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Textfield label nativescript

Textfield label nativescript

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This article is a series of quick tips for anyone that has ever wanted to bold, italicize, underline, or highlight a portion of text in a NativeScript app. For example, suppose you had the following code in your app. Notice how the code breaks the string into three parts, or spans. Each of these Span components can use a number of attributes, such as backgroundColorfontFamilyfontSizeforegroundColorstrikethroughand underline.

But no worries! NativeScript has a special built-in directive to make use the same FormattedString class possible, and actually a lot easier. Oh yeah, one more thing before you return to the rest of the internet—you can totally use the FormattedString with other NativeScript UI components. Believe it or not, this works. Fun, huh? Have you used FormattedString to do something cool in your apps? Tell us about it in the comments.

TJ has over a decade of web development experience, including a few years working on the jQuery team.

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From the above, you can see I call the same method whenever the text changes for any of the 2 textboxes. What I want is, in the calcPricing method, to determine which of the 2 textboxes currently has focus. If you don't really want to know which element has the focus, but rather from which element the modification come from.

You can do it this way :. Side note: you can also use some native methods to find which view is currently focused. However note that it's not faster, and also that it's not recommended, the main idea is to used the NS common api.

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Nativescript-vue get TextField that has focus Ask Question. Asked 3 months ago. Active 3 months ago. Viewed 71 times. I have 2 TextFields in a Nativescript-vue application.

Bolding, Italicizing, and Underlining Portions of Text in NativeScript

Carel Carel 1, 7 7 gold badges 23 23 silver badges 54 54 bronze badges. Manoj - I realise there is a focus event. Are you suggesting I have some kind of arbitrary variable to store which was the last textfield that was focussed, that I can then use in the textchange event?

Yes, I'm suggesting the same. Active Oldest Votes. Tronix Tronix 1, 12 12 silver badges 18 18 bronze badges. Sign up or log in Sign up using Google.

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Question Close Updates: Phase 1. Related 1. Hot Network Questions. Question feed. Stack Overflow works best with JavaScript enabled.DataBinding is a core concept for both NativeScript and Angular frameworks. Since this binding involves mostly data we use the term Data Binding to denote such connection or relationship. The nativeScript-angular plugin simplifies the way which data binding will be used.

NativeScript part of the binding infrastructure is used to bind Model values to the real native elements Android and iOS. Angular part is used to provide correct binding context, change detection and notifications.

Using data binding within NativeScript-Angular application generally do not differ from a standard Angular web application. Before we can use the ngModel directive in a two-way data binding, we must import the NativeScriptFormsModule and add it to the Angular module's imports list:. In Angular 1. However with Angular the state of two-way data binding is not the same - due to too many performance problems caused by the uncertainty of what or who caused the change of the value within Model which sometimes results in way too many changes and change notifications.

So Angular does not have two-way data binding by default, instead it uses events to notify Model that something is changed. There are some limitations when using two-way data binding with Angular.

Two-way binding is initialized with ngModel directive instead of the name of the property. This under the hood creates two simple data bindings one-way and one-way to source:. This is the way Angular supports two-way data binding.

It generally works in almost all cases with the limitation that we could use only one property with two-way data binding in the case of TextField this is the text property. For all NativeScript controls NativeScript-Angular plugin provides the underlying infrastructure to support native controls via ngModel directive the same way as Angular syntax. It is done by using a single value property for every control that could be used with ngModel syntax.

Following is the list of available properties:. It's just another way of one-way binding placed in the middle of a text. Note: Notice that property text of the Label element in previous example is not surrounded by any brackets. Often data within Data Model is stored in a way that is optimized for best performance of tasks like search, replace and so on. Unfortunately, the way computers store data differs a lot with a human readable format.

Probably the best example is Date object.

textfield label nativescript

In JavaScript Date actually is a very big number that represents milliseconds from Here comes the use of data converters which basically are functions that formats the data from Model in a human readable format display in UI. Angular uses the same concept and names it pipe like UNIX pipe - value is passed to the pipe function which transforms it and the final result is displayed to the user.

Using pipe is simple and with the same syntax like UNIX pipe. Pipes, like pipes in UNIX, can be chained and used one after another, while each pipe receives the result of the previous pipe or the value of the property:. Note: Pipes do not work with one-way to source and two-way binding syntax. NativeScript Angular. Ask the community Improve this article.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. But I have no success, because I'm using Angular. After I followed the tutorial of this plugin, and build, the page with the tags of TextInputLayout, the page dont show anything.

Hi betosalvadorThank you for your interest in NativeScript. I reviewed your case and the above-given plugin and I found that nativescript-textinputlayout has not been compatible with latest NativeScirpt. You could contact with the plugin author and to open new issue in its repo. You could also comment in the existing onewhere has been reported that the plugin is not working, when you try to use it in a new project.

