事件挂接问题
public class SymptomDerivationActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); int n=0; LinearLayout layout= new LinearLayout(this); while(n<1){ Button btn1 = new Button(this); btn1.setWidth(75); btn1.setHeight(25); btn1.setText("测试"+n); btn1.setOnClickListener(this.onClick(btn1)); layout.addView(btn1); n++; } this.setContentView(layout); } public OnClickListener onClick(View v) { Toast.makeText(this, "test" , Toast.LENGTH_SHORT).show(); return null; }}