Android : Use Combination Of Layouts To Get Widgets At Desired Position?
Oct 19, 2010
we are confused with designing interface file for android,we have made user interface with Absolute layout and used "dip" instead of "px" (for different screen size issue) ,but it looks like,Absolute layout has been depreciated,and developer.android, recommends not to use Absolute layout
So other option we have is to use
1.Linear layout
2.Frame layout
3.Table Layout
But we are unable to bring Combination of above layouts so,that we can make button/widgets to proper position we need
How do we make widgets to desired position of screen with above said layouts and making them compatible with different screen sizes we have in android devices
would like to get a generic answer about same,
Tools used are: DrawDroid
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Sep 6, 2010
I'm creating a game where there's a screen that, for the most part, is shared by four different activites - but a key portion of the screen will be completely different, depending upon which activity is active. Basically, on the left will be an image of the player and along the bottom there will be a row of buttons (let's say for Armour, Weapons, Magic, Skills). This leaves the top-right portion, which will need to dynamically change to represent the button pressed. (So, one moment the top-right portion is the armour selection activity, and the next it's the weapon selection activity, and so on.)
Is this possible? Can I have a layout within a layout and dynamically point the nested layout at a (nested) layout.xml of my choosing? Or, am I looking at just duplicating most of the layout four times (for the four different activities?) Or, am I going to be looking at linking the four activities to a (the top-right) view component, and then having to dynamically construct all of *that* view's child views based on the currently active activity? Well, that's about as much sense as I can make this question make.
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Apr 7, 2010
From the standard home screen on the X10, when you drag your finger across to the left to open the screen to the right of the home page, is there any functionality to change the order and position of apps/widgets I have added.
The reason I ask is because when I add them, they are not aligned to each other and have been positioned pretty haphazardly, plus I'd like to be able to determine myself where each icon is placed.
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Jan 18, 2010
First I want to say that I have read many articles on this subject in this forum and on some external resources(very helpful was Robert Green's diary at www.rbgrn.net and www.droidnova.com).
However, despite all of this I want to start topic regarding FPS, and ask for advice from experienced game developers on Android platform.
My main question is "How to improve FPS when draw on Canvas?"
I have implemented simple 2D arcade game skeleton for testing purpose. Now I have ~20 FPS and want to increase this value to 40-50 FPS, if this is possible of course. I know about Open GL ES, but so far I am interested in Canvas.
In every frame I draw following stuff on the screen: - Canvas.drawColor(Color.BLACK) - to clear the screen - 1 spaceship PNG 24x24 image 1.25 kb - 5 asteroids PNG 64x64 image ~8 kb each - from 1 to 30 bullets PNG 8x8 image 299 b - 4 30x30 Rectangles - to control objects on the screen
After running my app, in logcat I can see following output data: - Average FPS: 20 (Total frames drawn: 1945 in 97 seconds) - Average onDraw: 32 ms (clear canvas: 3, draw game stuff: 26, draw controls: 1) - Average updatePhysics: 1 ms
From this output I can assume, that my main problem here is "draw game stuff" wich includes: - draw 1 spaceship - draw 5 asteroids - draw from 1 to 30 bullets
Here is my code:........................
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Mar 30, 2010
Seeking help to design a layout as shown here:
http://docs.google.com/Doc?docid=0AQhgDtGvE2HgZGZ6cmtua185MTd0eGdyZmc&hl=en
The major challenge I face is aligning the components at desired positions. Please refer the three buttons(icons) and the way they are positioned.
Literally, going nuts, thinking how to position those exactly at the desired places.
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Sep 29, 2010
On my htc i was looking through display, i see g sensor calibration and i perform this calibration and after i do so the screen seems to have a delay when switch from the horizontal position to the vertical position. its weird because when i switch to the phone horizontally it switch normally and responds fast. but when i switch back to vertically it takes almost 7 seconds to actually switch back, sometimes it switch within 2 or 3 secs but never as quick as switching horizontally.
MQuote:
Originally Posted by Rigmaster
Make sure you have the latest updates, which impact speed on the device in some unpredictable and unexpected ways. During system updates, your Evo may reboot and will take the g-sensor changes as last calibrated.
If you're already updated, shut down and repower (soft reboot) should do the trick. I actually updated my phone and after it started to do this. I restarted the phone plenty of times i even took the battery out for 30 seconds. It only does it when im texting on the browser, basically everything but the camera. He camera screen rotation is perfect. I even rooted the phone but i havent figured out how to use the root to fix the problem. Should i do a firmware update? Because i just did the htc software update.