As a temporary solution, you could use NativeScript Animations and to create similar functionality. For you convenience I am attaching sample code. For your help you could review our getting started tutorial, which could be a good starting point. Hello tsonevn. Thanks for your response. I understood your solution. In this case, I will have to implement all animations for floating label, like position, size small, and when user leave the focus on this field, the position and size must returns to original.

I cant figureout a simple way to do this, for this reason I want to use some plugin to help my in this work. Hey betosalvadoryou can use nativescript-textinputlayout with Angular perfectly fine.

Check out this Stack Overflow answer. Hi All. I an getting these errors after I install this plugin on ios. Please, can you direct me to resolve this issue? This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up.

New issue. Jump to bottom. Is there any way to use floating label on TextField? Labels question.

How to Vertically Center Label Text in NativeScript Android Tutorial

Copy link Quote reply. Please, provide the details below: I want to use floating label on my TextFields, how can I do that? Which platform s does your issue occur on?The purpose of this article is to explain what is Data Binding and how it is working in NativeScript. Also in the article could be found samples, which demonstrates different use cases of the data binding usage. Data binding is the process of connecting application user interface UI to a data object code.

It enables changes propagation by reflecting UI modifications in the code and vice versa. In the following article, source is used as any object in the code and target as any UI control like TextField. Part of the data binding settings is the way data flows.

NativeScript data binding supports the following data transmissions. One-Way : This is the default setting, which ensures that the target property updates when a change in the source property occurs.

However, UI modification will not update the code and it will stop the binding connection. Two-Way : This setting ensures the reflection of changes in both directions — from target to source and source to target. You can use two-way data binding when you need to handle user input. Generally, almost every UI control could be bound to a data object all NativeScript controls are created with data binding in mind. After your code has met the following requirements, you can use data-binding out of the box.

The example below consists of a LabelTextField and a source property to which the UI controls are bound. The purpose of the sample is to demonstrate how the Label text is changed, while editing the input of the TextField. First, the source object is created with a textSource property. A constant flow of propagating changes from the source property to the Label is necessary. Thus, the property in the code has to raise a propertyChange event in order to notify the Label for the changes.

To raise this event, a built-in class is used, which provides this functionality - Observable. Next, target objects are created to bind to the source property. After that, the target objects bind to the source object. The TextField uses a two-way binding, so the user input could change the property in the code. And the binding of the Label is set to one-way in order to propagate changes only from the code to the UI.

To create a binding in XML, a source object is needed, which will be created the same way, as in the example above Two-Way Binding in Code. Then the binding is described in the XML using a mustache syntax. With an XML declaration, only the names of the properties are set - for the target: text, and for source: textSource. The interesting thing here is that the source of the binding is not specified explicitly. More about this topic will be discussed in the Binding source article.

An important part of the data binding is setting the source object. For a continuous flow of data changes, the source property needs to emit a propertyChange event. NativeScript data binding works with any object that emits this event. Adding a binding source happens by passing it as a second parameter in the method bind bindingOptions, source.

This parameter is optional and could be omitted, in which case a property named bindingContext of the Bindable class is used as the source. What is special about this property is that it is inheritable across the visual tree.James and Misty, United States Golden Circle and South Coast - Winter, April 2011 Why chose this tour because we had a limited time in Iceland and wanted to see as much as we could in the time allotted.

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textfield label nativescript

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textfield label nativescript

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Hunt went on to give those present the current predictions for the 2012 fire season, which has already started. The National Fire potential map shows the states most at risk with Arizona (the only state in the country that is mostly covered in red) are western New Mexico, Utah and Colorado, a large portion of Florida and up the east coast to North Carolina, as well as parts of California and Nevada.

More firefighters than civilians die in forest fires. The average number since 1990 to 2010 is about 10 civilians per year compared to 20 firefighters. The largest loss of firefighters in the last 20 years was about 36 in 1994.

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Hunt reported that the funds for the 2012-2013 fiscal year for fuel reduction treatments has been cut by about 20 percent. Other documents at the forum show that there are a total of 46 million homes that are in the potential line of fire in what is called the wildland-urban interface (WUI).

The average number of structures lost in wildfires has increased rapidly since the 1990s. The years 2003, 2007 and 2011 had the most structures lost across the country at 5,781, 4,900, and 5,850 respectively. Along with the rise in fires and structures lost are the costs associated with fighting fires, in direct correlation. The rest of the forum was spent on Community Wildfire Protection Plans, funding for plans, WUI fire codes, the Firewise USA program, and the Ready, Set, Go program. All of these programs are efforts started by federal, state and local governments and local private communities to educate property owners on their responsibilities to make sure their property is fire safe.

Most forest area fire departments and communities have one or more of the above programs and will help property owners assess their risks. That includes, in some cases, funding to help with thinning treatments. Insurance companies are also working with clients.


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