Android :: Line-breaking Widget Layout For Android
Feb 14, 2009
I'm trying to create an activity that presents some data to the user. The data is such that it can be divided into 'words', each being a widget, and sequence of 'words' would form the data ('sentence'?), the ViewGroup widget containing the words. As space required for all 'words' in a 'sentence' would exceed the available horizontal space on the display, I would like to wrap these 'sentences' as you would a normal piece of text.
The following code:
code:...................
yields something like the left picture, but I would want a layout presenting the same widgets like in the right one.
Is there such a layout or combination of layouts and parameters, or do I have to implement my own ViewGroup for this?
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Aug 11, 2010
I want to create a multiple line editview to enter in some notes. I want the text aligned top left and 4 rows. How do I create that in layout xml file. Assume I am using a linearview.
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Nov 16, 2009
How can I layout 2 TextViews and a SeekBar on the same line in my layout xml file? I know But how can i specify TextView (one on the right, one on the left) to use only the width it needs to display the string in the TextView while SeekBar will use up the rest of the line? And i don't know the text vale of each TextView in the beginning and these TextView can change value in my application.
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Jul 13, 2009
I am struggling with applying a forced line break in the xml layout when using a simple list adapter. The data for the list adapter is being pulled from an sqlite db.
Here is the code:
CODE:.................
And here is the R.layout.item xml:
CODE:...................
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Sep 15, 2010
I have created a custom view by extending Relative Layout and it looks like this: The layout for the view:
<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android">
<RelativeLayout android:layout_width="wrap_content"
android:layout_height="wrap_content" android:gravity="center_horizontal">
<ImageView android:id="@+id/type_picture_preview"
android:layout_width="wrap_content" android:layout_height="wrap_content"
android:src="@drawable/type_picture_noimage" android:layout_alignParentRight="true"
android:paddingTop="15dip" android:paddingRight="15dip" />
<ImageView android:id="@+id/type_picture_delete"
android:src="@drawable/type_picture_delete"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true" />
</RelativeLayout>
</merge>
I am struggling to get two or more layouts on a single line.
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Jun 21, 2010
I want to have a dynamic table, with rows added over time as a result of user interaction, using a TableLayout inside a ScrollView. This works fine, but when I want to scroll to the end of the table using fullScroll(), it always leaves out the last line; that is, it scrolls so that the one before the last one is visible. The last line is visible when scrolling manually, and the scrollbar is correct too.I'm of course open to suggestions as to how to make a better layout out of this; but I'm specifically interested in understanding why fullScroll() behaves that way. Should I give it a different parameter, or use something else altogether? Or does it do that because the newly added line isn't yet visible somehow? (if so, how can I solve that?) Or did I miss some other obvious thing?The following code replicates the problem: TestActivity.java:
package com.example.android.tests;
import java.util.Random;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ScrollView;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
public class TestActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
((Button) findViewById(R.id.AddRow)).setOnClickListener(new View.OnClickListener() { public void onClick(View v) {
Random rnd = new Random();
TableRow nr = new TableRow(v.getContext());
for (int c=0; c<3; c++) {
TextView nv = new TextView(v.getContext());
nv.setText(Integer.toString(rnd.nextInt(20)-10));
nr.addView(nv);
}((TableLayout) findViewById(R.id.Table)).addView(nr);
// Scrolls to line before last - why?
((ScrollView) findViewById(R.id.TableScroller)).fullScroll(View.FOCUS_DOWN);
}main.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<Button
android:text="Add Row"
android:id="@+id/AddRow"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true" />
<ScrollView
android:id="@+id/TableScroller"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="@id/AddRow"
android:layout_alignParentTop="true" >
<TableLayout
android:id="@+id/Table"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:stretchColumns="0,1,2" />
</ScrollView>
</RelativeLayout>
Edit: for reference, I implemented Romain Guy's solution as follows:In TestActivity.java, replace:
// Scrolls to line before last - why?
((ScrollView) findViewById(R.id.TableScroller)).fullScroll(View.FOCUS_DOWN);
// Enqueue the scrolling to happen after the new row has been layout
((ScrollView) findViewById(R.id.TableScroller)).post(new Runnable() {
public void run() {
((ScrollView) findViewById(R.id.TableScroller)).fullScroll(View.FOCUS_DOWN);
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May 26, 2010
Whenever I add an EditText widget to the layout of my home screen widget (confusing how the term "widget" is being used twice in the Android lexicon :-/ ), I receive the "Problem Loading Widget" error box.
Here is the layout I'm attempting; if you remove the EditText, it works...
CODE:.....................
Now, the Google Search home screen widget has an EditText, so it's obviously legal to implement.
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Dec 7, 2009
Let's say that I have two layouts for a widget: Layout1 and Layout2. The default for the widget is Layout1, but I allow the user to choose which layout they want the widget to be. So if the user changes to Layout2, how do I programmatically change the layout to Layout2? There isn't a setContentView method for widgets like there is for Activities.
