I'm currently having a problem in my asyntask. When the progress bar has start and once I rotate the screen, the progress bar disappear and the activity restart. I am trying to use
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR);
but What if my AsyncTask is not in my activity... Its in another class file common to many activity class. Then how can I get setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR); Thanks for anyone who will help.
this works in my app. I put this line in the manifest.
**android:configChanges="orientation|screenSize"**
Here is my solution to this problem:
#Override
protected void onPreExecute() {
Device.lockOrientation((Activity)context);
...
}
#Override
protected void onPostExecute(List<Hydrant> hydrants) {
Device.releaseOrientation((Activity)context);
...
}
The Device implementation:
public class Device {
public static void lockOrientation(Activity activity) {
Display display = ((WindowManager) activity.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
int rotation = display.getRotation();
int tempOrientation = activity.getResources().getConfiguration().orientation;
int orientation = 0;
switch(tempOrientation)
{
case Configuration.ORIENTATION_LANDSCAPE:
if(rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_90)
orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
else
orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
break;
case Configuration.ORIENTATION_PORTRAIT:
if(rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_270)
orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
else
orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
}
activity.setRequestedOrientation(orientation);
}
public static void releaseOrientation(Activity activity) {
activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
}
}
As AsyncTasks are only meant to run for a few seconds, this is an acceptable solution to me as this rarely will affect a user. Especially with something as a ProgressDialog giving a nice indication of how long she will have to wait.
Related
I am working on a Xamarin.Forms app that plays videos similar to a YouTube type app. I want the video to go full screen when the device rotates (like youtube does) but I also want the orientation to be locked in to portrait. Every post or tutorial I've found points to using custom renders for detecting orientation change to determine when the device rotates, but when orientation is locked those events do not fire.
Is there a way to detect device rotation without depending on orientation changing?
On iOS you would get device orientation with:
var orientation = UIDevice.CurrentDevice.Orientation;
On Android you need to ask the Window Manager:
var windowManager = ApplicationContext.GetSystemService(Context.WindowService).JavaCast<IWindowManager>();
var orientation = windowManager.DefaultDisplay.Rotation;
You don't need a custom renderer, but you could suffice with a service you register in the service locator. This could looks something like.
In shared code:
public enum Orientation
{
None,
PortraitUp,
PortraitDown,
LandscapeLeft,
LandscapeRight
}
public interface IOrientationService
{
Orientation GetCurrentOrientation();
}
On Android:
[assembly: Dependency(typeof(AndroidOrientationService))]
public class AndroidOrientationService : IOrientationService
{
private readonly IWindowManager _windowManager;
public AndroidOrientationService()
{
_windowManager = ApplicationContext.GetSystemService(Context.WindowService).JavaCast<IWindowManager>();
}
public Orientation GetCurrentOrientation()
{
switch (_windowManager.DefaultDisplay.Rotation)
{
case SurfaceOrientation.Rotation0:
return Orientation.PortraitUp;
case SurfaceOrientation.Rotation180:
return Orientation.PortraitDown;
case SurfaceOrientation.Rotation90:
return Orientation.LandscapeLeft;
case SurfaceOrientation.Rotation270:
return Orientation.LandscapeRight;
default:
return Orientation.None;
}
}
}
Similarly on iOS:
[assembly: Dependency(typeof(IosOrientationService))]
public class IosOrientationService : IOrientationService
{
public Orientation GetCurrentOrientation()
{
switch (UIDevice.CurrentDevice.Orientation)
{
case UIDeviceOrientation.LandscapeLeft:
return Orientation.LandscapeLeft;
case UIDeviceOrientation.LandscapeRight:
return Orientation.LandscapeRight;
case UIDeviceOrientation.Portrait:
return Orientation.PortraitUp;
case UIDeviceOrientation.PortraitUpsideDown:
return Orientation.PortraitDown;
default:
return Orientation.None;
}
}
}
Then in your code you should be able to get the orientation like:
var orientationService = DependencyService.Get<IOrientationService>();
var orientation = orientationService.GetCurrentOrientation();
EDIT: detecting orientation changes
If you want to detect orientation changes on iOS you can do that by adding an observer for UIDeviceOrientation.
UIDevice.Notifications.ObserveOrientationDidChange(OnOrientationChanged);
Similarly on Android you can use SensorManager to listen to SensorType.Orientation changes. It has a bit more moving parts but looks something like follows.
