开发实例：Android 身高计算器的实现

核心提示：adia.show();return;}if(mEeditText.getText().toString().length()< 1){Builder adia=new AlertDialog.Builder(test.this);adia.setMessage("请输入母亲的身高");adi

adia.show();

return;

}

if(mEeditText.getText().toString().length()< 1)

{

Builder adia=new AlertDialog.Builder(test.this);

adia.setMessage("请输入母亲的身高");

adia.setTitle("提示");

adia.setNeutralButton("确定", new DialogInterface.OnClickListener() {

@Override

public void onClick(DialogInterface dialog, int which) {

// TODO Auto-generated method stub

mEeditText.setHighlightColor(Color.RED);

}

});

adia.show();

return;

}

mRadioGroup=(RadioGroup)findViewById(R.id.sex);

if(mRadioGroup.getCheckedRadioButtonId()==R.id.F)

{Sex="女孩";}

else

{

Sex="男孩";

}

Intent intent=new Intent();

intent.setClass(test.this,result.class);

fheight=Double.parseDouble(fEeditText.getText().toString());

mheight=Double.parseDouble(mEeditText.getText().toString());

Bundle bun=new Bundle();

bun.putDouble("fheight", fheight);

bun.putDouble("mheight", mheight);

bun.putString("Sex", Sex);

intent.putExtras(bun);

startActivity(intent);

finish();

// BundleObject.this.finish();

}

});

}

}

代码

package app.test;

import java.text.DecimalFormat;

import java.text.NumberFormat;

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 result extends Activity {

String Sex;

double fheight;

double mheight;

double cheight;