android学习笔记03(RelativeLayout)

java类:

package tk.layout_03;



import android.os.Bundle; 

import android.app.Activity; 

import android.view.Menu;



public class Layout03 extends Activity {



    @Override 

    public void onCreate(Bundle savedInstanceState) { 

        super.onCreate(savedInstanceState); 

        setContentView(R.layout.layout03); 

    }



    @Override 

    public boolean onCreateOptionsMenu(Menu menu) { 

        getMenuInflater().inflate(R.menu.layout03, menu); 

        return true; 

    } 

}

XML文件:

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

    xmlns:tools="http://schemas.android.com/tools" 

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" >



    <TextView 

        android:id="@ id/label" 

        android:layout_width="fill_parent" 

        android:layout_height="wrap_content" 

        android:text="Type here:" 

        ></TextView> 

    <EditText 

        android:id="@ id/entry" 

        android:layout_width="fill_parent" 

        android:layout_height="wrap_content" 

        android:background="@android:drawable/editbox_background" 

        android:layout_below="@id/label" 

        /> 

    <Button 

        android:id="@ id/ok" 

        android:layout_width="wrap_content" 

        android:layout_height="wrap_content" 

        android:layout_below="@id/entry" 

        android:layout_alignParentRight="true" 

        android:layout_marginLeft="10px" 

        android:text="OK" 

        /> 

    <Button 

        android:layout_width="wrap_content" 

        android:layout_height="wrap_content" 

        android:layout_toLeftOf="@id/ok" 

        android:layout_alignTop="@id/ok" 

        android:text="Cancel" 

        /> 

    

</RelativeLayout>

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