You need to create a ISensorEventListener class:
class MyOrientationListner : Java.Lang.Object, ISensorEventListener
{
public event EventHandler OrientationChanged;
public void OnAccuracyChanged(Sensor sensor, SensorStatus accuracy)
{
}
public void OnSensorChanged(SensorEvent e)
{
OrientationChanged?.Invoke(this, EventArgs.Empty);
}
}
Then you need to get the sensor manager from the current Context and start listening to orientation change events:
_sensorManager = context.GetSystemService(Context.SensorService).JavaCast<SensorManager>();
var sensor = _sensorManager.GetDefaultSensor(SensorType.Orientation);
var listener = new MyOrientationListner();
listener.OrientationChanged += OnOrientationChanged;
_sensorManager.RegisterListener(listener, sensor, SensorDelay.Normal);
private void OnOrientationChanged(object sender, EventArgs e)
{
OrientationChanged?.Invoke(this, GetCurrentOrientation());
}
Where OrientationChanged is a event in the IOrientationService:
event EventHandler<Orientation> OrientationChanged;
Then you can listen to that event where needed.
For iOS
In AppDelegate.cs override the below method
public override UIInterfaceOrientationMask GetSupportedInterfaceOrientations(UIApplication application,UIWindow forWindow)
{
if (Xamarin.Forms.Application.Current == null || Xamarin.Forms.Application.Current.MainPage == null)
{
return UIInterfaceOrientationMask.Portrait;
}
var mainPage = Xamarin.Forms.Application.Current.MainPage;
if (mainPage is YourPage || (mainPage is NavigationPage &&
((NavigationPage)mainPage).CurrentPage is YourPage) || (mainPage.Navigation != null &&
mainPage.Navigation.ModalStack.LastOrDefault() is YourPage))
{
if (Configuration.IsFullScreen)
{
return UIInterfaceOrientationMask.Landscape;
}
}
return UIInterfaceOrientationMask.Portrait;
}
In a Dependency Service write the below method
public void ChangeLandscapeOrientation()
{
UIDevice.CurrentDevice.SetValueForKey(new NSNumber((int)UIInterfaceOrientation.LandscapeLeft), new NSString("orientation"));
UINavigationController.AttemptRotationToDeviceOrientation();
}
Call the ChangeLandscapeOrientation method wherever you need it.
For Android
In a Dependency Service write the below method to change the orientation to Landscape
public void ChangeLandscapeOrientation()
{
var activity = (Activity)Xamarin.Forms.Forms.Context;
{
activity.RequestedOrientation = ScreenOrientation.Landscape;
var attrs = activity.Window.Attributes;
_originalFlags = attrs.Flags;
attrs.Flags |= Android.Views.WindowManagerFlags.Fullscreen;
activity.Window.Attributes = attrs;
}
}
Below code to change the orientation to Portrait
public void ChangePortraitOrientation()
{
var activity = (Activity)Xamarin.Forms.Forms.Context;
{
activity.RequestedOrientation = ScreenOrientation.Portrait;
var attrs = activity.Window.Attributes;
attrs.Flags = _originalFlags;
activity.Window.Attributes = attrs;
}
}
Hope it helps!
I have a loading gif for all backend requests. Prior to Charm 5.0.0, it worked fine in which the loading gif would show, backend would finish what it needed to, then the loading gif would be hidden. Now, the loading gif shows, but it doesn't hide.
addLayerFactory(LOADING_GIF, () -> new Layer() {
private final Node root;
private final double sizeX = getGlassPane().getWidth();
private final double sizeY = getGlassPane().getHeight();
{
ProgressIndicator loading = new ProgressIndicator();
loading.setRadius(50);
loading.setStyle("-fx-text-fill:white");
root = new StackPane(loading);
root.setStyle("-fx-background-color: rgba(0,0,0,0);");
getChildren().add(root);
this.setStyle("-fx-background-color:rgba(255,255,255,0.7)");
this.setShowTransitionFactory(v -> {
FadeInTransition ft = new FadeInTransition(v);
ft.setRate(2);
return ft;
});
}
#Override
public void show() {
this.setBackgroundFade(0.0);
super.show();
Layer pane = this;
Task<Integer> task = new Task<Integer>() {
#Override
protected Integer call() throws Exception {
int iterations = 0;
int max = DataService.readOutTime / 1000;
while (iterations <= max) {
Thread.sleep(1000);
iterations++;
}
Platform.runLater(new Runnable() {
#Override
public void run() {
if (pane.isVisible()) {
pane.setShowTransitionFactory(v -> {
FadeOutTransition ft = new FadeOutTransition(v);
ft.setRate(2);
return ft;
});
pane.hide();
MobileApplication.getInstance().showMessage("There was an error in sending your data.");
}
}
});
return iterations;
}
};
Thread thread = new Thread(task);
thread.start();
}
#Override
public void hide() {
this.setBackgroundFade(0.0);
super.hide();
}
#Override
public void layoutChildren() {
root.setVisible(isShowing());
if (!isShowing()) {
return;
}
root.resize(sizeX, sizeY);
resizeRelocate((getGlassPane().getWidth() - sizeX) / 2, (getGlassPane().getHeight() - sizeY) / 2, sizeX, sizeY);
}
});
I have a couple of utility methods that show and hide the loader:
public void showLoader() {
MobileApplication.getInstance().showLayer(App.LOADING_GIF);
}
public void hideLoader() {
MobileApplication.getInstance().hideLayer(App.LOADING_GIF);
}
Interestingly, the custom timeout I created (to hide the loader in case there is a stall in the backend) doesn't hide the layer either.
