Android :: Scrollable Area Like In Robo Defense Game (both Horizontal And Vertical)
Aug 13, 2009
I'm trying to implement something very similar in my application, but looks like it's impossible to do this with standard components. I read several topics about such scrolling feature in the group, but all the topics ends with suggestion to write your own scroll view. I wonder did somebody implement such scroll view already? Or can somebody provide a brief how-to on this particular feature. I think any information on this would be very appreciated by many members of the group.
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Aug 9, 2010
I want to implement an activity where the only thing you see is a big image, which can be scrolled horizontally and vertically.On Top of that image I want to display buttons, that can be clicked and trigger certain actions (like creating an intent to start a new activity). First I was thinking about a ScrollView, that has a FrameLayout as a child. The FrameLayout could have the image as a background and can have the buttons as childs. Because I know the position of my buttons exactly I could place them with absolute coordinates. Here is my first code:
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<FrameLayout
android:layout_width="1298px"
android:layout_height="945px"......................
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Nov 3, 2009
On my htc hero, this error message randomly appeared whenever I try to save a game, or access the options.Save State: Could not open fileQuick Save Failed Anyone know a fix? Or can I re-install this without having to pay for it again?
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Oct 30, 2010
What is a tower in Robo defense, I try to play "finish a map utan upgrading eventuelle towers" but doing something wrong.
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Jun 1, 2010
I have a droid running BB 1.1 with Bekit's 1ghz kernel and Set CPU.
The problem I am having is that when I play Robo Defense my CPU Temp goes over 50 degrees Celsius and goes to my failsafe speed of 600 MHZ. Is this normal or is my failsafe temp just too conservative? Should I just clock it down a little for gaming? That would seem kinda counter-productive, to clock down for the most demanding thing I do but I guess it might be worth it VS overheating.
Also, which should I worry about more, the CPU or battery temp? I've seen posts saying that the battery actually has a much lower safe temp range, but I'm a little worried about the keyboard soaking heat from the CPU and coming unglued. I saw a picture of that and I'm not sure if overclocking was the cause but it seems possible, my keyboard is HOT when the CPU hits 50c
Sorry if this has been asked a lot before, I did try a search but didn't come up with anything regarding overheats during games.
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Aug 28, 2010
I want to buy the full version of Robo Defense but can only find FREE version on Android Market - where can I buy it?
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May 7, 2010
Any insights/pointers regarding creating a layout like this. I have wasted quite a bit of time on this. I want to create a vertical linearlayout which has multiple ExpandableListViews separated by TextViews.
CODE:.........................
I tried the following approaches but each of them has one shortcoming or the other:
1. Add TextView and ExpandableListViews to a linearlayout. The problem with this approach is that LinearLayout by default is unscrollable.
Adding the LinearLayout to a ScrollableView creates even more issues because ListViews handle their own scrolling behavior.
2. I tried using a single ExpandableListView to model the above layout but the problem is that setGroupIndicator applies to the entire ExpandableListView, not a specific group.
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Jul 7, 2009
is it possible to have both Scrollbars together. My Application is too big for just one of them. I tried it with a ScrollView in a HorizontalScrollView Layout, but it supports only vertical or horizontal scrolling at the same time and not crosswise. It would be nice to have a scrolling just like in the Browser of Android. Is this possible?
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Feb 16, 2009
I have two splash screens for my android app one for horizontal and second for vertical and also have two xml layout file like h_splash.xml and second is v_splash. and i want to show these file like this in my code if(horizontal or event which for horizontal ) { setContentView(R.layout.h_splash) }
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Jan 11, 2010
I'm really tired looking for a solution for Scrollview vertical and horizontal. I read that the any view/layout implements this feature in the framework but i need something like this. I need to define a layout within other, the child layout must implement scrolling vertical/horizontal for moving. Initially implemented a code that move the layout pixel by pixel, but i think that is not the right way. I tried with ScrollView and HorizontalScrollView but any ones work like i want, because only implement vertical or horizontal scrolling.
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Oct 13, 2010
I am trying to use a ProgressBar as a metering like display. I thought it was going to be an easy task and thought that ProgressBar had a property to set to be vertical, but I'm not seeing anything. Additionally I'd like to be able to show ruler like indicator along the side of the bar to clearly indicate the current level.
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Jun 22, 2009
How do you detect a horizontal or vertical finger swipe?
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Mar 2, 2010
i am adding scaling image (size 800 x 800) to Scroll layout but this image does not scroll vertical or horizontal.
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Dec 14, 2009
Is it possible to put a scrollView(vertical scroll view) inside HorizontalScrollview, so that, I want my screen to scroll both horizontally and vertically.
