Android :: Drawing Simple Lines / Run On Emulator

Sep 16, 2009

I've the following code I'm trying to run on emulator ( v 1.5 of OS), but it seems like I can't use the whole canvas! Code...

Android :: Drawing Simple lines / run on emulator


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Android :: Emulator Bug Drawing Lines On GLSurfaceView

Aug 14, 2010

The Emulator draws line widths VERY incorrectly in OpenGL (GLSurfaceView). See http://www.flickr.com/photos/53002505@N03 for a comparison of the lines drawn correctly (in JOGL) and incorrectly in the emulator. The code also draws correctly on a real device (G1) - looks just like the JOGL screen shot. I believe this is a bug. However, I'm not an OpenGL GURU. Hence I have posted a concise version of the code to demonstrate this problem at at http://gist.github.com/523955 and http://gist.github.com/523961. I hope I am proven wrong about a bug in the emulator, and can find a way to use the emulator for what I want to do.

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Android :: Drawing Lines On Top Of A Image View

Jul 13, 2010

I am trying to put a background image and draw on top of that screen. I assumed activity will have a on draw method, but it does not have. it seems i need to use surfaceview. Can I put a surfaceview on top of the image view and make it transparent ? any example/tutorial i can refer to ?

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Android :: Want Simple Drawing View / Program

Aug 30, 2010

I'm trying to create the simplest 2D drawing program possible to isolate what exactly I can't figure out about drawing. This program should literally just draw a 20x20 rectangle. Here's what I have: Code...

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Android : Create App To Draw Simple Lines Through OnTouchEvent?

Dec 29, 2009

what is best way to create app in which I only need to draw simple lines through onTouchEvent? When i use invalidate everytime i draw any line, that erase lines i draw before. But if I use some List structure to store drawed lines it lose performance. Is there any simple way to do it?

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How To Draw Image Or Edit Simple Lines In Text Box

Jan 8, 2013

I am wondering if there is a way to draw an image, or edit simple lines in a text box. The entire screen is a textView/ect and i would like to be able to write a sentence then draw an image and write again. By draw i think i would use the Canvas, so basically is there a way to include a canvas in a text view?

Evernote does do this, but to edit an image/draw you need to open another app "Skitch", my goal is to try and do this without any extra apps.

For example:

Hello

(canvas/editable graphical items)

World

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Motorola Droid X :: Touchscreen Test - Drawing Lines Test

Jul 15, 2010

One more video about the fancy touchscreen of the Droid X. This one has happier results! Check it out at the link below.Droid X Touchscreen Test See you later. you'll know why this post is short when you read the blog. running downstairs!

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Android :: Playing Simple Sounds On Emulator

Feb 16, 2009

I am working on the Eclipse Emulator and with SDK 1.0 Release 2. What I would like to do is to play a simple C note with with code. Does android provide the necessary interface to produce such note sounds? Is there a sound library and API I can readily use on the device (and emulator)?

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Android :: Using FindViewById - Create Small Simple Application On Emulator?

Jan 20, 2009

I am trying to create small simple application on emulator. I want to create button and display with some click event. I am not able to use findViewById method with R.id.abc. It always gives error as R.id cannot be resolved.

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Simple Hello World Not Loading In Emulator?

Aug 25, 2010

I have set up Eclipse with the Android plug-in, and the Android SDK. But I can't get my simple Hello World application to run in the emulator.

I am going through this Hello World tutorial. I have Installed a Platform, Created an AVD, Created a New Android Project, and Constructed the UI, but when I hit Run (and select Android Application from the menu that pops up), the Emulator starts up. It takes a while on the "ANDROID_" screen, then shows the shimmering Android logo for a while. But then it goes to the "unlock" screen. When I slide the lock to the right, it opens the Android home screen. I try looking for my app in the applications lists, but it is nowhere to be found.

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Jelly Bean :: Google Mapv2 / Can Get The Source Code For The Simple Map Display On Android Emulator

Jan 17, 2014

can i get the source code for the simple map display on android emulator?

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Android :: Does ShowAlert Now Take 5 Lines To Do Same?

