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  • Contact-app like scrollinglist on android

    - by Alxandr
    I'm writing my first android app (I'm a noob at android, but decent at java). The first screen of the app consists of a huge list (about 1.5K items) of Manga-objects. The code I use is as following: main.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout android:id="@+id/LinearLayout01" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"> <ListView android:layout_height="fill_parent" android:layout_width="fill_parent" android:id="@+id/android:list"></ListView> <TextView android:layout_height="fill_parent" android:layout_width="fill_parent" android:text="@string/list_no_items" android:id="@+id/android:empty"></TextView> </LinearLayout> row.xml: <LinearLayout android:id="@+id/LinearLayout01" android:layout_width="fill_parent" android:layout_height="?android:attr/listPreferredItemHeight" android:padding="6dip" xmlns:android="http://schemas.android.com/apk/res/android"> <ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="6dip" android:src="@drawable/icon" /> <LinearLayout android:orientation="vertical" android:layout_width="0dip" android:layout_weight="1" android:layout_height="fill_parent"> <TextView android:id="@+id/toptext" android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="1" android:gravity="center_vertical" /> <TextView android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="1" android:id="@+id/bottomtext" android:singleLine="true" android:ellipsize="marquee" /> </LinearLayout> </LinearLayout> Then I have a adapter which basically takes a Manga-object and puts it's name in the rows toptext, and it's latest updated date in the bottomtext. However, (this might be caused by the virtualization of the unit though), the result is really slow. Scrolling the list takes forever and you can only scroll small peaces of the time. How can I make the list work like the one in the contacts-app? So that when you start scrolling a handle pops out at the right side of the screen, and when you drag it letters shows up as of how far you've scrolled (the list is sorted alphabetically), and also, is there a way I could improve the performance of the list?

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  • Scrolling issues with GridView in Android

    - by Jared Thigpen
    I am having weird scrolling issues in my pretty simple GridView. Each item in the Grid is simply and ImageView and a TextView. The activity itself is simply an application selector. It looks like a rough version of the basic App Tray in Android. The issue is that after spending some times scrolling through my view, it will inevitably allow me to continue scrolling past the top row of icons, to a blank screen, and the scroll bar will disappear, leaving me stuck. It doesn't happen every time I go to the top of the view, only sometimes, and usually only after some excessive scrolling. If I happen to notice the problem and catch it before the top row disappears off the bottom of the screen, I can usually scroll back through the view and spot some icons missing. There are empty spaces in the grid, and I can only assume that those icons have been moved to some bizarre position, which is allowing the view to scroll past the top. This is my first Android app beyond a basic Hello World, so it's likely that I've just screwed up something in my layout files. I also realize that this is probably a pretty confusing description, so I'm hoping someone has experienced this and my search abilities simply were unable to find it. I can post my layout files or other code if someone thinks that's useful. Oh, and the program is built against 1.5, but is running on 2.2 (whatever state of 2.2 that was that snuck out last week) on my phone. I don't have enough apps to test this on an emulator, but could probably set something up if someone felt it necessary. Thanks in advance for any help on the issue.

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  • UIViewerTableViewController.m:15: error: expected identifier before '*' token

    - by Aaron Levin
    I am new to objective-c programming. I come from a C# background. I am having problems with the following code I am writing for a proof of concept for an iPhone App: I am getting a number of compile errors but I think they are all due to the first error (could be wrong) - error: expected identifier before '*' token (@synthesize *lists; in the .m file) I'm not sure why my code is showing up the way it is in the view below the editor..hmm any way, any help would be appreciated. .m file // // Created by Aaron Levin on 4/19/10. // Copyright 2010 RonStan. All rights reserved. // import "UIViewerTableViewController.h" @implementation UIViewerTableViewController @synthesize *lists; @synthesize *icon; (void)dealloc { [Lists release]; [super dealloc]; } pragma mark Table View Methods //Customize number of rows in table view (NSInteger)tableView:(UITableView *) tableView numberOfRowsInSection: (NSInteger) section{ return self.Lists.Count; } //Customize the appearence of table view cells (UITableViewCell *) tableView(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *) indexPath{ static NSString *CellIdentifier = @"Cell"; UITableView *Cell = [tablevView dequeueReusableCellWithIdentifier:CellIdentifier]; if(cell == nil){ cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } cell.textLabel.text = [[self.Lists objectAtIndex:indexPath.row] retain]; cell.imageView = self.Icon; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; } @end .h file // // UIMyCardsTableViewController.h // MCS ProtoType v0.1 // // Created by Aaron Levin on 4/19/10. // Copyright 2010 RonStan. All rights reserved. // import @interface UIViewerTableViewController : UITableViewController { NSArray *lists; UIImage *icon; } @property (nonatomic,retain) NSArray *lists; @property (nonatomic,retain) UIImage *icon; @end

