need to be performed outside the Activity scope. This is probably because the android framework was designed in this way. Try to display a Dialog created using Aplication context, or start an Activity using Application context. The system will throw an exception and cause your application to crash, it is very strong to tell you that something is wrong.
An obvious problem is the inflating layout ). If you have read Layout inflation from my previous a
The window.showModalDialog () method is used to create a modal dialog box that displays HTML content.1, Version support:ShowModalDialog () (IE 4+ support)2. Syntax:Vreturnvalue=window.showmodaldialog (Surl[,varguments][,sfeatures]);3. Parameter explanation:sURL the required string is used to specify the URL of the page to display for the dialog box.Varguments optional variants are used to pass parameters to the dialog box. Parameter types are not limited.The dialog box uses window.dialogargument
framework:Browser-based application framework and server-based application framework.
1. browser-based application frameworks are generally divided into two types:
Aplication frameworks: Provides browser functions, but its most famous one is to create a desktop GUI through the window generation component. For example, DOJO, qooxdoo, JavaFX, YUI, and ExtJS (the initial name is yui-ext, because the yui library is extended, later, jquery and prototype
First, click on the Uibarbuttonitem in the Uinavigationbar, change the text in the Uilabel, 01,02,03Fig. 01 FIG. 02 Fig. 03Second, the project steps:1, choose Simple View aplication, named cq.40.uinavigationbar,04Figure 042, main.storyboard,053, CQ40ViewController.h#import @interface*label; -(Ibaction) Save: (ID) sender; -(Ibaction) Add: (ID) sender; @end4, CQ40VIEWCONTROLLER.M#import "CQ40ViewController.h"@interfaceCq40viewcontroller ()@end@implement
I. Android system is divided into 4 levels: 1. The bottom-most of the Linux kernel, including multiple drivers, provides the core functionality that the operating system should have; 2. Above the Linux core, including two sections, part of the Android Runtime (including the Dalvik virtual machine , and core libraries is equivalent to JDK in Java) and libraries;3. Is the application framework layer, which includes multiple Android development frameworks (i.e., various managers, such as resource m
interact with UG. By using this tool, you can avoid complicated GUI programming for graphic user interfaces, and directly combine the basic controls in the dialog box to generate a dialog box with different functions.
Go to UG and click Aplication> UserInterfaceStyler to go to the interface designed in the dialog box. This interface includes a toolbar and three windows: The Object Browser window, the resource editor window, and the Design dialog box
develop a website system is more handy.
ISAPI (Internet Server Aplication Programing Interfase) is a standard programming interface that is developed with programming tools and runs on the NT Service. Web developers can use it to compile interactive applications. ISAPI ExpansionThe Extension application has the same CGI script functionality, but it has faster and more effective performance than CGI.For applications written by ISAPI for Windows NT, We
Roeder.
Example 2: (example on MSDN) This example shows a section that can be accessed from a Web application or console application.
// Show the use of GetSection (string ).
// It gets the connectiobStrings section.
// If called from within a client application,
// The GetSection (string) gets the default connectionStrings
// Section from the machine. config.
// If called from within a Web aplication it gets
// Section from the configuration file lo
take a long time to determine the connection or log on. multithreading is required here:
// Enable the background thread to process possible time-consuming operations-login and database interaction and related LogicThis. threadlogin = new thread (New threadstart (loginprocess) {isbackground = true };This. threadlogin. Start ();This. marqueeprogressbarcontrol1.visible = true;This. marqueeprogressbarcontrol1.properties. Stopped = false;This.txt username. Enabled = false;This.txt PWD. Enabled = f
After reading about Hibernate and struts, and using myeclipse 4.0.2, I tried to use myeclipse to create a web aplication, add hibernate capabilities and add struts capabilities, and then run resin 3.0.14, the error is displayed. At first, it is a log4j problem. This is a hibernate problem. copy the properties file to and hibernate. cfg. the same directory in XML does not have this problem. The remaining problems are as follows: 21: 13: 32,500 error di
As this book is more written than it is after work, it is inevitable that there will be a moment of sleep in the dead of night, so there will be some detail. Although the author and the editorial director have made repeated revisions and reviews, there are inevitable mistakes and omissions. Therefore, we also hope that everyone will read this book with the spirit of tolerance, compassion, and peace of mind that explores and makes progress together. I sincerely hope you will be ready to give your
Contentprovider can be in the same process as the caller or run in a separate process, depending entirely on the aplication process information of the contentprovider. Therefore, if contentprovider runs in a separate process, calling contentprovider involves IPC communication.
Since IPC communication is involved, contentprovider must inherit from iinterface, Which is icontentprovider. the main interface method is as follows,
public IBulkCurs
) import the hello-JNI example of ndk to eclipse. 1. Create an android project hellojni in eclipse. Select "Create project from existing source" when creating Android project, and enter E: \ Android \ android-ndk-r8 \ samples \ hello-JNI in location.
2. Run the com. example. hellojni. hellojni project directly with Android aplication. The. So file must be available before it can run. 5. Integrating the C/C ++ Development Environment cdtcdt plug-in ec
collection.Strong type:The object is saved in the application. The cast action must be performed to save and use the object. Box Unbox is required for value types. It has a great impact on performance.Static variables are strongly typed objects.Thread Synchronization:Application puts all objects in a set, so that the set will be locked for any objects in the access set.Assume that application ["A"], application ["B"], application ["C"], some threads access application ["A"] other threads canno
[Problem Solving] error: shouldnotreachhere () [sorting]
Blog type:
Android
Android
If you create a class that contains the main () method in the android project and right-click the class to run the class, the following error is reported:# A fatal error has been detected by the Java Runtime Environment: # Internal error (classfileparser. cpp: 3494), pid = 5940, tid = 5632 # error: shouldnotreachhere ()
The specific cause is unknown, maybe because
The main () conflicts with the main portal (
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