Looper Could not create wake pip
日志打印
A/Looper(31455): Could not create wake pipe. errno=24 .. A/Looper(1960): Could not create wake pipe. errno=24 A/libc(1960): Fatal signal 11 (SIGSEGV) at 0xdeadbaad (code=1) .. A/Looper(16848): Could not create wake pipe. errno=24
App直接飞掉
问题：
Native Looper 初始化失败
根据日志和APP操作查找Looper.preare();出现的地方
public static void showToast(final String toast, final int showTimeFlag, final Context context) { new Thread(new Runnable() { @Override public void run() { Looper.prepare(); Toast.makeText(context, toast, showTimeFlag).show(); Looper.loop(); } }).start(); }
修改：
public static void showToast(final String toast, final int showTimeFlag, final Context context) { new Thread() { public void run() { System.out.println("Start Looper..."); // Prepare looper Looper.prepare(); // Register Queue listener hook MessageQueue queue = Looper.myQueue(); queue.addIdleHandler(new IdleHandler() { int mReqCount = 0; @Override public boolean queueIdle() { if (++mReqCount == 2) { // Quit looper System.out.println("Looper.myLooper().quit()"); Looper.myLooper().quit(); return false; } else return true; } }); // Show Toast- will be called when Looper.loop() starts Toast.makeText(context, toast, showTimeFlag).show(); // Start looping Message Queue- Blocking call Looper.loop(); System.out.println("It appears after Looper.myLooper().quit()"); } }.start(); }
and then got this log:
W/MessageQueue(26006): Handler (android.os.Handler) {42771e28} sending message to a Handler on a dead thread W/MessageQueue(26006): java.lang.RuntimeException: Handler (android.os.Handler) {42771e28} sending message to a Handler on a dead thread W/MessageQueue(26006): at android.os.MessageQueue.enqueueMessage(MessageQueue.java:196) W/MessageQueue(26006): at android.os.Handler.sendMessageAtTime(Handler.java:473) W/MessageQueue(26006): at android.os.Handler.sendMessageDelayed(Handler.java:446) W/MessageQueue(26006): at android.os.Handler.post(Handler.java:263) W/MessageQueue(26006): at android.widget.Toast$TN.hide(Toast.java:358) W/MessageQueue(26006): at android.app.ITransientNotification$Stub.onTransact(ITransientNotification.java:55) W/MessageQueue(26006): at android.os.Binder.execTransact(Binder.java:338) W/MessageQueue(26006): at dalvik.system.NativeStart.run(Native Method) W/MessageQueue(26006): Handler (android.os.Handler) {42853888} sending message to a Handler on a dead thread W/MessageQueue(26006): java.lang.RuntimeException: Handler (android.os.Handler) {42853888} sending message to a Handler on a dead thread W/MessageQueue(26006): at android.os.MessageQueue.enqueueMessage(MessageQueue.java:196) W/MessageQueue(26006): at android.os.Handler.sendMessageAtTime(Handler.java:473) W/MessageQueue(26006): at android.os.Handler.sendMessageDelayed(Handler.java:446) W/MessageQueue(26006): at android.os.Handler.post(Handler.java:263) W/MessageQueue(26006): at android.widget.Toast$TN.hide(Toast.java:358) W/MessageQueue(26006): at android.app.ITransientNotification$Stub.onTransact(ITransientNotification.java:55) W/MessageQueue(26006): at android.os.Binder.execTransact(Binder.java:338) W/MessageQueue(26006): at dalvik.system.NativeStart.run(Native Method) I/System.out(26006): Looper.myLooper().quit() I/System.out(26006): It appears after Looper.myLooper().quit() E/InputChannel-JNI(26006): Error 24 dup receive pipe fd 775. E/InputChannel-JNI(26006): Error 24 dup send pipe fd 1022. W/MessageQueue(26006): Handler (android.os.Handler) {426c8ba0} sending message to a Handler on a dead thread W/MessageQueue(26006): java.lang.RuntimeException: Handler (android.os.Handler) {426c8ba0} sending message to a Handler on a dead thread W/MessageQueue(26006): at android.os.MessageQueue.enqueueMessage(MessageQueue.java:196) W/MessageQueue(26006): at android.os.Handler.sendMessageAtTime(Handler.java:473) W/MessageQueue(26006): at android.os.Handler.sendMessageDelayed(Handler.java:446) W/MessageQueue(26006): at android.os.Handler.post(Handler.java:263) W/MessageQueue(26006): at android.widget.Toast$TN.hide(Toast.java:358) W/MessageQueue(26006): at android.app.ITransientNotification$Stub.onTransact(ITransientNotification.java:55) W/MessageQueue(26006): at android.os.Binder.execTransact(Binder.java:338) W/MessageQueue(26006): at dalvik.system.NativeStart.run(Native Method) E/InputChannel-JNI(26006): Error 24 dup receive pipe fd 775. E/InputChannel-JNI(26006): Error 24 dup send pipe fd 1022. E/InputChannel-JNI(26006): Error 24 dup receive pipe fd 775. E/InputChannel-JNI(26006): Error 24 dup send pipe fd 1022. E/InputChannel-JNI(26006): Error 24 dup receive pipe fd 775. E/InputChannel-JNI(26006): Error 24 dup send pipe fd 1022. W/dalvikvm(26006): threadid=149: thread exiting with uncaught exception (group=0x40aa4390) E/AndroidRuntime(26006): FATAL EXCEPTION: Thread-3671 E/AndroidRuntime(26006): java.lang.RuntimeException: Could not read input channel file descriptors from parcel. E/AndroidRuntime(26006): at android.view.InputChannel.nativeReadFromParcel(Native Method) E/AndroidRuntime(26006): at android.view.InputChannel.readFromParcel(InputChannel.java:135) E/AndroidRuntime(26006): at android.view.IWindowSession$Stub$Proxy.add(IWindowSession.java:541) E/AndroidRuntime(26006): at android.view.ViewRootImpl.setView(ViewRootImpl.java:488) E/AndroidRuntime(26006): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:305) E/AndroidRuntime(26006): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215) E/AndroidRuntime(26006): at android.widget.Toast$TN.handleShow(Toast.java:386) E/AndroidRuntime(26006): at android.widget.Toast$TN$1.run(Toast.java:304) E/AndroidRuntime(26006): at android.os.Handler.handleCallback(Handler.java:605) E/AndroidRuntime(26006): at android.os.Handler.dispatchMessage(Handler.java:92) E/AndroidRuntime(26006): at android.os.Looper.loop(Looper.java:137) E/AndroidRuntime(26006): at com.dhzwan.shapp.utility.Utils$3.run(Utils.java:531) W/dalvikvm(26006): threadid=150: thread exiting with uncaught exception (group=0x40aa4390)