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  • SlidingDrawer overlap the listview

    - by vycon
    protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); cursor = fetchAllDiary(); this.setListAdapter(new DiaryListAdapter(this, cursor, true)); View drawer_view = mInflater.inflate(R.layout.drawer, null); LayoutParams params = new LayoutParams(200,150); getWindow().addContentView(drawer_view, params); } <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/frameLayout"> <SlidingDrawer android:id="@+id/diary_list_row_drawer" android:layout_height="wrap_content" android:handle="@+id/handle" android:content="@+id/content" android:orientation="vertical" android:layout_width="fill_parent" android:topOffset="50px"> <ImageView android:id="@id/handle" android:layout_width="fill_parent" android:layout_height="wrap_content" android:src="@drawable/bottom_switcher_collapsed" /> <LinearLayout android:id="@id/content" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@color/backround_color_lightblue1"> <Button android:text="Button01" android:id="@+id/Button01" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <Button android:text="Button02" android:id="@+id/Button02" android:layout_width="wrap_content" android:layout_height="wrap_content"/> </LinearLayout> </SlidingDrawer> </LinearLayout>

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  • android: start an intent into a framelayout

    - by user329692
    Hi guys! I have a main activity with this layout file: <?xml version="1.0" encoding="utf-8"?> <Button android:id="@+id/btn_reload" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Reload" /> <LinearLayout android:id="@+id/LinearLayout01" android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center_vertical|center_horizontal" > <ImageView android:id="@+id/ImageView01" android:src="@drawable/logo_head" android:scaleType="fitStart" android:adjustViewBounds="true" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout> </LinearLayout> <FrameLayout android:id="@+id/center" android:layout_height="fill_parent" android:layout_width="fill_parent" android:layout_weight="1"> </FrameLayout> <LinearLayout android:layout_height="fill_parent" android:layout_width="fill_parent" android:gravity="center" android:id="@+id/footer" android:layout_weight="2.6" android:background="#ffffff"> </LinearLayout> Basically it is composed by an header, a central part (android:id="@+id/center") and a footer. The footer contains four buttons, created dinamically. At the end it looks like a TabWidget with the tabs at the botton. Each footer's buttons holds an Intent/activity. The question is: How can i start my activity into the FrameLayout? For instance TabHost does this: ..... spec = tabHost .newTabSpec(tabTitle.toLowerCase()) .setIndicator(tabTitle,res.getDrawable(R.drawable.tab_spec)) .setContent(intent); tabHost.addTab(spec); ....

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  • Problem with TextViews running into each other in RelativeLayout

    - by Janusz
    I have a problem with two Textviews on the same height in a RelativeLayout running into each other. I use the following Layout. <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageView android:id="@+id/logo" android:layout_width="wrap_content" android:layout_height="wrap_content" android:adjustViewBounds="true" android:scaleType="centerInside" android:src="@drawable/icon" /> <TextView android:id="@+id/name" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="NameNameNameNameNameNameName" android:layout_alignParentTop="true" android:layout_toRightOf="@id/logo" android:gravity="clip_horizontal" android:lines="1" /> <TextView android:id="@+id/information" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="information" android:layout_alignParentRight="true" android:layout_alignParentTop="true" /> <TextView android:id="@+id/nrcoupons" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Number" android:layout_alignRight="@id/information" android:layout_alignBottom="@id/logo" /> <TextView android:id="@+id/subcategory" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Subcategory" android:layout_alignLeft="@id/name" android:layout_alignBottom="@id/logo" /> </RelativeLayout> This gives me this view: Everything is as I need it except the two textviews name and information are displayed on the same screen space with the one on top of the other. How can I avoid this?

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  • Android crashes when calling ImageButton

    - by Joël
    I have a crash (Application Stopped Unexpectedly) problem with this main.xml is a "HelloWorld" type project (while testing and learning features I need for my app) : I isolated the ImageButton as an issue, but I can't isolate any of the parameters... <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <ImageButton android:id="@+id/picture" android:layout_width="240dip" android:layout_height="180dip" android:layout_gravity="center_horizontal" android:src="@drawable/icon" android:adjustViewBounds="true" android:cropToPadding="true" android:clickable="true" android:scaleType="fitCenter" /> </LinearLayout> icon.png exists in my resources... I can see the preview in the Layout tab, even though the image is not centered on the button, but I read that it was normal. The code below works fine (as a regular Button). I can also do the same as an ImageView. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <Button android:id="@+id/picture" android:layout_width="240dip" android:layout_height="180dip" android:layout_gravity="center_horizontal" /> </LinearLayout> I use Eclipse and the AVD, and all my learning is done on 2.1 (SDK level 7). I can't test the app on an actual device yet as I don't have it yet. Thanks in advance !