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Apr 28, 2010
I have this really annoying problem:In my widget, i would like to change the background by code. I noticed on the Google doc than I can easily change the background of an Imageview: remoteViews.setImageViewResource (R.id.my_iv, R.drawable.my_bg);Ok, too easy, i want to change now the Linear layout.. What I read about the remoteview id that I can change a Bitmap, Int, Bool, String, etc. but not a drawable. So i guess i cannot use:remoteViews. set Bitmap (R.id.my_ll, "setBackgroundDrawable",BitmapFactory.decodeResource(context.get Resources(), R.drawablemy_bg));I am totally disapointed and tried a last idea: views.setInt (R.id. my_ ll,"setBackground Resource" ,R.drawable.my_bg);But The logcat told me: android. widget. Remote Views $Action Exception: view: android. widget.LinearLayout can't use method with RemoteViews:setBackgroundResource(int)I am totally lost and I really don't know what to do.
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Jul 10, 2010
I have a text file in my res/raw directory. I want to read the file line by line, but FileReader and BufferedReader fail, because of Android's security restriction. How else can I do it?
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Sep 9, 2010
I am trying to make a widget to show on the home screen(s). My problem is lets say I set my icon to 30x30 when I load the widget on the screen the Icon is the correct size but the layout itself takes up a lot more space than what is actually needed. This means that I can't really place my widget next to other icons on the screen. Its like the bounding box is 3 times bigger than the content that fills it.
Here is my XML
[CODE]
I have tried wrap_content and other width/height settings but nothing seems to reduce the "Box" around my widget content. I clicked on my ATK widget and started to drag it around on my HTC Aria and it shows the bounding box around the widget and that one is the same size of the content inside same with all the other widgets on my screens.
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Nov 21, 2010
I can write a widget with a Button or ImageButton and assign a StateDrawable as background or sourcein order to make an effect when you click it. Besides that I have problems with the side of each button, my main problem is this: how do I change the StateDrawable if I want to change the image of the button from the AppWidgetProvider but still want to preserve the click effect like a StateDrawable. The power control widget in Android does things like that.
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Aug 6, 2010
I have defined custom views in the various layout .xml files. However, all the layouts are using the Linear Layout - put the content would vary.
I would like to create my own widget tag something like <com.mypackage.MyLinearLayout />, I would like to pass the layout as a param to the <com.mypackage.MyLinearLayout layout="@layout/simple.xml" />
How to define new attributes to the custom widgets ? Simply defining a getter/setter method would work or is there any other references.
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Sep 1, 2010
I like the layout of the toast widget very much, that means rounded corners, transparency, light grey border. Is there any way to see the layout parameters of such android standard widgets like the toast? I would like do define a TextView with the same layout parameters.
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Sep 7, 2010
How does one access a particular widget from within a custom layout while using Alert Builder? As you can see below, I'm setting the alert to a widget that is created in the code, but I'd MUCH rather use predefined layout.
Current code:...................
However, whenever I try to do it the second way I get a null pointer exception.
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Nov 5, 2010
I need to have a layout for my widget, but I don't know how to arrange my images on widget screen. I need to have 4 small Images on first row then 2 Images on 2nd row 1 Image on 3rd row and 1 Image on 4th row Could someone create the xml file ?
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Feb 18, 2010
i have a android application which is ready to release .so to release i have put the app in android market .the user can buy the app and can install the app into the phone.android market wont provide any apk file to the user .so normally we need not bother about re distribution of of the app to the unauthorized persons(who didn't buy the app). But what my problem is ,I heard that there is a jail breaking concept which can allow the hacker to get the apk file(installation file) from the device .(even though android market not giving the apk file to the user ).then he can distribute the apk file to all(to unauthorized persons ).how to avoid it.is there any thing to restrict the unauthorized person in using our app,even though he get the apk file . does android market provides the details of the users who has buy the app by paying?
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Nov 22, 2010
I'm able to successfully use a ScrollView inside the layout xml file for an application. However, when I tried using a ScrollView inside the layout xml file for a widget, I get a "Problem Loading Widget" error as soon as I drop the widget in the emulator. If I comment out the ScrollView, then the widget shows up in the emulator. I've pasted my layout xml file below. Any thoughts on how to get past this error would be much appreciated.
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:paddingBottom="3dip">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingLeft="6dip"
android:paddingRight="6dip"
android:paddingBottom="3dip">
<Button
android:id="@+id/ok_widget"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:text="@string/button_ok" />
</LinearLayout>
<ScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:fillViewport="true"
android:layout_marginBottom="50dip">
<LinearLayout
android:id="@+id/linear_layout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingBottom="3dip">
</LinearLayout>
</ScrollView>
<RelativeLayout
android:layout_marginTop="-50dip"
android:gravity="bottom"
android:layout_height="wrap_content"
android:layout_width="fill_parent">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingLeft="6dip"
android:paddingRight="6dip"
android:paddingBottom="3dip">
<Button
android:id="@+id/ok_widget"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:text="@string/button_ok" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
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Dec 9, 2009
Code...
