bmi.rar_BMI_JAVA做BMI计算器_java bmi_java计算bmi

package cn.edu.nju.software.BMICalc; import java.text.DecimalFormat; import android.app.Activity; import android.graphics.Typeface; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.view.inputmethod.InputMethodManager; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; //import android.widget.Toast; public class BMIactivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //setContentView(R.layout.main); setContentView(R.layout.bmi_main); setFont(); setViews(); setListeners(); } private void setFont() { // TODO Auto-generated method stub TextView tv; Typeface face=Typeface.createFromAsset(getAssets(), "fonts/HandmadeTypewriter.ttf"); tv=(TextView)findViewById(R.id.htv); tv.setTypeface(face); tv=(TextView)findViewById(R.id.wtv); tv.setTypeface(face); tv=(TextView)findViewById(R.id.comment_title); tv.setTypeface(face); tv=(TextView)findViewById(R.id.result_title); tv.setTypeface(face); tv=(TextView)findViewById(R.id.go); tv.setTypeface(face); } Button go; EditText height; EditText weight; TextView result; TextView comment; private void setListeners() { // TODO Auto-generated method stub go.setOnClickListener(l); } OnClickListener l=new Button.OnClickListener(){ @Override public void onClick(View v) { // TODO Auto-generated method stub //((InputMethodManager)getSystemService(INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(WidgetSearchActivity.this.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS); InputMethodManager im=(InputMethodManager) go.getContext().getSystemService(INPUT_METHOD_SERVICE); im.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS); DecimalFormat df=new DecimalFormat("0.00"); double h=Double.parseDouble(height.getText().toString())/100; double w=Double.parseDouble(weight.getText().toString()); double bmi= w/(h*h); result.setText(getString(R.string.result)+df.format(bmi)); if(bmi<18) comment.setText(R.string.toolight); else if(bmi>24) comment.setText(R.string.tooheavy); else comment.setText(R.string.ok); } }; private void setViews() { // TODO Auto-generated method stub go=(Button) findViewById(R.id.go); height=(EditText) findViewById(R.id.height); weight=(EditText) findViewById(R.id.weight); result=(TextView) findViewById(R.id.result); comment=(TextView) findViewById(R.id.comment); } }