android程式設計實例入門 -Sample改寫分享 (2014/08/28)

 

此範例為最簡易的Android的程式碼(02\Sample2)，單純利用LinearLayout和TextView來顯示文字，程式碼如下:

 

package com.jashsample;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.LinearLayout;
import android.widget.TextView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LinearLayout ll = new LinearLayout(this);
setContentView(ll);
TextView tv = new TextView(this);
tv.setText("歡迎使用Android!");
ll.addView(tv);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}