Dec 7, 2009

The subject says it all, just curious if I've missed something or does displaying a quick warning to the user require code such as the following; Dialog msg = new AlertDialog.Builder(Login.this) .setPositiveButton("OK", null) .setMessage("Please enter both login name and password") .create(); msg.show();

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Android : Best Drawing App?

Jul 21, 2010

What is your best drawing app?

I've tried Draw!, Draw(er), and MagicMarker, but I dunno, they each have their pros and cons and can't find one that suits me well. I'm not looking for Photoshop on my phone, but something better than a colored line. So what is your best drawing app?

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Android :: How To Draw A Different Lines In OpenGL ES

Apr 28, 2010

How to draw different types of lines like thick line, dashed line etc using opengl android?

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Android :: Need To Get Two Lines In A Row List View

Oct 5, 2010

I am trying to get two lines in the same row in a list view and I looked at some things online but found it hard to apply to what I am trying to achieve. Could anyone look at my code please and suggest me how I can make it possible. Code...

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Android :: Two Misplaced Lines In UI For Activity

Oct 4, 2010

I have a problem with designing an UI Android activity. There are two blocks of misplaced graphics on the left and right of the activity - they are two lines just bellow the titlebar with 1px height and about 5-10px width. They cause buttons to break at their left and right parts. I cannot figure out what the problem is. I am using Eclipse with Android SDK 0.9.9. The lines appear not only with the emulator but in a HTC Wildfire (Android 2.1). These lines are also visible in a newly created Android project (HelloWorld).

Link to the Broken widgets - note the button's left and right sides

XML layout:

CODE:....................

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Android :: Error When Having Edittext Lines

Oct 29, 2010

This gives me error: EditText messageEdit = (EditText)findViewById(R.id.description_text);

Why can I not do like this on a eittext with lines?

This is how the Edittext looks like

CODE:.................

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Android :: Drawing And Animating?

Nov 5, 2010

This is more of a question about animating than a specific problem coding. i need to fill in the broad strokes left by the research i've been doing.

What i'm trying to do:

The activity should load with only the a togglebutton visible. when the button is touched, a png will be animated to a certain position relative to the togglebutton. also, another button will slide in from off screen and slide off if/when the togglebutton is pressed again.

What i can't figure out:

I can draw an image, but only via xml. creating an imageview and setting the background programmatically does nothing.

When i draw from xml, i can't move the image when the togglebutton is pressed like i want to. when i call getPositionOnScreen() i get a null pointer, even though the complier can see i'm referring to the imageview described in both xml and in code.

I'm calling getPositionOnScreen because via xml, i have the image positioned behind the togglebutton so that it's not visible until the button has been pressed and the image starts moving. the idea is that with different screen sizes i won't know exactly where the view is until runtime. getPostionOnScreen allows me to get the coordinates of the imageview so i know where it has been positioned. when i have a start position, can tell it to "move up" on the screen from behind the togglebutton by simply adding to x or y until it's where i want.

This is the code to draw the image (inserted in the onCreate method).

CODE:.......

This is the code i'm using to animate. when the button is clicked, it calls this method on the view from the listener.

CODE:...............

I'm well aware that this is horribly wrong and won't work. what i need to understand is why.

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Android : App That 'animates' Drawing?

Apr 18, 2010

I'm trying to learn about Android programming by rewriting a C app I've moved from DOS to X-windows to Windows as a learning tool. It's just a silly little app that draws symmetrical 'game of life' patterns on the screen in a kaleidoscopic fashion. It's structured so that the patterns do their own animations. I.e. there's a 'Life' class that produces the next generation and redraws itself from the center outward, inserting delays to produce a kaleidoscopic effect.

I've got it so that the patterns draw - I took the LunarLander sample as a starting point, and an drawing on a SurfaceView. But my problem is with timing the 'animations'. I'm not doing traditional animation, where I build a whole frame and then draw it, but the surface seems to want to draw itself completely on each iteration of my loop, so my inserted sleep's don't insert delay in the right places.

So my questions:

1. Is there a more direct way to write to the screen than via a SurfaceView? If I did that, would the various steps of my 'animation' occur as I drew them, producing the desired effect. 2. If such a drawing method exists, would I be wasting my time learning how to use it? 3. What's the 'standard' way to do this kind of animation?

