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How do you switch pages in Xamarin.Forms?
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Visual Studio suggests importing Android.Content.Res for navigation. That doesn't seem to be right, from where do I have to import it?
– Christian
Nov 27 '18 at 8:34
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AsyncTaskLoader vs AsyncTask
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How to get current timestamp in string format in Java? “yyyy.MM.dd.HH.mm.ss”
....time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
Android
Later versions of Android bundle implementations of the java.time classes.
For earlier Android (<26), the ThreeTenABP project adapts ThreeTen-Backport (mentioned above). See How to use ThreeTenABP….
The ThreeTen...
Use JNI instead of JNA to call native code?
...ointers)
Full JNAerator support
works on Windows, Linux, MacOS X, Solaris, Android
As for memory copying, I believe JNA supports direct ByteBuffers, so memory copying can be avoided.
So, I still believe that wherever possible, it is better to use JNA or BridJ, and revert to jni if perfor...
普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...我个人认为程序员不存在——Java程序员、Python程序员、Android程序员、iOS程序员，这些前缀都是“工具”，后面的“程序员”三个字才是技术。让一个人号称做Web的去做Android为此离职的人真的不在少说，他们的理由通常是：我是...
What is the best Java email address validation method? [closed]
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In Android Studio you can add compile 'commons-validator:commons-validator:1.4.1' into your app\build.gradle's dependencies {}
– Benjiko99
Dec 11 '15 at 17:08
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BroadcastReceiver with multiple filters or multiple BroadcastReceivers?
I have an Android Activity that needs to catch two different broadcasts. My current approach is to have a single BroadcastReceiver within the Activity and catch both the broadcasts with it:
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Getting the class name from a static method in Java
...to use, rather clean and monstrously fast.
Available only since Java 7 and Android API 26!
MethodHandles.lookup().lookupClass();
In case you need this functionality for Android or Java 6, you can use the second best variant. It's rather fast too, but creates an anonymous class in each place o...
What's the difference between CENTER_INSIDE and FIT_CENTER scale types?
...NTER:
CENTER_INSIDE does not enlarge the image, FIT_CENTER does.
The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.
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Changing ImageView source
...mageDrawable(getResources().getDrawable(R.drawable.monkey));
*** With new android API 22 getResources().getDrawable() is now deprecated. This is an example how to use now:
myImgView.setImageDrawable(getResources().getDrawable(R.drawable.monkey, getApplicationContext().getTheme()));
and how to vali...