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Email Address Validation in Android on EditText [duplicate]
...(target) && Patterns.EMAIL_ADDRESS.matcher(target).matches());
}
Kotlin:
fun CharSequence?.isValidEmail() = !isNullOrEmpty() && Patterns.EMAIL_ADDRESS.matcher(this).matches()
Edit: It will work On Android 2.2+ onwards !!
Edit: Added missing ;
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Is there any simple way to find out unused strings in Android project?
...arations too". It deleted me lots of id's that my code was actually using (Kotlin Android Extension plugin - that will allow recovering views from Activities, Fragments, and Views)
– Dan Alboteanu
Dec 15 '18 at 13:02
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TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
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Kotlin Solution
To set using a resource, just use this:
textView.setTextSize(COMPLEX_UNIT_PX, textView.resources.getDimension(R.dimen.my_text_size))
To do the same with a resource value, add this extension property to muc...
Change text color of one word in a TextView
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I implemented a utility function in Kotlin for my own usecase and maybe useful for someone else.
fun getCusomTextWithSpecificTextWithDiffColor(textToBold: String, fullText: String,
targetColor: Int) =
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Programmatically change input type of the EditText from PASSWORD to NORMAL & vice versa
...ype.TYPE_TEXT_VARIATION_PASSWORD) :
InputType.TYPE_CLASS_TEXT }'
If using Kotlin:
password.inputType = InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_PASSWORD
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Is there a way to automatically generate getters and setters in Eclipse?
... Project Lombok (or at least the idea) should be part of Java 11. I use Kotlin for Pojo classes only to escape getter setter generation :/
– Wolf359
Apr 11 '18 at 22:01
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Load dimension value from res/values/dimension.xml from source code
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Use a Kotlin Extension
You can add an extension to simplify this process. It enables you to just call context.dp(R.dimen. tutorial_cross_marginTop) to get the Float value
fun Context.px(@DimenRes dimen: Int): Int = resources.getD...
Reading a resource file from within jar
...nk this should be works in java as well. The following code I use is using kotlin.
val resource = Thread.currentThread().contextClassLoader.getResource('resources.txt')
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Akka or Reactor [closed]
... are strongly committed to Groovy, people have already started Clojure and Kotlin ports. Add to this mix the fact that some requirements are driven by Spring XD and Grails.
Many thanks for your witnessed interest, hopefully you'll have more comparison points in a couple of months :)
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Setting background colour of Android layout element
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4 possible ways, use one you need.
1. Kotlin
val ll = findViewById<LinearLayout>(R.id.your_layout_id)
ll.setBackgroundColor(ContextCompat.getColor(this, R.color.white))
2. Data Binding
<LinearLayout
android:background="@{@color/white}"
OR more ...