DisplayMetrics dm = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(dm); int width = dm.widthPixels; int height = dm.heightPixels;

 RelativeLayout layout = new RelativeLayout(this); 

 Button Btn[] = new Button[16]; int j = -1; for (int i=0; i<=15; i++) {    Btn[i]=new Button(this);  Btn[i].setId(2000+i);  Btn[i].setText("按鈕"+i);   RelativeLayout.LayoutParams btParams = new RelativeLayout.LayoutParams ((width-50)/4,40);

 if (i%4 == 0) {   j++;  }  btParams.leftMargin = 10+ ((width-50)/4+10)*(i%4); //橫坐標定位    btParams.topMargin = 20 + 55*j; //縱坐標定位    layout.addView(Btn[i],btParams); //將按鈕放入layout組件 }  this.setContentView(layout);

for (int k = 0; k <= Btn.length-1; k++) { //這里不需要findId，因為創建的時候已經確定哪個按鈕對應哪個Id Btn[k].setTag(k);    //為按鈕設置一個標記，來確認是按下了哪一個按鈕 Btn[k].setOnClickListener(new Button.OnClickListener() { @Override  public void onClick(View v) {   int i = (Integer) v.getTag();   Intent intent = new Intent();   intent.setClass(Work_01.this, Work_02.class);   Bundle bundle = new Bundle();   bundle.putInt("count", i);   intent.putExtras(bundle);   startActivity(intent);   Work_01.this.finish();       }  }); }