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第一種：內部類的方式

class MyButton implements OnClickListener{
                @Override
                public void onClick(View v) {
                        // TODO Auto-generated method stub

                        Toast.makeText(MainActivity.this, "我被點擊了！", Toast.LENGTH_SHORT).show();
                }
        }

第二種：匿名內部類的方式

button.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                        // TODO Auto-generated method stub
                        Toast.makeText(MainActivity.this, "我又被點擊了！", Toast.LENGTH_SHORT).show();
                }
        });

第三種：外部類方式

public class MyOnClickListener implements OnClickListener {
                @Override
                public void onClick(View v) {
                        // TODO Auto-generated method stub

                        System.out.println("我第四次被點擊了！");
                }
        }
        .........................................
        MyOnClickListener clickListener = new MyOnClickListener();
        button.setOnClickListener(clickListener);*/

第四種：Activity本身方式

public class MainActivity extends Activity implements OnClickListener {
                .......................
                public void onClick(View v) {
                        // TODO Auto-generated method stub
                        Toast.makeText(, "我第四次被點擊了！", Toast.LENGTH_SHORT).show();
                }
                ...............................
        }

第五種：綁定標簽

<Button 
                android:id="@+id/button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/hello_world"
                android:onClick="MyListener"
        />

在Activity中實現方法MyListener（）

public void MyListener(View view)
        {
                Toast.makeText(MainActivity.this, "我第五次被點擊了！", Toast.LENGTH_SHORT).show();
        }