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  • Help with Android LinearLayout or RelativeLayout

    - by PeEll
    I need to create two views programmatically (because I need to access the ondraw of one of the views). For some reason, no matter what I do to add the views to the contentview, they don't show up vertically stacked, one below the other. I can do it just fine using the XML using a RelativeLayout and layout positioning, but with the XML I can't create a view object and overload the ondraw method. What am I doing wrong with the programmatic approach, and how do I solve this problem? LinearLayout mLinearLayout; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Create a LinearLayout in which to add the ImageView mLinearLayout = new LinearLayout(this); TextView tv = new TextView(this); tv.setBackgroundColor(0xff333333); tv.setText("Enter your member number:"); tv.setLayoutParams(new ViewGroup.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT)); DrawableView i = new DrawableView(this); i.layout(0,40,0,0); i.setLayoutParams(new Gallery.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); mLinearLayout.addView(tv); mLinearLayout.addView(i,300,300); setContentView(mLinearLayout); }

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  • Custom title with image

    - by Alex Volovoy
    Hi all, i'm creating custom title for activity by disabling standard one and managing everything myself. I wonder if it's possible to replace/theme standart title to my needs. I can customize size, background image, and text via themes by changing windowXYZStyle items. The only thing i couldn't find - how i can add image instead of text. I've tried requestWindowFeature(Window.FEATURE_CUSTOM_TITLE) and assign custom layout - but it doesn't seems to work. EDIT : Here is a report of testing suggestions, code is below - result - image view is not showing up. Activity public class SettingsActivity extends PreferenceActivity { @Override protected void onCreate(Bundle savedInstanceState) { requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title); super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.settings); } } XML : <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/title" android:layout_width="fill_parent" android:layout_height="26dip" android:paddingLeft="5dip" android:background="@drawable/titlebar_bg" android:layout_gravity="left|center" > <ImageView android:id="@+id/logo" android:src="@drawable/title_logo" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout>

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  • Adding a UITapGestureRecognizer to a view then removing seems to short circuit button events

    - by heymon
    In the code below I am popping up a ImageView as the result of a users touchUpInside on a simple info button. There are other buttons on the view. To dismiss the info I added a UITapGestureRecognizer to my controllers view, and hide the view when the tap is detected. If I don't remove the tapGestureRecognizer, the action is called every time some. Even when I do remove the gesture action, no bottons receive touchUpInside events once this gesture recognizer is added. Why? Code from my MainViewController (void) dismissInfo: (UITapGestureRecognizer *)gesture { [kInfoView setHidden: YES]; [gesture removeTarget: self action: NULL]; } (IBAction) displayInfo { CGRect startFrame = CGRectMake(725, 25, 0, 0), origFrame; CGFloat yCenter = [kInfoView frame].size.height/2 + 200; CGPoint startCenter = CGPointMake(724, 25), displayCenter = CGPointMake(384, yCenter); UITapGestureRecognizer *g = [[UITapGestureRecognizer alloc] initWithTarget: self action: @selector(dismissInfo:)]; [self.view addGestureRecognizer: g]; origFrame = [kInfoView frame]; [kInfoView setCenter: startCenter]; [kInfoView setHidden: NO]; [kInfoView setFrame: startFrame]; [UIView beginAnimations: @"info" context: nil]; [UIView setAnimationDuration: .5]; [UIView setAnimationDelegate: self]; [kInfoView setFrame: origFrame]; [kInfoView setCenter: displayCenter]; [UIView commitAnimations]; }

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  • Conversion to Dalvik format failed error for Android Grid View

    - by Bub
    Hey Everyone, I'm on the android bandwagon and started going through google's "view" tutorials. Here is what I'm using: Eclipse Galileo Android SDK 2.1 Java SDK 6.Something I think. Everything was hunky-dory until I hit the grid view tutorial. I got errors all over the place when I started editing the "HelloGridview.java" File. I thought I'd fix it by following through with the next part of the tutorial, creating the ImageAdapter class, but it created more. I realized alot of my issues could be resolved by importing widgets which were not mentioned in the tutorial (i.e. android.widget.GridView, .ImageView, .BaseAdapter etc.) However, after all the reconciliation suggested by eclipse the files were finally showing no errors. I go to run it as an android app and bam, "Your project contains error(s)." window comes up. There are no errors showing on the files I've created. I cleared the error log and shut down eclipse and started again the error log now reads: Conversion to Dalvik format failed with error 1. I'm a little lost at this point. I think I've included the required information. If you need to know more let me know. Any help is appreciated.

