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A KeyValuePair in Java [duplicate]
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Android programmers could use BasicNameValuePair
Update:
BasicNameValuePair is now deprecated (API 22).
Use Pair instead.
Example usage:
Pair<Integer, String> simplePair = new Pair<>(42, "Second");
Integer fir...
Authorative way to override onMeasure()?
...ding onMeasure()? I've seen various approaches. For example, Professional Android Development uses MeasureSpec to calculate the dimensions, then ends with a call to setMeasuredDimension(). For example:
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Android “Only the original thread that created a view hierarchy can touch its views.”
I've built a simple music player in Android. The view for each song contains a SeekBar, implemented like this:
27 Answers
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android fragment- How to save states of views in a fragment when another fragment is pushed on top o
In android, a fragment (say FragA ) gets added to the backstack and another fragment (say FragB ) comes to the top. Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it.
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InputStream from a URL
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Calling this method in UI thread in Android will raise an exception. Do it in a background thread. Use Bolts-Android
– Behrouz.M
Mar 6 '19 at 10:16
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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...块并将其拖放到基于 Web 浏览器的平台上即可创建自己的 Android 移动应用程序 [2]。 这种简单易用的编程界面支持超过 450 万用户，使每个人（即使是没有任何编程经验的人）都能够快速创建自己的移动应用程序。 与传统的Android...
Android dismiss keyboard
...ed like a champ for me, the getWindow().setSoftInputMode method did not on android 4.0.3 HTC Amaze.
@Ethan Allen, I did not need to make the edit text final. Maybe you are using an EditText inner class that you declared the containing method? You could make the EditText a class variable of the ...
Detect Safari using jQuery
...of window.InstallTrigger !== 'undefined';
var is_safari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
Usage:
if (is_safari) alert('Safari');
Or for Safari only, use this :
if ( /^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {alert('Its Safari');}
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What is the native keyword in Java for?
... with _1 in the C function name as mentioned at: Invoking JNI functions in Android package name containing underscore
Interpretation
native allows you to:
call a compiled dynamically loaded library (here written in C) with arbitrary assembly code from Java
and get results back into Java
This ...
Android basics: running code in the UI thread
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As of Android P you can use getMainExecutor():
getMainExecutor().execute(new Runnable() {
@Override public void run() {
// Code will run on the main thread
}
});
From the Android developer docs:
Return an Executor th...