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How to draw a line in android
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This one draws 2 lines which form a cross on the top left of the screen:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class DrawView extends View {
Paint ...
Programmatically set the initial view controller using Storyboards
...nary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds];
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];
UIViewController *viewController = // determine the initial view controller here and instantiate ...
Changing the status bar text color in splash screen iOS 7
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@Yasmin : to changer color AFTER the splash screen, this solution was already part of the question ;)
– Vinzzz
May 4 '15 at 17:01
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getting the screen density programmatically in android?
How to get the screen density programmatically in android?
19 Answers
19
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Input text dialog Android
...he result in a String . I'd like the text Dialog to overlay the current screen. How can I do this?
7 Answers
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Status bar and navigation bar appear over my view's bounds in iOS 7
...ons.
Using View Controllers
In iOS 7, view controllers use full-screen layout. At the same time,
iOS 7 gives you more granular control over the way a view controller
lays out its views. In particular, the concept of full-screen layout
has been refined to let a view controller specif...
ViewPager and fragments — what's the right way to store fragment's state?
...re using FragmentStatePagerAdapter). This is controlled by ViewPager.setOffscreenPageLimit(int). Because of this, directly calling methods on the fragments outside of the adapter is not guaranteed to be valid, because they may not even be alive.
To cut a long story short, your solution to use putF...
Why is semicolon allowed in this python snippet?
...e shell, IDLE, ipython) the value of the last expression is printed to the screen and usually this is the intended behavior.
Using an expression for side effects
But in some cases you want to evaluate an expression for its side effects only, e.g., to see the results of your simulation plotted by m...
Specifying and saving a figure with exact size in pixels
...o show a figure of that size (matplotlib requires the figure to fit in the screen, if you ask for a size too large it will shrink to the screen size). Let's imagine you want an 800x800 pixel image just for an example. Here's how to show an 800x800 pixel image in my monitor (my_dpi=96):
plt.figure(f...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
... of onStop, that line of code wont do things and thus show nothing on your screen. When users come back to the application, they will see an empty screen, that's the empty host activity showing no fragments at all. It's bad experience(yeah a little bit better than a crash).
So here I wish there cou...