Sample4_1.rar_android

package com.bn.chap4.screen; import android.app.Activity; import android.os.Bundle; import android.util.DisplayMetrics; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; public class Sample4_1_Activity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); final DisplayMetrics dm=new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(dm); final EditText et=(EditText)this.findViewById(R.id.EditText01);//EditText对象 final EditText ett=(EditText)this.findViewById(R.id.EditText02);//EditText对象 Button ok=(Button)this.findViewById(R.id.Button01);//按钮对象 ok.setOnClickListener ( new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub et.setText(dm.heightPixels+""); ett.setText(dm.widthPixels+""); } } ); } }