Android :: Layout Not Displayed Properly While Loading Listview Dynamically

Apr 22, 2010

I am trying to laod the listview dynamically. There are three textviews inside a listview. The text to be set in the textview is fetched from the server. All this is working fine. I am able to fetch the text and am able to display it inside the listview.

The only problem is the position of the textview. The xml layout file is as under:

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

If I look at this xml layout in the eclipse layout tab then it is displayed properly. Problem occurs only when the text is fetched dynamically.

Android :: Layout not displayed properly while loading Listview dynamically


Android :: Layout Not Displayed Properly While Dynamically Loading A Listview In Android

Apr 22, 2010

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

This is the layout that I am inflating in the Adapter. Everything is displayed, but only the second textview which should be displayed at the bottom is getting displayed at the top. Can someone let me know the problem with this?

I I view this in the layout tab in Eclipse then it displays properly. The problem occurs only when the text is fetched dynamically.

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Android :: Dynamically Loading ListView

Sep 28, 2010

I want to dynamically load a ListView, for example, load them during the scrolling so its not loading all 100 posts I have. How can I achieve this?

I have looked at similiar solutions here at SO, but since I not got it to work, I asked this question.

My code:.............

I have in the same .java file, functions to download the info from the web and loop through 100 items, like this:

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

And then it add a new order correctly and so on. But now!(?) I want to have so when the first item is loaded, it should appear and when scrolling it loads gradually.

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Android :: Strange ListView Loading / Default Values Displayed

Jun 24, 2009

I have a listview that is populated by a couple threads that pull in data from the network. Before that data comes in, there are some default values displayed. When the screen loads, there are 6 items displayed, each with the default data. The 1st (index 0) loads and is updated on the screen, and then number 6 (index 5) is updated with that same info. Then, item 2 (index 1) loads, and then item 5 (index 4) mirrors that data. Then item 3 loads, then item 4 reloads with the correct data, then then item 5 with the correct data, then item 6. Why are items 5 and 6 briefly showing the data from other elements in the list? I can't figure out what in the world could be causing this.

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Android : Layout - Change The Text Color Of The Textview Inside The Listview Dynamically

Oct 17, 2010

Can I modify android.R.layout.simple_list_item_1? For eg., I want to change the text color of the textview inside the listview dynamically. For this, I need to get to the textview and change its color.. How can I do that?

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Android :: Widget Not Displayed In Android 2.0 - Initial Layout Displayed Only

Nov 1, 2009

Our application displays widgets that update every minute through Alarm. It works fine under 1.5 and 1.6 but since 2.0, widget is not displayed at all. Only initial layout is displayed.

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Android :: How To Dynamically Remove Widgets From Layout Inside A Layout

Sep 6, 2010

I have LinearLayout. Inside to that i have added one more Linearyout ( checkbox & text ).

(LinearLayout) one textView, (LinearLayout) Checkbox,textview , one textview

Now whenever clicks the checkbox, i need to dynamically display EditBox after the checkbox.

code:..........

On the click of checkbox listener i added a code like below.

code:.........

I want to the layout which was added earlier.

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Android :: Dialog Not Displayed Properly In Landscape Mode / Solve It?

Oct 31, 2010

In messaging application screen i am trying to attach a audio , it pop up a dialog and, at the same time some incoming call came, after disconnecting the call the popup dialog displayed (half) not full dialog ( only header of dialog visible no buttons are visible to select or cancel),

It is not happening in the portrait mode,

how to solve it.

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Android :: Dynamically Loading Images

Aug 31, 2010

I am stuck in an peculiar scenario, while developin an app in android.

My app, downloads image from internet and populates the same in a thumbnail format in the application.

As i am not aware of the number of picture's/thumbnails at design time, i am creating image view controls dynamically by using the below mentioned code.

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

But in this scenario, all my images gets overlapped with each other. Wherein i want 3 images to be displayed on each row, which i am able to achieve through xml.

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Android :: Dynamically Loading JAR File At Runtime

Mar 18, 2009

I am storing the required test.jar file in the /sdcard. I want to load it dynamically at runtime and want to execute a function xyz() resides in that. For this purpose I had written following code:
But got ClassCastException : dalvik.system.PathClassLoader

Following is my code ,
import java.io.File; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader;

import android.app.Activity; import android.os.Bundle; import android.util.Log;
public class Collabera extends Activity {
/** Called when the activity is first created. */
private static final Class[] parameters = new Class[] { URL.class };
public static void loadURLClass(String classPathURL) throws IOException {
File f = new File(classPathURL);
URL url = f.toURL();
URLClassLoader systemLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
Class systemLoaderClass = URLClassLoader.class;
try { Method method = systemLoaderClass.getDeclaredMethod("addURL", parameters);
method.setAccessible(true);
method.invoke(systemLoader, new Object[] { url });
} catch (Throwable t) { t.printStackTrace();
throw new IOException( "Error, could not add URL to system classloader");
} }
@Override
public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.i("See","**************Before Loading Class Path**************");
try { Class.forName("test.Test1");
} catch (ClassNotFoundException e) { System.out.println(" Test Class Not Found ....");
} Log.i("See","**************After Loading Class Path**************");
try { loadURLClass("//sdcard//test.jar");
Class c = Class.forName("test.Test1");
Log.i("See"," Test Class Found ....");
Method method = c.getMethod("xyz", null);
Object o = c.newInstance();
String s = (String) method.invoke(o);
Log.i("See","Got method: " + s);
} catch (ClassNotFoundException e) { System.out.println(" Test Class Not Found ....");
} catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace();
} } }

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Unicode Natural Sign (Music) U266E Not Being Displayed Properly?