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  • How to ellipsize center-aligned textview beside a right-aligned button when screen width is small

    - by simplymoody
    ------------------------------------ | LONG_TITL... |button| | |------------------------------------| | | I have an app header which consists of the app title and a button. The button should be fixed on the right side but I want the title to be in the middle and ellipsize when the screen is too small. Problem is the title just won't ellipsize even though the button is nearly beside it. Here's what I have so far: <RelativeLayout android:id="@+id/headr" android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center"> <ImageView android:id="@+id/bar_orange" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:minHeight="40dp" android:scaleType="centerCrop" android:src="@drawable/bar_orange"/> <TextView android:id="@+id/Title" android:layout_marginLeft="20dp" android:layout_marginRight="20dp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:gravity="center" android:text="@string/bcd" android:textColor="#FFFFFF" android:ellipsize="marquee" android:singleLine="true" android:textSize="18sp" android:textStyle="bold"/> <Button android:padding="5dp" android:id="@+id/home" android:textColor="#ffffff" android:layout_marginRight="10dp" android:layout_marginLeft="10dp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:singleLine="true" android:background="@drawable/button_home" android:text="@string/home"/> </RelativeLayout> Is there a way to do this with just RelativeLayout?

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  • How do I properly handle rotation of a UIScrollView containing UIImageViews?

    - by bpapa
    I'm developing an image viewer, much like the Photos App. It's a UIScrollView with paging enabled with images loaded from the internet, so I've adapted portions of the LazyTableImages sample. The Scroll View and each ImageView inside of it have all of their autoresize mask flags set. When I first observed how resizes were happening during rotation, it looked good, but once I started trying to interact with the scroll view, I realized that I also had to programmatically change the size of the contentView. I did that by implementing didRotateFromInterfaceOrientation: in my view controller. [self.scrollView setContentSize:CGSizeMake(numberOfImages * portraitWidth, [scrollView bounds].size.height)]; With interaction behaving properly, I then discovered that, if I was viewing the second photo and rotated, portions of both the 1st and 2nd photos would be shown on the screen. I needed to change the contentOffset as well. I've tried to fix this two ways - both by using the scrollRectToVisible:animated: method of UIScrollView, as well as trying to set the contentOffset property directly. And I've experimented by putting this code in implementations of both the "one-step" and "two-step" responses to changes in Orientation. For example: -(void)didAnimateFirstHalfOfRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation { [self.scrollView setContentOffset:CGPointMake(currentlyViewedPhotoIndex * largeImageHeight,0) animated:YES]; In all cases though, it just looks janky as hell. Either I clearly see the scroll happen, or it just jumps. Uuuuuuuuuuugly! Is there a way to do this so that it behaves exactly like the Photos app does?

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  • add animation to layer's path in cocos2d

    - by greg rock
    so i'm on cocos2d but before I was on a normal ios app and I had this code : -(void)viewDidLoad{ rootLayer = [[CALayer alloc] init]; [imageView.layer addSublayer:rootLayer]; roundPath = CGPathCreateMutable(); CGPathMoveToPoint(roundPath, nil, center.x , center.y - 35); CGPathAddArcToPoint(roundPath, nil, center.x + 35, center.y - 35, center.x + 35, center.y + 35, 35); CGPathAddArcToPoint(roundPath, nil, center.x + 35, center.y + 35, center.x - 35, center.y + 35, 35); CGPathAddArcToPoint(roundPath, nil, center.x - 35, center.y + 35, center.x - 35, center.y, 35); CGPathAddArcToPoint(roundPath, nil, center.x - 35, center.y - 35, center.x, center.y - 35, 35); CGPathCloseSubpath(roundPath); //Box Path boxPath = CGPathCreateMutable(); CGPathMoveToPoint(boxPath, nil, center.x , center.y - 35); CGPathAddArcToPoint(boxPath, nil, center.x + 35, center.y - 35, center.x + 35, center.y + 35, 4.7); CGPathAddArcToPoint(boxPath, nil, center.x + 35, center.y + 35, center.x - 35, center.y + 35, 4.7); CGPathAddArcToPoint(boxPath, nil, center.x - 35, center.y + 35, center.x - 35, center.y, 4.7); CGPathAddArcToPoint(boxPath, nil, center.x - 35, center.y - 35, center.x, center.y - 35, 4.7); CGPathCloseSubpath(boxPath); shapeLayer = [CAShapeLayer layer]; shapeLayer.path = boxPath; [rootLayer addSublayer:shapeLayer]; } -(void)startAnimation { CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"path"]; animation.duration = 2.0; animation.repeatCount = HUGE_VALF; animation.autoreverses = YES; animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]; animation.fromValue = (id)boxPath; animation.toValue = (id)roundPath; [shapeLayer addAnimation:animation forKey:@"animatePath"]; } But I didn't found a way to do the animation fromboxpath toroundpath on cocos2d, I don't know what CCAction use . Can anybody help me ? sorry for my english I'm french :/