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Jul 3, 2010
I have finally - after days and days of agony - figured out that I need two forms of encryption for my Digital Signatures Project. The first will will be symmetric (AES) and will encrypt the license data and the second will be a asymmetric (RSA) an will encrypt the symmetric key. Can someone give me pointers on the best methods to use for Android.
For the public/private keys I am using: "RSA/ECB/PKCS1Padding"(I head ECB is bad so what should I use?, what about the PKCS1Padding - shoudl I be using PKCS5Padding?)
For the symetric keys I will probably use: "AES/?/?" (What mode and padding should I use?)
The provider: "BC"
RSA Keysize: 1024 (I tried 2048 but it didn't work for some reason)
AES Keysize: ?
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May 20, 2010
I've got a database. In its "tags" column, rows can have a combination of multiple values "A, B, C"--such that: row 1 has "A" row 2 has "A, C" row 3 has "B, A" and so on, in various permutations. I am trying to implement search using a managedQuery such that I can return a cursor that contains rows with one or more values in the query. For example, if the user enters "C, A" for a search, s/he should get all rows that have A, C, or A and C. I'm splitting the user query on the comma (",") character, and the final call is as follows (parameters replaced by actual values):
mActivity.managedQuery("content_uri", [id, title, tags], "title LIKE ? OR tags LIKE ?", [%A% OR %C%, %A% OR %C%], "title ASC")
Even though there are rows in the database that contain A, C, or A and C--the managedQuery returns nothing. Thankfully, if the query is for "A", or for "C", the appropriate rows with "A" or "C" or "A and C" are returned. It's just that a query with more than one search term returns nothing. What am I doing wrong here? My guess is that %A% OR %C% is incorrect logic, but why?
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Nov 24, 2010
I have written a TestSuite to find out how to calculate the rotation angles from the data you get in SensorEventListener.onSensorChanged(). I really hope you can complete my solution to help people who will have the same problems like me. Here is the code, i think you will understand it after reading it. Feel free to change it, the main idea was to implement several methods to send the orientation angles to the opengl view or any other target which would need it. method 1 to 4 are working, they are directly sending the rotationMatrix to the OpenGl view. method 6 works now too, but i have no explanation why the rotation has to be done y x z.. all other methods are not working or buggy and i hope someone knows to get them working. i think the best method would be method 5 if it would work, because it would be the easiest to understand but i'm not sure how efficient it is. the complete code isn't optimized so i recommend to not use it as it is in your project. Code...
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Feb 22, 2012
Any app that combines messages coming from multiple apps such as messages, gtalk, voice..etc? Why the hell it hasn't been implemented yet as part of the phone? I am really tired of having to switch between every app during a particularly busy message binge.
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Mar 6, 2013
I have a Verizon USB modem. Is there an android tablet I can buy that will work with my USB modem? I would rather not get an embedded 3G/4G tablet. I want the functionality to be able to use the USB modem in my current Windows laptops as well.
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Dec 24, 2009
Okay so i created a folder on my sd card called ringers, worked great for allowing me to use my mp3 files that i croped for my ringtones, however when the phone rings it doesnt ring at the desired volume from the begining, it vibrates only for 1 pulse then the volume slowly comes in from min to the desired level it is as if it is set to escalating. I have searched through all the settings but if there is a way to turn this off i have missed it. I know the mp3 file doesnt escalate because i use the same file on my moment and it rings at full volume from the beginning.
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Sep 8, 2010
Can anyone tell me if there is a profile manager that allows you to select a desired "scene" along with other settings such as Airplane, Volume, etc?
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Aug 6, 2010
I am trying to use open intents simulator and do all the settings according to the instructions. But when i tried to run a sample program, after running, its directly going to the "connections settings page" in openintents.apk.
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Jul 19, 2010
i saw that there isn't an easy way to do this with the incredible but does anyone know if there a screencapture for the droidx? maybe a combination of keys on the phone like a computer?
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Apr 21, 2014
I have a Galaxy S5 with 4.4.2. I dont recall if this happened when I had my S4 but this is my issue. When I am in my car and connected to the cars bluetooth, whenever I want to speak to google to do a search or something it goes through the bluetooth of the car. This would be fine but sometimes it waits like 2-3 seconds until the bluetooth in car picks up and messes up my train of thought. I would like to make the voice search not use the bluetooth when connected.
