(R.id.suggest); if(BMI>25){ view_suggedt.setText(R.string.adcice_heavy); } else if(BMI<20){ view_suggedt.setText(R.string.adcice_lieght); } else{ view_suggedt.setText(R.string.adcice_average); } openOptionsDialog(); } }; private void openOptionsDialog(){ new AlertDialog.Builder(BMI.this) .setTitle(R.string.about_title) .setMessage(R.string.about_msg) .setPositiveButton(R.string.ok_label, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialoginterface, int i) { // TODO Auto-generated method stub } }) .setNegativeButton(R.string.homepage_label, new DialogInterface.OnClickListener(){ public void onClick(DialogInterface dialoginterface, int i) { // TODO Auto-generated method stub Uri uri = Uri.parse("http://androidBMI.googlecode.com"); Intent intent = new Intent(Intent.ACTION_VIEW,uri); startActivity(intent); } }) .show(); // Toast.makeText(BMI.this, "BMI������", Toast.LENGTH_SHORT).show(); } protected static final int MENU_ABOUT = Menu.FIRST; protected static final int MENU_Quit = Menu.FIRST+1; public boolean onCreateOptiosMenu(Menu menu){ super.onCreateOptionsMenu(menu); menu.add(0,MENU_ABOUT,0,"����..."); menu.add(0,MENU_Quit,0,"����"); return true; } public boolean onOptionsItemSelected(MenuItem item){ super.onOptionsItemSelected(item); switch(item.getItemId()){ case MENU_ABOUT: openOptionsDialog(); break; case MENU_Quit: finish(); break; } return true; } }