There is an issue with your code: you are overriding Layer::layoutChildren, but you are not calling super.layoutChildren().
If you check the JavaDoc:
Override this method to add the layout logic for your layer. Care should be taken to call this method in overriden methods for proper functioning of the Layer.
This means that you are getting rid of some important parts of the Layer control, such as animations, events and visibility control.
This should work:
#Override
public void layoutChildren() {
super.layoutChildren();
root.setVisible(isShowing());
if (!isShowing()) {
return;
}
root.resize(sizeX, sizeY);
resizeRelocate(getGlassPane().getWidth() - sizeX) / 2, getGlassPane().getHeight() - sizeY) / 2, sizeX, sizeY);
}
On a side note, for the hide transition, you should use setHideTransitionFactory.
So this is what I have done to solve this. From the Gluon Docs on the hide() method:
If this layer is showing, calling this method will hide it. If a hide transition is present, it is played before hiding the Layer. Care should be taken to call this only once LifecycleEvent.SHOWN has been fired.
Thus, I was realizing that the response from the backend was coming before the layer was fully shown. Thus, I modified the overridden hide() method as follows:
#Override
public void hide() {
if (this.isShowing()) {
this.setOnShown(e -> {
this.setBackgroundFade(0.0);
super.hide();
});
} else {
super.hide();
}
}
So if the layer is still in LifecycleEvent.SHOWING mode when being told to hide, make sure that it hides when it is shown. Otherwise it is already shown so hide it.
So I'm making a zombie shooter game that works well, but after running for a while I get hit with this exception:
Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException:
Couldn't load file: 1zom3.png
at com.badlogic.gdx.graphics.Pixmap.<init>(Pixmap.java:140)
at com.badlogic.gdx.graphics.TextureData$Factory.loadFromFile(TextureData.java:98)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:100)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:92)
at com.lastride.game.Entity.changeState(Entity.java:51)
at com.lastride.game.Enemy.seek(Enemy.java:39)
at com.lastride.game.LastRideGame.update(LastRideGame.java:149)
at com.lastride.game.LastRideGame.render(LastRideGame.java:229)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:215)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:120)
Caused by: java.io.IOException: Error loading pixmap:
at com.badlogic.gdx.graphics.g2d.Gdx2DPixmap.<init>(Gdx2DPixmap.java:57)
at com.badlogic.gdx.graphics.Pixmap.<init>(Pixmap.java:138)
... 9 more
I know for a fact that the image is there as it works, but it seems that after running for a bit it crashes.
This is the method where it crashes on:
public void changeState(int i)
{
//changes the state and concurrently the image associated with the given state
state = i;
sprite = new Sprite(new Texture(Gdx.files.internal(name+i+suff)));//crashes here
bounding = (sprite.getBoundingRectangle());
if (sprite.getTexture().getTextureData().isPrepared()==false)
{
sprite.getTexture().getTextureData().prepare();
}
playerMap = sprite.getTexture().getTextureData().consumePixmap();
}
As #Tenfour04 points out, it could be an out-of-memory problem.
Instead of doing this:
sprite = new Sprite(new Texture(Gdx.files.internal(name+i+suff)));
Create an global (and/or possible static and/or possible final) Texture object, and load it just once at the beginning of your game and use it repeatably.
Something like this:
public static Texture myTexture_1; //<< your texture
public static final int ID_MY_TEXTURE_1 = 1; //<< this will work as an ID
// This method is called once in your game (like in the create() method)...
public static void load() {
myTexture_1 = new Texture(Gdx.files.internal(name + ID_MY_TEXTURE_1 + suff));
}
// when no longer necessary, remove it...
public static void dispose() {
myTexture_1.dispose();
// and so on...
}
then, in your changeState() method, do a switch to retrieve the correct texture:
public void changeState(int i) {
state = i;
switch(i){
case ID_MY_TEXTURE_1 :
sprite = new Sprite(myTexture_1);
break;
// rest of cases...