I cannot find any information on how to change or hide the background image.
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Mar 28, 2010
I am generating an email in my app in which I include a long URL. The entire URL appears in the email but the clickable link portion of it consists of only the first 90 characters. Why does this happen and how can I prevent it?
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Oct 30, 2009
With a home screen widget I'm trying to layout. Basically, I'm trying to layout my widget so it matched a standard home screen application shortcut perfectly. Basically, at this point, I'm about ~2px off. Has anyone got this to match up just right? Should I be able to find this layout in the source somewhere? Here's my layout thus far:
[CODE]
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May 19, 2010
I have a layout which specifies sizes of widgets in relative dimension, for example:
CODE:..............
Immediately after onCreate, I want to know how much is the height of the ImageView. How to do that?
If I call getHeight() in onCreate, I get 0.
I have also tried imageView.postDelayed, it works on 2.1 emulator but fails on 1.5 emulator (I got 0, too).
Finally, I tried to create a Handler, and then I call handler.postDelayed with 10 ms delay. It works in both 2.1 and 1.5 emulator, but failed when I start the program in eclipse debugger (So, I conclude that using the delay doesn't guarantee that the getting of the height happens after the imageview is layout-ted.)
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Sep 20, 2010
I am in the process of trying to convert a desktop app to Android - and am struggling with some very basic stuff. When I specify a layout including a textview that holds a sizable amount of text wrap_content seems to arbitrarily break in the middle of a word - and I can not find any documentation indicating this can be controlled.
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Jun 2, 2010
Failing JUnit tests, not breaking my Ant script like I expect?
My continuous integration server runs an Ant script, which calls something like:
/tests/ant run-tests
My JUnit tests run, but with errors:
CODE:..............
The errors are OK, but my build script keeps going (eventually publishing my broken app to my testers - bad!). What I would expect is for the instrimentaiton to throw a build error, so my continuous integration server (TeamCity in this case) realises that something has gone wrong and reports a broken build. The "failonerror" is already set in the relevant macrodef, so I'm not sure what else I can do?
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Mar 30, 2010
Im using the SAXParser object do parse the actual XML.
This is normally done by passing a URL to the XMLReader.Parse method. Because my XML is coming from a POST request to a webservice, I am saving that result as a String and then employing StringReader / InputSource to feed this string back to the XMLReader.Parse method.
However, something strange is happening at the 2001st character of the XMLstring. The 'characters' method of the document handler is being called TWICE in between the startElement and endElement methods, effectively breaking my string (in this case a project title) into two pieces. Because I am instantiating objects in my characters method, I am getting two objects instead of one.
This line, about 2000 chars into the string fires 'characters' two times, breaking between "Lower" and "Level"
<title>SUMC-BOOKSTORE, LOWER LEVEL RENOVATIONS</title>
When I bypass the StringReader / InputSource workaround and feed a flat XML file to XMLReader.Parse, it works absolutely fine.
Something about StringReader and or InputSource is somehow screwing this up.
Here is my method that takes and XML string and parses is through the SAXParser.
CODE:.............
How to not have 'characters' firing off twice when I get to this point in the XML String.
Or, show me how to use a POST request and still pass off the URL to the Parse function.
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Sep 10, 2010
Recently I have been having issues with viewing my email messages in the Yahoo Mail App. When I open some messages all is see is line after line of code instead of the message text. It doesn't seem to matter what the source email is (gmail, hotmail, etc). Some emails are ok some are not. Anyone else have this problem? Any fixes?
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Jul 9, 2010
My signal bar seems ok yet i cant have conversations on my phone cuz it just keeps breaking up?
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Jun 22, 2013
I'm looking for a clock widget that looks good in both portrait and landscape modes. I'm tired of clock widgets that look like crap when the launcher is in landscape mode (or, if they look good in landscape, they look like crap in portrait), like HD Widgets or Beautiful Widgets.
I've only found one widget that changes its layout completely (read: not just stretches in one dimension and contracts in the other) to adjust itself to its new allocated area: Accuweather. See the attached images for what I mean. Notice the layout is completely different, and nothing overlaps/looks stretched/tiny. Both modes look great.
Now, my problem with Accuweather is that I'm looking for something darker, that looks better with the wallpaper. Do you know of some widget that does the same as Accuweather (different layouts for portrait/landscape) and allows customization?
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Aug 22, 2010
When using the built in speaker phone on my Samsung Moment, the person on the other end of the call complains that I am quite, muffled, and/or breaking up; I can hear them fine, and it doesn't matter how close or far the mic is from my mouth.
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Jan 5, 2010
Has anyone else noticed the person on the other end saying they are breaking up when using bluetooth in a car? My wife says all the time when I call her from the car I sound like I am breaking up and she has a hard time hearing me. Never had any issue with the old EnV, is this common for the Droid?
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