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Oct 8, 2011
A boot loop happen after i tried installing cyanogenmod 7 early realease from this forum. Now the device stuck in boot and will display cyanogenmod 7 blue circle around 3 -4 seconds over and over. I need to do a factory reset, but now it stuck in boot loop and it does not have a key combination to go into recovery mod.
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Oct 13, 2010
Hope you all are doing good. i am having query to place button in my main view. This is the code but it creates button on upper part in center but i want to shift it bit down wards. Any body knows how can i place button in main view where i want?
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Feb 9, 2011
My samsung i5500 wont boot normally so I want to try booting it into recovery and resting it. I've tried power, center key and volume down. which I thought was the recovery combination but it just comes up with an icon saying downloading and does nothing. Any recovery combination or another way to fix.
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Dec 25, 2013
A weird problem appeared today with the phone of a friend of mine.I 'm a bit worried whether this might be a HW issue. The key combination does not bring the recovery screen.
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Oct 29, 2010
Change log states "Toggle widgets can be skinned".where is the option? I'm sure it's obvious, but I sure can't find it.
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May 11, 2009
I am sending key events using sendKeys() but how could I send combination keys, like "Search + e" ? Anyone could help me on the issue?
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Dec 15, 2009
Was wondering if anyone has used both and if so, which one is better and why you think so.
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Sep 21, 2010
If I first set the content view to my xml layout using setContentView(R.layout.main); and then add another content view using addContentView(layout, params), the content views overlap each other. I want the second content view to position itself directly under the first one. Is it possible or do I need to combine the xml and the programatically created layouts in some way? Both of the layouts are linear.
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Oct 16, 2009
i have a layout folder with 2 layouts. layout1 and layout2 i have another folder layout-land that has layout1 in it. i would like to be able to get to all the layouts so i could create a set of layout like this: {layout1, layout2, layout1(from layout-land folder)}is there any way i can use the existing android mechanisim to do that? if not, what would be the impact of creating my own definition of the layout folder (for example to have under the layout folder layout1, layout2 and layout_land1 and have my code do getOrientation to diffrentiate whcih one should be presented).
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Aug 31, 2010
while making my application layout i want a button to remain at the very bottom of the screen while a scroll view is placed above it. I am unable to do this i was using the size of the scroll view as 430dp so that it works but when i change the orientation of the screen this does not work as 400dp is bigger than the screen. how do i make it so that the button stays at the bottom irresepective of the screen orientation ?
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Apr 26, 2009
I'd like to build an activity that is mixing layouts with 2D graphics. So for example, would like to introduce an edittext with an integer value and based on that value the size of a circle is dynamically adjusted and drawn. Any idea how to do this?
For plain graphics I am using this approach here - but how can it be expanded to cover Android layouts (buttons, editboxes, textviews, radiobuttons, etc.)?
CODE:..............
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Nov 18, 2010
Is it possible to create subfolders under res/layout and place the layout XML files there so that one can call a view like setContentView(R.layout.questions.create); or setContentView(R.layout.questions/create); ?
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Aug 10, 2009
I've met a problem with animation when tried to make a View to perform the animation which should cross 2 layouts, e.g. make a translate animation so a view could move down to the TableRow below. This trick works fine when i try to move a view within a single TableRow but not when i try to move it up or down. I've also discovered that if i create a single RelativeLayout and apply the same animation there, it works fine, but i can't arrange all the components i need on the screen. Could anybody please provide me any hints about it?
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Apr 27, 2010
supporting multiple screens (sizes and resolutions). I´ve searched not only this forum but many different websites and the android documentation but I´m probably doing a small mistake so things are not working properly.
Well, my main layout was designed with a HVGA screen, and it works great. When I try the same app on a WVGA, FWVGA, WQVGA or FWQVGA, I always get an unused space in the end of the layout because the screen ´s "heightnes" is proportionally bigger than HVGA´s.
So I consulted the documentation and decided to give a try on resource qualifiers, so I then created a nonsense UI and placed it on layout- large, created a new AVD using the WVGA skin and launched the app. Well, all I got was my old and not well stretched layout. The same happened to a FWVGA AVD.
This is the first problem. The second is: medium high density medium size screens and medium density large screens have the same resolution: how can I create a layout that is loaded for both, but not for (for example) medium size medium density or small size medium density screens?
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