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  • Circular Dependencies in XML file

    - by user3006081
    my android xml layout file keeps on Exception raised during rendering: Circular dependencies cannot exist in RelativeLayout Exception details are logged in Window Show View Error Log I cant figure out why? here is my code <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.amandhapola.ribbit.LoginActivity" android:background="@drawable/background_fill" > <ImageView android:id="@+id/backgroundImage" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:scaleType="fitStart" android:src="@drawable/background" android:contentDescription="@string/content_desc_background"/> <TextView android:id="@+id/title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_above="@+id/subtitle" android:layout_centerHorizontal="true" android:textSize="60sp" android:layout_marginTop="32dp" android:textColor="@android:color/white" android:textStyle="bold" android:text="@string/app_name" /> <TextView android:id="@+id/subtitle" android:layout_centerHorizontal="true" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/title" android:layout_above="@+id/usernameField" android:textSize="13sp" android:textColor="@android:color/white" android:textStyle="bold" android:text="@string/subtitle"/> <EditText android:id="@+id/usernameField" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_above="@+id/passwordField" android:layout_below="@+id/subtitle" android:layout_alignParentLeft="true" android:ems="10" android:hint="@string/username_hint" /> <EditText android:id="@+id/passwordField" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@+id/usernameField" android:layout_above="@+id/loginButton" android:layout_alignParentLeft="true" android:layout_marginBottom="43dp" android:ems="10" android:hint="@string/password_hint" android:inputType="textPassword" /> <Button android:id="@+id/loginButton" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@+id/passwordField" android:layout_above="@+id/signUpText" android:layout_alignParentLeft="true" android:text="@string/login_button_label" /> <TextView android:id="@+id/signUpText" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="12dp" android:layout_centerHorizontal="true" android:textColor="@android:color/white" android:layout_below="@+id/loginButton" android:text="@string/sign_up_text" /> </RelativeLayout>

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  • Newbie question: How do you layout an icon, 2 text lines and a button?

    - by Keith Barrows
    I am trying to extend a sample I found at http://developer.android.com/resources/articles/layout-tricks-efficiency.html. I am a brand new MonoDroid developer, just installed it yesterday, and trying to jump right into UI design and so far it is not clicking for me completely. I have this main.xml: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="?android:attr/listPreferredItemHeight" android:padding="6dip"> <ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_alignParentTop="true" android:layout_alignParentBottom="true" android:layout_marginRight="6dip" android:src="@drawable/icon" /> <TextView android:id="@+id/secondLine" android:layout_width="200dip" android:layout_height="26dip" android:layout_toRightOf="@id/icon" android:layout_alignParentBottom="true" android:layout_alignParentRight="true" android:singleLine="true" android:ellipsize="marquee" android:text="Second line which is a long line of text and needs to scroll" /> <TextView android:id="@+id/firstLine" android:layout_width="200dip" android:layout_height="wrap_content" android:layout_toRightOf="@id/icon" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:layout_above="@id/secondLine" android:layout_alignWithParentIfMissing="true" android:singleLine="true" android:ellipsize="marquee" android:gravity="center_vertical" android:text="First line" /> <Button android:id="@+id/logonButton" android:layout_width="50dip" android:layout_height="wrap_content" android:layout_toRightOf="@id/secondLine" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:gravity="center_vertical" android:text="Login" /> /> </RelativeLayout> What I am trying to do is have an icon on the left, 2 lines of text stacked in the middle and a button on the right. When I run this in my emulator I am seeing: The second line is not scrolling. The button does not show up. Is there by any chance a simple WYSIWYG editor for layout? Or is there an app to give me a quick view of my layout XML? Something like FireBug in FireFox would be fine. Barring the slim chance there are UI helpers for Droid, what am I doing wrong? :)

