import的一个计步器的项目,装到了手机上,第一天运行正常,第二天打开APP一会儿就停止运行并退出,求问大家这是怎么回事啊???
[2017-04-01 19:54:12 - ddms] null
java.lang.NullPointerException
at com.android.ddmlib.JdwpPacket.writeAndConsume(JdwpPacket.java:213)
at com.android.ddmlib.Client.sendAndConsume(Client.java:642)
at com.android.ddmlib.HandleHello.sendHELO(HandleHello.java:195)
at com.android.ddmlib.HandleHello.sendHelloCommands(HandleHello.java:66)
at com.android.ddmlib.Client.getJdwpPacket(Client.java:739)
at com.android.ddmlib.MonitorThread.processClientActivity(MonitorThread.java:317)
at com.android.ddmlib.MonitorThread.run(MonitorThread.java:263)
[2017-04-01 19:54:12 - ddms] null
java.lang.NullPointerException
at com.android.ddmlib.JdwpPacket.writeAndConsume(JdwpPacket.java:213)
at com.android.ddmlib.Client.sendAndConsume(Client.java:642)
at com.android.ddmlib.HandleHello.sendHELO(HandleHello.java:195)
at com.android.ddmlib.HandleHello.sendHelloCommands(HandleHello.java:66)
at com.android.ddmlib.Client.getJdwpPacket(Client.java:739)
at com.android.ddmlib.MonitorThread.processClientActivity(MonitorThread.java:317)
at com.android.ddmlib.MonitorThread.run(MonitorThread.java:263)