CheckNetAspect.java
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package com.studymachine.www.aop;
import android.app.Activity;
import android.app.Application;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import androidx.core.content.ContextCompat;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleOwner;
import com.studymachine.www.R;
import com.studymachine.www.manager.ActivityManager;
import com.hjq.toast.ToastUtils;
import com.studymachine.www.ui.activity.NoNetworkActivity;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
/**
* time : 2020/01/11
* desc : 网络检测切面
*/
@Aspect
public class CheckNetAspect {
/**
* 方法切入点
*/
@Pointcut("execution(@com.studymachine.www.aop.CheckNet * *(..))")
public void method() {}
/**
* 在连接点进行方法替换
*/
@Around("method() && @annotation(checkNet)")
public void aroundJoinPoint(ProceedingJoinPoint joinPoint, CheckNet checkNet) throws Throwable {
Application application = ActivityManager.getInstance().getApplication();
if (application != null) {
ConnectivityManager manager = ContextCompat.getSystemService(application, ConnectivityManager.class);
if (manager != null) {
NetworkInfo info = manager.getActiveNetworkInfo();
// 判断网络是否连接
if (info == null || !info.isConnected()) {
ToastUtils.show(R.string.common_network_hint);
Activity topActivity = ActivityManager.getInstance().getTopActivity();
NoNetworkActivity.start(topActivity);
return;
}
}
}
//执行原方法
joinPoint.proceed();
}
}