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  • focusable row inside table android

    - by Nikitas
    Hello guys, i have in xml a ScrollView which includes one TableLayout. My question is if it's possible to have a focusable row every time i click on it. Here is my xml code: <ScrollView android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content"> <TableLayout android:id="@+id/table2" android:layout_width="wrap_content" android:layout_height="wrap_content" > <TableRow> <RelativeLayout android:id="@+id/rowlayout" android:layout_width="wrap_content" android:layout_height="fill_parent" android:background="@drawable/rowbackground2" > <ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/icon_code_contact" android:padding="7dip" android:layout_alignParentLeft="true" /> <TextView android:id="@+id/contacts" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textStyle="bold" android:text="Contacts" android:textColor="#000" android:textSize="18dip" android:layout_toRightOf="@id/icon" android:paddingTop="10dip" /> </RelativeLayout> </TableRow> <TableRow> <Button android:id="@+id/contacts_button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/contact_button" /> </TableRow> I have already tried the "focusable="true"" and "focusableInTouchMode="true"" but nothing happened.. thanks in advance

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  • Increase performance on iphone at pdf rendering

    - by burki
    Hi! I have a UITableView, and in every cell there's displayed a UIImage created from a pdf. But now the performance is very bad. Here's my code I use to generate the UIImage from the PDF. Creating CGPDFDocumentRef and UIImageView (in cellForRowAtIndexPath method): ... CFURLRef pdfURL = CFBundleCopyResourceURL(CFBundleGetMainBundle(), (CFStringRef)formula.icon, NULL, NULL); CGPDFDocumentRef documentRef = CGPDFDocumentCreateWithURL((CFURLRef)pdfURL); CFRelease(pdfURL); UIImageView *imageView = [[UIImageView alloc] initWithImage:[self imageFromPDFWithDocumentRef:documentRef]]; ... Generate UIImage: - (UIImage *)imageFromPDFWithDocumentRef:(CGPDFDocumentRef)documentRef { CGPDFPageRef pageRef = CGPDFDocumentGetPage(documentRef, 1); CGRect pageRect = CGPDFPageGetBoxRect(pageRef, kCGPDFCropBox); UIGraphicsBeginImageContext(pageRect.size); CGContextRef context = UIGraphicsGetCurrentContext(); CGContextTranslateCTM(context, CGRectGetMinX(pageRect),CGRectGetMaxY(pageRect)); CGContextScaleCTM(context, 1, -1); CGContextTranslateCTM(context, -(pageRect.origin.x), -(pageRect.origin.y)); CGContextDrawPDFPage(context, pageRef); UIImage *finalImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return finalImage; } What can I do to increas the speed and keep the memory low?

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  • Android - Widget to Play Video (onclick trouble)

    - by Josh
    I am trying to make a simple widget that will play a movie from the sdcard when clicked on. This seems simple enough, and by following tutorials I've come up with the following code, but it seems the onclick is never setup. Manifest: <receiver android:name="WidgetProvider" android:label="DVD Cover"> <intent-filter> <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/> </intent-filter> <meta-data android:name="android.appwidget.provider" android:resource="@xml/appwidget_info_2x4"/> </receiver> Layout (widget.xml): <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/holder" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#ff777777" > <ImageView android:id="@+id/cover" android:layout_width="wrap_content" android:layout_height="fill_parent" android:textColor="#000000" /> </LinearLayout> appwidget.xml: <?xml version="1.0" encoding="utf-8"?> <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android" android:minWidth="200dip" android:minHeight="300dip" android:updatePeriodMillis="180000" android:initialLayout="@layout/widget" > </appwidget-provider> WidgetProvider.java: public class WidgetProvider extends AppWidgetProvider { public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { String movieurl = Environment.getExternalStorageDirectory().getPath() + "/Movie.mp4"; Intent notificationIntent = new Intent(Intent.ACTION_VIEW); notificationIntent.setDataAndType(Uri.parse(movieurl), "video/*"); PendingIntent contentIntent = PendingIntent.getActivity(context, 0, notificationIntent,0); // Get the layout for the App Widget and attach an on-click listener // to the button RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget); views.setOnClickPendingIntent(R.id.holder, contentIntent); // Tell the AppWidgetManager to perform an update on the current app widget appWidgetManager.updateAppWidget(appWidgetIds, views); } } Any help would be greatly appreciated. Thanks, Josh

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  • Forwarding first responder to UIScrollView unsuccessful

