Here's an exception: java.lang.IllegalStateException: Already in the pool! at android.util.Pools$SimplePool.release(Pools.java:112) at android.util.Pools$SynchronizedPool.release(Pools.java:161) at android.view.VelocityTracker.recycle(VelocityTracker.java:85) at org.codetwisted.widget.DrawerLayout$...
* @return Whether the instance was put in the pool. * * @throws IllegalStateException If the instance is already in the pool. */publicbooleanrelease(Tinstance);}privatePools(){/* do nothing - hiding constructor */}/** * Simple (non-synchronized) pool of objects. * * @param <T> Th...
CB-10443 Fix this.root null reference CB-10421 Fixes exception when calling run script with --help option updated .gitignore CB-10406 Fixes an exception, thrown when building using Ant. CB-10157 Uninstall app from device/emulator only when signed apk is already installed5.1...
public void onTaskListVisibilityChanged(boolean visible) { if (mTask == null) { return; } cancelPendingLoadTasks(); if (visible) { // These calls are no-ops if the data is already loaded, try and load the high // resolution thumbnail if the state permits RecentsModel model = RecentsMo...
// Return here if the message loop has already quit and been disposed. // This can happen if the application tries to restart a looper after quit // which is not supported. // 1. 如果 native消息队列指针映射已经为0,即虚引用,说明消息队列已经退出,没有消息了。
publicstaticMessageobtain(){synchronized(sPoolSync){if(sPool!=null){Message m=sPool;sPool=m.next;m.next=null;m.flags=0;// clear in-use flag,消息入队的时候会判断这个标志位//如果没清空,则throw new IllegalStateException(msg + " This message is already in use.");sPoolSize--;returnm;}}re...
ConnectionPool:对原有连接的一种复用机制 dns:dns服务器解析后的ip和端口信息 Interceptor:拦截器使用的是责任链模式对网络请求进行处理 主要包括以下几种: 自定义用户拦截器: 在拦截器开始前使用自定义拦截器对请求状态进行检查,增加网络请求粘性,可以不设置
public static void prepareMainLooper() { prepare(false); synchronized (Looper.class) { if (sMainLooper != null) { throw new IllegalStateException("The main Looper has already been prepared."); } sMainLooper = myLooper(); } } // 创建 Looper 对象,此方法并没有返回 Looper 对象,而是保存...
由此我们发现在安卓开发中,例如上面的示例,我们常常通过一个线程来完成某些操作,然后同步显示对应的视图控件UI上,通过上面的例子我们也知道了安卓中无法直接通过子线程来进行UI更新操作,对于这种情况,Android提供了一套异步消息处理机制Handler。 回到顶部 2、背景和定义 ...
不一定, 因为Java线程的状态代表了线程在Java虚拟机中的执行状态, 并不能真实反映它在操作系统中的状态。RUNNABLE的官方解释为: A thread in the runnable state is executing in the Java virtual machine but it may be waiting for other resources from the operating system such as processor. ...