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Jun 9, 2010
I'm using a Nexus One and the Camera displays horizontal when it should be vertical and vice versa. I've no idea what's wrong. The code works fine on a HTC tattoo.
class Preview extends SurfaceView implements SurfaceHolder.Callback {
SurfaceHolder mHolder; Camera mCamera; Preview(Context context) { super(context);
// Install a SurfaceHolder.Callback so we get notified when
//the // underlying surface is created and destroyed.
mHolder = getHolder(); mHolder.addCallback(this);
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
} public void surfaceCreated(SurfaceHolder holder) {
// The Surface has been created, acquire the camera and tell
//it where // to draw. mCamera = Camera.open(); try {
mCamera.setPreviewDisplay(holder); } catch (IOException e) {
// TODO Auto-generated catch block e.printStackTrace();
} } public void surfaceDestroyed(SurfaceHolder holder) {
// Surface will be destroyed when we return, so stop the
//preview. // Because the CameraDevice object is not a shared resource,
//it's very // important to release it when the activity is paused.
mCamera.stopPreview(); mCamera = null; }
public void surfaceChanged(SurfaceHolder holder, int format, int
w, int h) { // Now that the size is known, set up the camera parameters
//and begin // the preview.
Camera.Parameters parameters = mCamera.getParameters();
parameters.setPreviewSize(800, 480);
mCamera.setParameters(parameters); mCamera.startPreview();
}
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Jan 16, 2010
Is it possible to configure all layouts of an Android app to support BOTH landscape and portrait mode so that the app will work both when phone is held vertically and horizontally. From my brief reading, it seems not. Am I right?
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Apr 2, 2009
How can I change the Android view from horizontal to Vertical by force? Can the view switch dynamicly?
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May 25, 2009
how I can add a horizontal and vertical scrollbar for an EditText? I need it to be done through java code and not through xml.
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Feb 10, 2010
I'm playing around with android, and I'm creating a simple twitter app to test what I've learned so far. But I've run into a problem that I don't understand. I created a thread to fetch the tweets, no problems there, but then added a ProgressDialog to show when that thread was running. Doing so caused a very unusual behavior. If the user rotates from Vertical orientation, to horizontal orientation, program behaves as expected, no problems, but if he then rotates back, the program crashes saying a window leaked.
The problem only happens on a horizontal to vertical layout switch. I know of the issues of if you try to rotate while the dialog box is running, but I've made sure that the dialog box has finished running and dismissed before rotating and it will still crash. Heres my code:
package com.onesmartpuppy.puppytweet;
import java.util.ArrayList;
import com.github.droidfu.widgets.WebImageView;
import winterwell.jtwitter.Twitter;
import winterwell.jtwitter.Twitter.Status;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Context;...............
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Apr 7, 2010
It means, that it has vertical headers (fixed horizontally), which can be scrolled vertically, and horizontal headers (fixed vertically), which can be scrolled horizontally. The contents should be scrollable both vertically and horizontally. To make it clear, I tried to 'draw' here...........
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Nov 15, 2010
how to add both scrollbar. First of all i clear to all. I added both scroll bar in tablelayout but main problem is i m using dynamic data for filling tablerow. So, if there is only one record so horizontal scroll view top after the data. but i want to show horizontal in bottom and also show vertical.
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Jul 9, 2010
I would like to restart my application, just like when you change from horizontal to vertical. Something like finish, but I don't want to exit the program.
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Jun 3, 2009
I need to set different content view after rotating device screen. Is there any method to detect the direction of current screen is vertical or horizontal?
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Apr 8, 2009
I have played around a bit with the xml files for creating layouts and can't explain the behaviour of layout_weight when using it in a LinearLayout that has orientation="vertical"
When creating a layout that is horizontal everything follows the documentation, that a child would get more space if it's has the highest value.
But the following code for vertical orientation, give more space to the item with lowest weight.
CODE:..........
And the question is: Is this a bug or just a feature that maybe need more documentation?
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Aug 11, 2010
Is is possible for me to have a keypad style keyboard when I hold the phone vertical and then switch to the qwerty keyboard when I turn it to the horizontal? If so, how do I do it? I just find that the qwerty is a bit too small for my fingers when it's squashed up in portrait mode.
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Oct 31, 2010
I want horizontal-vertical rate unchanged. How can ı Do this?? my picture is rate is 320x70. for example, in my phone(samsung galaxy-s GT-I9000) it looks like 320x100. originally I have a circle but it look ellipse... ı have to fix it, but how can ı do?
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:background="@drawable/main"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/resandroid">
<LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical" android:layout_weight="5"></LinearLayout>.........................
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Sep 20, 2010
I'm new to Android and I want to make an image gallery where each column is a category, and users can scroll both vertically and horizontally. I found a useful post about how to display list of images here. I'm wondering if it's possible to nest lists of image inside of a gallery view?
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Nov 11, 2012
Is there any launcher that you can scroll the home screens both vertically and horizontally? Not 3-d but 2-d, like a 4x4 grid of homescreens.
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Nov 13, 2009
Is it just me or is the qwerty Keyboard, going from vertical to horizontal is very very slow. I'm like sitting there waiting forever for it to change, and by that time i forgot what i was going to write.
is there a fix or for that matter a quick button you can press to switch it?
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Mar 24, 2010
Trying slideit and love the horizontal word suggestions compared to vertical weird choice of swype but:
1) do I really have to hit shift then question mark or exclamation mark each time to punctuate?
2) if I write a word, then put in a numerical, there is no space
3) if I want to go back and as a letter to am already formed word, there is always a space put in automatically, impossible to change a word like dog into dogs, comes out like dog s
4) contacts not in slide it dictionary
Very possible its my inexperience, live swype, hate the venice distracting word suggestion
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