    - by Winston
    Hello, I am trying to create an image cropping bpx whereby the underlying image can be zoomed an scrolled while the cropping "maskview" layer stays the same and the corners can be dragged in any direction. To achieve this, the ImageView is added to a UIScrollView, and this is added to the SelectionViewController.view . I then add the cropping "maskview" layer to the SelectionViewController.view. I did this instead of adding to the scrollview so that the cropping maskview won't be expanded when the underlying image expands. @interface SelectionViewController : UIViewController <UIScrollViewDelegate> { UIImageView *photoview; // Added to self.scrollview MaskedView *maskedview; // Added to self.view UIScrollView *scrollview; // Added to self.view } The maskview has first responder status and responds accordingly. However, the only event I am interested in the maskview is if any of the corners are dragged (this works fine). The problem I want to try to solve is two-fold: If it is a pinch or zoom gesture, I am trying to forward the responder to the UIScrollview using: [self.nextResponder touchesMoved:touches withEvent:event]; The scrollview does not seem to respond. I have confirmed that the self.nextResponder after the maskedview is the SelectionViewController's view itself. From there, it doesn't seem like the UIScrollview responds. It does respond fine if I remove the cropping maskedview. If I zoom in on the underlying image and the cropping maskview rectangle is still the same, I want to now crop the actual zoomed image. Let's say for the upper left hand corner of the crop box, how can I find what the coordinates translates to in the underlying UIImageView now that the image has been zoomed? Any insight into either of these questions would be appreciated. Thank you, Winston

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  • Signal "0" error while scrolling a tableview with images

    - by Amitkumar
    Hi, I have a problem while scrolling images on tableview. I am getting a Signal "0" error. I think it is due to some memory issues but I am not able to find out the exact error. The code is as follows, - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [travelSummeryPhotosTable dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]autorelease]; } //Photo ImageView UIImageView *photoTag = [[UIImageView alloc] initWithFrame:CGRectMake(5.0, 5.0, 85.0, 85.0)]; NSString *rowPath =[[imagePathsDictionary valueForKey:[summaryTableViewDataArray objectAtIndex:indexPath.section]] objectAtIndex:indexPath.row]; photoTag.image = [UIImage imageWithContentsOfFile:rowPath]; [cell.contentView addSubview:photoTag]; [photoTag release]; // Image Caption UILabel *labelImageCaption = [[UILabel alloc] initWithFrame:CGRectMake(110.0, 15.0, 190.0, 50.0)]; labelImageCaption.textAlignment = UITextAlignmentLeft; NSString *imageCaptionText =[ [imageCaptionsDictionary valueForKey:[summaryTableViewDataArray objectAtIndex:indexPath.section]] objectAtIndex:indexPath.row]; labelImageCaption.text = imageCaptionText; [cell.contentView addSubview:labelImageCaption]; [labelImageCaption release]; return cell; } Thanks in advance.

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  • xcode may not respond to warning

    - by Frames84
    Hi all, Can't seem to get rid of a warning. The warning is: 'UIImage' may not respond to '-scaleToSize' above the @implmentation MyViewController I have this @implementation: @implementation UIImage (scale) -(UIImage*)scaleToSize:(CGSize)size { UIGraphicsBeginImageContext(size); [self drawInRect:CGRectMake(0, 0, size.width, size.height)]; UIImage* scaledImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return scaledImage; } @end Then I have MyViewController implementation @implementation TodayNewsTableViewController @synthesize dataList; ...... - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *MainNewsCellIdentifier = @"MainNewsCellIdentifier"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier: MainNewsCellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier: MainNewsCellIdentifier] autorelease]; } NSUInteger row = [indexPath row]; NSDictionary *stream = (NSDictionary *) [dataList objectAtIndex:row]; NSString *title = [stream valueForKey:@"title"]; if( ! [title isKindOfClass:[NSString class]] ) { cell.textLabel.text = @""; } else { cell.textLabel.text = title; } cell.textLabel.numberOfLines = 2; cell.textLabel.font =[UIFont systemFontOfSize:10]; cell.detailTextLabel.numberOfLines = 1; cell.detailTextLabel.font= [UIFont systemFontOfSize:8]; cell.detailTextLabel.text = [stream valueForKey:@"created"]; NSString *i = [NSString stringWithFormat:@"http://www.mywebsite.co.uk/images/%@", [stream valueForKey:@"image"]]; NSData *imageURL = [[NSData alloc] initWithContentsOfURL:[NSURL URLWithString:i]]; UIImage *newsImage = [[UIImage alloc] initWithData:imageURL] ; UIImage *scaledImage = [newsImage scaleToSize:CGSizeMake(50.0f, 50.0f)]; // warning is appearing here. cell.imageView.image = scaledImage; [imageURL release]; [newsImage release]; return cell; } Thanks for your time in advance. Frames

