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android程式設計實例入門 -Sample改寫分享 (2014/09/02)   此範例為最簡易的Android的程式碼(03\Sample1)，單純利用LinearLayout、TextView來顯示文字和外加一個按鈕，程式碼如下:     package com.jashsample; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.widget.Button; 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); ll.setOrientation(LinearLayout.VERTICAL);//設定布局方式-VERTICAL(垂直)、HORIZONTAL(水平) setContentView(ll); TextView tv1 = new TextView(this); tv1.setText("歡迎光臨。"); Button bt = new Button(this); bt.setText("購買"); ll.addView(tv1); ll.addView(bt); } @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; } }