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Android : API For Drawing Chart

Oct 8, 2010

Is there any api for drawing financial chart in android.

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Android :: Way To Do Linear Layout With Multiple Lines?

Jun 20, 2009

Is there a way to do a linear layout with multiple lines? I want to lay out a variable set of buttons with variable labels, so I'd like to use a layout that works as a simple horizontal LinearLayout, but with multiple lines, so the buttons spill into a second (or third) line if they don't fit on the first one.

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Android :: Draw Multiple Lines In Edittext?

May 7, 2010

i have a customized LinkedEditText extends from EditText, and override the onDraw method as below:...........................

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Android :: Split Line Of Text Into Few Lines

Jul 29, 2010

I'm wondering how can I split single line text into few lines. I need it for game. I want to make it in canvas. It will be notification popup, but sometimes text is too long (I draw text canvas.drawText()), and I need to split it and draw in few lines in rows. Anyone knows a good solution? I saw methods mPaint.measureText() or TextUtils . split () , but it isn't so good in my case. Is there other method?

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Android :: Center A Title In A TextView With 2 Lines?

Aug 11, 2010

I know how to center the text in the TextView and how to center the TextView inside its parent layout, but what I'm looking for is how to center a title (text centered but second line starting at the same point).

What I'm looking for is this:

| Centered |
| right! |

or this:

| Center |

Not this (text centered):

| Too |
| centered! |

or this (TextView centered):

|Centered |
|wrong! |

or this (with padding and left):

| |Also | |
| |wrong! | |

Did anyone understad this? Is it possible to do this without coding the String itself?

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Android :: Color The Lines Of Logcat On Linux

Jul 29, 2010

The Logcat in Eclipse has colors ofr errors, warning, debug, ...How can I do to get the same result on Linux (Ubuntu) when I run the command 'adb -e logcat' in a terminal to get it colored?

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Android :: Change In Way Input-lines Act When Updating To 2.2

May 25, 2010

I have a calculator type app that I've developed and it's on the Android Market. It uses two input-lines (EditText) and has always worked well until I updated my Nexus One to Android 2.2.

When I would touch the input line, the soft keypad would pop-up automatically, lift up the focused input line into view, and then I would type in my numbers...no problems. But when I updated to Android 2.2, the soft keypad doesn't lift the focused input line far enough and it's only half in view. Then when I scroll down to the next input line, it doesn't lift up either and it's only about 1/4 of the way into view. Another problem is that, sometimes, when I go back and forth between the two input lines and then try to enter numbers - the numbers don't appear but they do when I scroll left. Hard to explain exactly what is happening but something strange is going on there that didn't happen under my Android 2.1 and other lower versions.

I even tried to change some input line (EditText) statements in my code and also tried to change the way the soft keypad would 'pad' the view to the top but things still didn't work after I recompiled. (android:windowSoftInputMode and android:inputType)

I also wonder if they made the soft keypad in 2.2 a little bigger in height. Does anybody out there with 2.2 mess with an app that has input lines where their softkeypad has to move the input line up into view - does it work for you?

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Android : Way To Expand Notification Text To Two Lines?

Sep 8, 2010

Is there any settings/flags to expand the summary text of a notification to two lines instead of 1? The text I am trying to put is too long and it goes over the visible area? Will try something like (text+"/n"+restOfText) tomorrow but I don't think it's going to work...

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Android :: Drawing Circle In MapView

Oct 29, 2010

Trying to draw a circle at a longitude/latitude position. The circle below doesn't show up, does anybody know why?

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Android :: OpenGL Circle Drawing

Mar 16, 2010

I have to recommend just getting a book on the subject.I learned most everything off of examples and documents on the web.After several months, I finally picked up the blue book and everything I had scoured to find is clearly demonstrated in it.Look for the red book and the blue "superbible."They cover everything you need.There are also books specific to ES.Make sure to get a good 1.1 one and not a 2.0-only one.

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Android :: Return Value Of Get Drawing Cache

Jun 17, 2009

From the JavaDoc, it said it returns 'a bitmap representing this view or null if cache is disabled'. My question is what if the View is longer than the phone screen (you need to scroll vertically), what does the bitmap return? * only the visible portion of the view * everything the view has (both visible + invisible part)

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