@Jaop  //配置文件的开关
public class JaopDemo {
    @After("demo.jaop.sample.MainActivity.onCreate")  // hook 掉onCreate 方法的方法体
    public void replace1(MethodBodyHook hook) {
        Button button = (Button) ((Activity) hook.getTarget()).findViewById(R.id.button);
        button.setText("text replace by jaop");
    }

    @Replace("android.widget.Toast.makeText") // hook Toast makeText 方法的调用处, 替换toast的文本
    public void replace2(MethodCallHook hook) {
        Object[] args = hook.getArgs();
        hook.setResult(Toast.makeText((Context)args[0], "hook toast", Toast.LENGTH_LONG)); // 设置返回值
    }
}