Android AOP 解决重复点击

引入依赖

在项目的build.gradle中添加classpath

classpath 'com.hujiang.aspectjx:gradle-android-plugin-aspectjx:2.0.4'

在模块的build.gradle中添加依赖

apply plugin: 'android-aspectjx'

implementation 'org.aspectj:aspectjrt:1.8.14'

编写注解

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface SingleClick {
    long value() default 2000;//点击间隔时间
}

编写Aspect注解类

@Aspect
public class SingleClickAspect {

    private static long mLastClickTime;
    private static int mLastClickViewId;


    @Pointcut("execution(@com.chu.kit.annotation.SingleClick * *(..))")
    public void singleClick() {

    }

    @Around("singleClick()")
    public void aroundJoinPoint(ProceedingJoinPoint joinPoint) throws Throwable {
        View view = null;
        for (Object arg : joinPoint.getArgs()) {
            if (arg instanceof View) {
                view = (View) arg;
                break;
            }
        }
        if (view == null) {
            return;
        }

        MethodSignature methodSignature = (MethodSignature) joinPoint.getSignature();
        Method method = methodSignature.getMethod();
        if (!method.isAnnotationPresent(SingleClick.class)) {
            return;
        }
        SingleClick singleClick = method.getAnnotation(SingleClick.class);

        if (!isFastClick(view, singleClick.value())) {
            joinPoint.proceed();
        }
    }

    private static boolean isFastClick(View v, long intervalMillis) {
        int viewId = v.getId();
        long time = System.currentTimeMillis();
        long timeInterval = Math.abs(time - mLastClickTime);
        if (timeInterval < intervalMillis && viewId == mLastClickViewId) {
            return true;
        } else {
            mLastClickTime = time;
            mLastClickViewId = viewId;
            return false;
        }
    }
}

使用注解

• 设置监听情况下，使用注解方式。

  button1.setOnClickListener(new View.OnClickListener() {
      @Override
      @SingleClick
      public void onClick(View v) {
          showToast("按钮1点击了");
      }
  });

• 引入butterknife情况下，使用注解方式。

  @SingleClick(3000)
  @OnClick(R.id.button2)
  public void onClick(View view) {
      showToast("按钮2点击了");
  }

最后

打包成library时，除了需要引入libary之外。还需要在项目中对应模块的build.gradle中引用如下代码

apply plugin: 'android-aspectjx'

end~