开发实例：Android 身高计算器的实现

核心提示：private TextView mTextView01;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.mainlayout);Bu

private TextView mTextView01;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.mainlayout);

Bundle bun=this.getIntent().getExtras();

Sex=bun.getString("Sex");

fheight=bun.getDouble("fheight");

mheight=bun.getDouble("mheight");

mTextView01=(TextView)findViewById(R.id.TextView01);

NumberFormat formatter=new DecimalFormat("0.00");

if(Sex.equals("女孩"))

{

cheight=(fheight*0.923+mheight)/2;

mTextView01.setText(Sex+"身高预测为 :"+formatter.format(cheight));

}

else

{

cheight=(fheight+mheight)*1.08/2;

mTextView01.setText(Sex+"身高预测为:"+formatter.format(cheight));

}

Button mButton = (Button)findViewById(R.id.ButtonReturn);

mButton.setOnClickListener(new Button.OnClickListener()

{

@Override

public void onClick(View v)

{

Intent intent=new Intent();

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

startActivity(intent);

finish();

}

});

}

}

main.xml

代码

< ?xml version="1.0" encoding="utf-8"? >

< AbsoluteLayout

android:id="@+id/widget0"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

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

>

< TextView

android:id="@+id/widget28"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="子女身高计算"

android:layout_x="76px"

android:layout_y="16px" >

< /TextView >

< TextView