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90 lines
4.0 KiB
90 lines
4.0 KiB
```java
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/**
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* 我想统计两个类中方法执行耗时，BootActivity 中的统计没什么问题，
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* 但是 CommonRequest 类中的统计直接导致应用崩溃
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* 类转换异常？很萌
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* AspectJ 才学，希望大佬能帮帮我，不胜感激
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*/
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com.xxx.BootActivity
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public class BootActivity extends Activity{
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onCreate(){
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CommonRequest.method1(this);
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CommonRequest.method2(this);
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//...
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}
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}
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com.yyy.CommonRequest
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public class CommonRequest{
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public static void mothod1(Context context){
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//网络请求
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new HttpRequest(context).callback(new CallBack()){
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//
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}
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}
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}
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//切面类
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@Aspect
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public class MethodTimeTracker {
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//这个切点执行正常
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@Around("execution( * com.xxx.BootActivity.* (..))")
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public void bootTracker(ProceedingJoinPoint joinPoint) throws Throwable {
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long beginTime = SystemClock.currentThreadTimeMillis();
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joinPoint.proceed();
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long endTime = SystemClock.currentThreadTimeMillis();
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long dx = endTime - beginTime;
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Log.i("2333", joinPoint.getSignature().getDeclaringType().getName() + "#" + joinPoint.getSignature().getName()
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+ " " + dx + " ms");
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}
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//这个切点直接导致应用崩溃
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@Around("execution( * com.yyy.CommonRequest.* (..))")
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public void requestTracker(ProceedingJoinPoint joinPoint) throws Throwable {
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long beginTime = SystemClock.currentThreadTimeMillis();
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joinPoint.proceed();
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long endTime = SystemClock.currentThreadTimeMillis();
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long dx = endTime - beginTime;
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Log.i("2333", joinPoint.getSignature().getDeclaringType().getName() + "#" + joinPoint.getSignature().getName()
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+ " " + dx + " ms");
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}
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}
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Log 日志：
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java.lang.RuntimeException: Unable to start activity ComponentInfo{.BootActivity}: java.lang.ClassCastException: BootActivity cannot be cast to cn.shuhe.dmnetwork.network.CjjHttpRequest
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at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
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at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
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at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
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at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
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at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
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at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
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at android.os.Handler.dispatchMessage(Handler.java:106)
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at android.os.Looper.loop(Looper.java:193)
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at android.app.ActivityThread.main(ActivityThread.java:6669)
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at java.lang.reflect.Method.invoke(Native Method)
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at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
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at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
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Caused by: java.lang.ClassCastException: BootActivity cannot be cast to CjjHttpRequest
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at cn.shuhe.projectfoundation.CommonRequest$AjcClosure15.run(CommonRequest.java:1)
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at org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
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at com.dataseed.cjjanalytics.aspect.MethodTimeTracker.requestTracker(MethodTimeTracker.java:29)
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at cn.shuhe.projectfoundation.CommonRequest.checkDeviceInfo(CommonRequest.java:223)
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at com.dataseed.huanbei.ui.BootActivity.startUp(BootActivity.java:296)
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at com.dataseed.huanbei.ui.BootActivity.onCreate_aroundBody2(BootActivity.java:129)
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at com.dataseed.huanbei.ui.BootActivity$AjcClosure3.run(BootActivity.java:1)
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at org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
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at com.dataseed.cjjanalytics.aspect.CjjTraceAspect.weaveActivityOnCreateJoinPoint(CjjTraceAspect.java:225)
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at com.dataseed.huanbei.ui.BootActivity.onCreate(BootActivity.java:126)
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at android.app.Activity.performCreate(Activity.java:7136)
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at android.app.Activity.performCreate(Activity.java:7127)
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类转换异常是怎么肥事？
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```
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