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  • ScrollView content async downloading problem

    - by Newbee
    Hi! I have UIScrollView with lots of UIImageView inside. In the loadView method I assign some temporary image for each of subview UIImageView images and starts several threads to async download images from internet. Each thread downloads and assign images as follows: NSData *data = [NSData dataWithContentsOfURL:URL]; UIImage *img = [UIImage imageWithData:data]; img_view.image = img; Here is the problem - I expects picture will changed after each image downloaded by I can see only temporary images until all images will downloads. UIScrollView still interact while images downloads - I can scroll temporary images inside it and see scrollers and nothing blocks run loop, but downloaded images doesn't updates.. What I tried to do: Call sleep() in the download thread -- not helps. Call setNeedsDisplay for each ImageView inside ScrollView and for ScrollView -- not helps. What's wrong ? Thanks. Update. I tried some experiments with number of threads and number of images to download. Now I'm sure -- images redraws only when thread finished. For example - if I load 100 images with one thread -- picture updates one time after all images downloads. If I increase number of threads to 10 -- picture updates 10 times -- 10 images appears per update. One more update. I fixed problem by staring new thread from the downloading threads each time one image downloaded and exit current thread (instead of download several images in one thread in the cycle and exit thread only when all downloaded). Obviously it's not a good solution and there must be right approach.

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  • how to handle out of memory error?

    - by UMMA
    dear friends, i am using following code to display bitmap in my imageview. when i try to load image of size for example bigger than 1.5MB it give me error any one suggest me solution? try { URL aURL = new URL(myRemoteImages[val]); URLConnection conn = aURL.openConnection(); conn.connect(); InputStream is = null; try { is= conn.getInputStream(); }catch(IOException e) { return 0; } int a= conn.getConnectTimeout(); BufferedInputStream bis = new BufferedInputStream(is); Bitmap bm; try { bm = BitmapFactory.decodeStream(bis); }catch(Exception ex) { bis.close(); is.close(); return 0; } bis.close(); is.close(); img.setImageBitmap(bm); } catch (IOException e) { return 0; } return 1; Log cat 06-14 12:03:11.701: ERROR/AndroidRuntime(443): Uncaught handler: thread main exiting due to uncaught exception 06-14 12:03:11.861: ERROR/AndroidRuntime(443): java.lang.OutOfMemoryError: bitmap size exceeds VM budget 06-14 12:03:11.861: ERROR/AndroidRuntime(443): at android.graphics.BitmapFactory.nativeDecodeStream(Native Method)

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  • Does Android AsyncTaskQueue or similar exist?

    - by Ben L.
    I read somewhere (and have observed) that starting threads is slow. I always assumed that AsyncTask created and reused a single thread because it required being started inside the UI thread. The following (anonymized) code is called from a ListAdapter's getView method to load images asynchronously. It works well until the user moves the list quickly, and then it becomes "janky". final File imageFile = new File(getCacheDir().getPath() + "/img/" + p.image); image.setVisibility(View.GONE); view.findViewById(R.id.imageLoading).setVisibility(View.VISIBLE); (new AsyncTask<Void, Void, Bitmap>() { @Override protected Bitmap doInBackground(Void... params) { try { Bitmap image; if (!imageFile.exists() || imageFile.length() == 0) { image = BitmapFactory.decodeStream(new URL( "http://example.com/images/" + p.image).openStream()); image.compress(Bitmap.CompressFormat.JPEG, 85, new FileOutputStream(imageFile)); image.recycle(); } image = BitmapFactory.decodeFile(imageFile.getPath(), bitmapOptions); return image; } catch (MalformedURLException ex) { // TODO Auto-generated catch block ex.printStackTrace(); return null; } catch (IOException ex) { // TODO Auto-generated catch block ex.printStackTrace(); return null; } } @Override protected void onPostExecute(Bitmap image) { if (view.getTag() != p) // The view was recycled. return; view.findViewById(R.id.imageLoading).setVisibility( View.GONE); view.findViewById(R.id.image) .setVisibility(View.VISIBLE); ((ImageView) view.findViewById(R.id.image)) .setImageBitmap(image); } }).execute(); I'm thinking that a queue-based method would work better, but I'm wondering if there is one or if I should attempt to create my own implementation.

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