}
// rest of your code...
}
I have a TextArea that I would like to be able to append characters or words to over a period of time. I use Timer from java.util and when I run application in Eclipse everthing works ok, but when I export application into .jar I have performance issue.
Here is video from Eclipse:
http://pl.tinypic.com/r/4ftw1f/8
Here is .jar:
http://pl.tinypic.com/r/6zmoon/8
And code:
#FXML
private TextArea textarea;
public void start(KeyEvent keyEvent)
{
if (keyEvent.getCode() == KeyCode.ENTER)
{
new Timer().schedule(
new TimerTask() {
int i;
#Override
public void run() {
textarea.appendText("hey" + i + "\n");
i++;
}
}, 0, 500);
}
}
Your code has threading issues: in Java 8 it will just throw IllegalStateExceptions as you are trying to update the UI from a background thread. You need
if (event.getCode() == KeyCode.ENTER)
{
new Timer().schedule(
new TimerTask() {
int i;
#Override
public void run() {
String message = "hey"+i+"\n";
Platform.runLater(() -> textArea.appendText(message));
i++;
}
}, 0, 500);
}
I don't know if that will fix your performance issue or not. Appending text to a text area essentially involves doing lots of string concatenation; eventually (as the text in the text area gets long) this is going to be prohibitive. You might want to use a virtualized control (such as ListView), depending on the functionality you need.
Hello everyone I have been following this tutorial here http://www.gogo-robot.com/2011/05/30/xna-skinned-model-animations/ and so far its great got the animations playing and everything, but now I want to expand it and stop the continuous loops say for instance i press the a key to make the model jump when i release the a key i want him to stop jumping but if i hold the a key i want him to keep jumping. Here what i have tried so far
and none of it works.
I am stumped here on how to do this thanks for any help with this.
private void HandleInput(GameTime gameTime)
{
currentGamePadState = GamePad.GetState(PlayerIndex.One);
// Check for changing anims
//SkinningData skinningData = model.Tag as SkinningData;
SkinningData sd = jumper.model.Tag as SkinningData;
if (currentGamePadState.Buttons.A == ButtonState.Pressed)
{
if (jumper.animationPlayer.CurrentClip.Name != "Fire")
jumper.animationPlayer.StartClip(sd.AnimationClips["Fire"]);
}
if (currentGamePadState.Buttons.X == ButtonState.Pressed)
{
if (jumper.animationPlayer.CurrentClip.Name != "DieF")
jumper.animationPlayer.StartClip(sd.AnimationClips["DieF"]);
}
//does not work
if (currentGamePadState.Buttons.X == ButtonState.Released)
{
if (jumper.animationPlayer.CurrentClip.Name == "DieF")
jumper.animationPlayer.StartClip(sd.AnimationClips["Idel"]);
}
if (currentGamePadState.Buttons.Y == ButtonState.Pressed)
{
if (jumper.animationPlayer.CurrentClip.Name != "Idel")
jumper.animationPlayer.StartClip(sd.AnimationClips["Idle"]);
}
//does not work
if (jumper.animationPlayer.CurrentTime == jumper.animationPlayer.CurrentClip.Duration)
{
//set him back to idel
jumper.animationPlayer.StartClip(sd.AnimationClips["Idle"]);
}
I have tried these configuration with no luck in the game
// Starts playing the entirety of the given clip
public void StartClip(string clip, bool loop)
{
AnimationClip clipVal = skinningData.AnimationClips[clip];
StartClip(clip, TimeSpan.FromSeconds(0), clipVal.Duration, loop);
}
// Plays a specific portion of the given clip, from one frame
// index to another
public void StartClip(string clip, int startFrame, int endFrame, bool loop)
{
AnimationClip clipVal = skinningData.AnimationClips[clip];
StartClip(clip, clipVal.Keyframes[startFrame].Time,
clipVal.Keyframes[endFrame].Time, loop);
}
// Plays a specific portion of the given clip, from one time
// to another
public void StartClip(string clip, TimeSpan StartTime, TimeSpan EndTime, bool loop)
{
CurrentClip = skinningData.AnimationClips[clip];
currentTime = TimeSpan.FromSeconds(0);
currentKeyframe = 0;
Done = false;
this.startTime = StartTime;
this.endTime = EndTime;
this.loop = loop;
// Copy the bind pose to the bone transforms array to reset the animation
skinningData.BindPose.CopyTo(BoneTransforms, 0);
}
Can you not attach a bool on the animation clip to tell it to play only once, or an active variable that can be called.