在任务与执行策略之间的隐形耦合 依赖任务 使用线程封闭机制的任务 对相应时间敏感的任务 使用ThreadLocal的任务 在线程池中，如果任务依赖于其他任务，那么可能产生死锁。 程序清单8-1 在单...

12-02 11:48:12.058 23767-23767/com.moreunion.zhenghao E/AndroidRuntime: FATAL EXCEPTION: main Process: com.moreunion.zhenghao, PID: 23767 java.lang.NullPointerException: Attempt...

// compile file(dir:'libs',include:['umeng-analytics-v6.1.2.jar']) // compile file(dir:'libs',include:['utdid4all-1.0.4.jar']) // compile files('libs/open_sdk_r5788_lit...

11-27 17:29:08.760 17294-17294/com.moreunion.zhenghao E/AndroidRuntime: FATAL EXCEPTION: main Process: com.moreunion.zhenghao, PID: 17294 java.lang.IllegalStateException: Fragme...

11-27 16:06:23.594 16057-16057/com.moreunion.zhenghao E/AndroidRuntime: FATAL EXCEPTION: main Process: com.moreunion.zhenghao, PID: 16057 java.lang.NullPointerException: Attempt...

Error:Execution failed for task ':app:lint'. > Lint found errors in the project; aborting build. Fix the issues identified by lint, or add the following to your build script to ...

11-09 17:15:05.229 15430-15430/? E/AndroidRuntime: FATAL EXCEPTION: main Process: com.project.xxm.fixbeaty, PID: 15430 java.lang.IllegalArgumentException: You cannot start a loa...

ConstraintLayout 不能作为activity的根节点，否则fragment显示不出来

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/head_view" android:layout_width="match...

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/loadmore_view" android:layout_width="m...

/** * 质量压缩方法 * * @param imagePath 原图片路劲 * @param size 压缩图片到多少KB以内(单位KB) * @return 返回压缩后图片的绝对路径 */ public...

Gradle具体是干什么的？

08-17 09:20:10.931 21429-21429/com.moreunion.zhenghao E/AndroidRuntime: FATAL EXCEPTION: main Process: com.moreunion.zhenghao, PID: 21429 java.lang.RuntimeException: Unable to i...

针对7.0crash问题