草庐IT

android - Rx Kotlin : map function can't infer return type

在连接到蓝牙设备的应用程序中,我使用RxKotlin使用以下函数:privatefunstartBluetoothPair(device:BluetoothDevice){Observable.just(device).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).map{varuuid:UUID=BLUETOOTH_UUIDvarsocket=it.createRfcommSocketToServiceRecord(uuid)socket.connect()returnsocket}.su

android - react native : ReferenceError: Can't find variable: require (line 1 in the generated bundle)

我使用以下指南在ReactNative中创建了一个示例应用Reactnativeandroid但是当我运行react-nativerun-android时。我收到以下异常。11-2516:10:35.3261796-1897/com.awesomeE/ReactNative:GotJSException:ReferenceError:Can'tfindvariable:require11-2516:10:35.3271796-1897/com.awesomeE/AndroidRuntime:FATALEXCEPTION:mqt_jsProcess:com.awesome,PID:179

安卓 : How can i settag for the images which are in gridview?

谁能告诉我如何为gridview中的图像设置标签和获取标签。我写了下面的代码,但它不起作用。以下代码是否正确?intjj=100;for(intj=0;j这是我的getView方法publicViewgetView(intarg0,Viewarg1,ViewGrouparg2){//TODOAuto-generatedmethodstubImageViewimv;if(arg1!=null){imv=(ImageView)arg1;}else{imv=newImageView(cont);imv.setLayoutParams(newGridView.LayoutParams(40,4

java - <s3dReadConfigFile :75>: Can't open file for reading error

在我的galaxys3上运行时,我在我的LogCat中收到两次名为“:无法打开文件进行读取”的错误。这是我的代码:包com.example.speechrecognizertest;importandroid.os.Bundle;importjava.util.ArrayList;importjava.util.List;importandroid.app.Activity;importandroid.content.Intent;importandroid.content.pm.PackageManager;importandroid.content.pm.ResolveInfo;i

android - 无法在 Intellij : "Warning: debug info can be unavailable." 中调试 android 应用程序

我正在尝试在Windows7上使用Intellij13.0调试应用程序。每当我开始调试时,我都会收到以下警告:Warning:debuginfocanbeunavailable.PleasecloseotherapplicationusingADB:Monitor,DDMS,Eclipse"我已经在设备和模拟器中对其进行了测试。我唯一打开的是Intellij。我也尝试在开始调试之前关闭adb,但没有任何改变。 最佳答案 对我来说,这种情况发生在设备通过USB连接并启用adbtcpip(ADB处于Wi-Fi模式)时。只需使用连接的设备

android - 错误 : The class 'SingleTickerProviderStateMixin' can't be used as a mixin because it extends a class other than Object

刚学flutter动画。使用SingleTickerProviderStateMixinIDE给我这个错误:Theclass'SingleTickerProviderStateMixin'can'tbeusedasamixinbecauseitextendsaclassotherthanObject我的代码:import'package:flutter/material.dart';classAnimationControllerOutputBodyextendsStatefulWidgetwith{@override_AnimationControllerOutputBodyStat

android - 错误 : The class 'SingleTickerProviderStateMixin' can't be used as a mixin because it extends a class other than Object

刚学flutter动画。使用SingleTickerProviderStateMixinIDE给我这个错误:Theclass'SingleTickerProviderStateMixin'can'tbeusedasamixinbecauseitextendsaclassotherthanObject我的代码:import'package:flutter/material.dart';classAnimationControllerOutputBodyextendsStatefulWidgetwith{@override_AnimationControllerOutputBodyStat

android - 证书签发: SSL page brings up "you need to set a lock screen pin or password before you can use credential storage" on Android

我们已经在服务器上设置了证书,并在请求https://www.ourserver.org时设置了证书,Android(无论使用什么浏览器)都会显示一个小弹出窗口Youneedtosetalockscreenpinorpasswordbeforeyoucanusecredentialstorage哪里错了,手机似乎正在尝试注册该证书..?目前只发生在Android上在iPhone和桌面浏览器上没问题我们的Stunnel配置:[www.ourserver.org]cert=/etc/stunnel/certs/www.ourserver.org.crtkey=/etc/stunnel/ke

android - Espresso : How can I test that the activity finished with result RESULT_OK?

在我的应用程序中,当用户单击“注册”按钮时,将启动RegisterActivity。用户填写表单后,详细信息将发布到Web服务,如果注册成功,RegisterActivity将以RESULT_OK结束。下面的代码示例总结了这一点:publicvoidsubmitRegistration(){showProgressDialog(R.string.registration,R.string.please_wait);getWebApi().register(buildRegistrationFromUI(),newCallback(){@Overridepublicvoidsuccess

eclipse - 我是否应该担心 DDMS 控制台日志消息 "Can' t 绑定(bind)到本地 nnnn 以供调试器使用”?

我是Android编程(以及EclipseIDE和Android模拟器)的新手。我有HelloWorld和一些记事本在工作,但我仍然不断收到很多关于无法为调试器绑定(bind)本地的DDMS控制台日志消息(如下所示)。[2010-05-2921:03:16-ddms]Can'tbindtolocal8601fordebugger[2010-05-2921:05:26-Device]Failedtodeletetemporarypackage:device(emulator-5556)requestrejected:devicenotfound[2010-05-2921:06:47-dd