Nov 9, 2011

I am writing an application where I need to display note names on TextViews. The special characters for Sharps (u266F) and Flats (u266D) work fine, but the natural sign (u266E) appears as a box. However, when I use Log.e the natural sign appears as expected in the log output.

Also, when the unicodes do display correctly (using .setText), they appear to be padded with a space on both the left and right.

For example C#3 appears as C # 3. I tried using replaceAll("\s","") on the string but it has no effect. Again, this problem does not occur when using Log.e

These problems occur whether defining the unicodes as character constants, string constants, or when reading from Strings XML file.

This is in the development environment using Eclipse Helios Service Release 2.

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Android :: How To Loading Images (assets / Resources) Dynamically?

May 21, 2009

How do I load the image dynamically through the code? If its unclear, I mean, I want to load image files by name based on the condition in the code. If I use images as resources, the image names have to be hard coded. This is unacceptable to me. If I load image in a webview (with image src path dynamically), the time it takes to load is unacceptable to me. Can anyone suggest any other way to load the images dynamically?

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Android :: Orientation Problem While Dynamically Loading Views

Jul 8, 2009

I am trying to load textView and CheckBox view dynamically to a LinearLayout. i am getting some Orientation problem while doing the same.I want these two view in a single row but i its coming as in different raw.

Below is may code:

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

layoutxml is

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

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How To Properly Use Layout-large And Layout-land

Sep 26, 2012

I have 5 layout folders. layout, layout-small, layout-normal, layout-medium and layout-large.

My app is heavily image based. As a result I have created the proper images. mdpi, hdpi and xhdpi. I don't think I need to worry about ldpi since screens are only getting bigger.

With this in mind and the need for me to now create a good landscape layout for all my pages, how do I go about this? Is it simple layout-land? No need for large/small/normal again right?

Considering that I've got all my hdpi and xdpi images do I even need layout-medium, layout-large and layout-normal? Because the images will be adjusting themselves based on screensize surely I can use one layout and have that work for all screens..?

It's all getting very confusing now that I'm trying to add a landscape view to my app. It doesn't do it very well at the moment so I will probably have to design a landscape friendly layout so I can understand that I would need to rebuild all my layouts for this particular use (We're talking about 100 layous here but oh well, I can manage it. )

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Android :: Layout Being Displayed Too Late?

Sep 8, 2010

I have the following situation. Attached is a snippet of code that appears in the OnCreate of my Activity.

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

The issue is that my layout never gets displayed until the OnCreate method has compoleted. Since my 3 functions takes about 10 secs to complete, I have a blank screen being displayed for 10 secs. This layout has a progress bar which meant to show the progress thru each function.

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Android 2.2 Phone - Dynamically Loading External Library At Runtime?

Jul 29, 2013

I am using and android 2.2 phone for testing and getting an error.

07-27 01:24:55.692: W/System.err(14319): java.lang.ClassNotFoundException: com.shoaib.AndroidCCL.MyClass in loader dalvik.system.DexClassLoader@43abbc20

First I wrote the following class:

Code:
package org.shoaib.androidccl;
import android.util.Log;
public class MyClass {
public MyClass() {
Log.d(MyClass.class.getName(), "MyClass: constructor called.");
}
public void doSomething() {
Log.d(MyClass.class.getName(), "MyClass: doSomething() called.");
}
}

And I packaged it in a DEX file that I saved on my device's SD card as `/sdcard/testdex.jar`.

Then I wrote the program below, after having removed `MyClass` from my Eclipse project and cleaned it:

Code:

public class Main extends Activity {
[MENTION=1299008]supp[/MENTION]ressWarnings("unchecked")
[MENTION=439709]override[/MENTION]
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

[code]....

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Motorola Droid X : Android Not Loading Properly

Aug 10, 2010

I have a problem with my phone. It started out as the phone lagging and everything and I went to a representative for Verizon and told me to get the application Advanced Tasked Killer to kill all the task so it won't lag. It worked for awhile and it started again even though I used that application. I pulled out the battery to restart it and its stuck at the android eye loading icon. What do i do? get it replaced?

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Android :: A SurfaceView And 2 Buttons On A Layout Cannot Be Displayed?

Jun 6, 2009

I have a simple problem which makes me feel like a stupid. I really need help on this.

I have a SurfaceView which I created with Java code not XML. I created a MediaPlayer which shows its content on that SurfaceView.

When I use, setContentView(mPreview); // where mPreview is a SurfaceView

The video is played on the screen.

I need to add two buttons on the screen. So I tried something like this:

code:.........

This did not change anything. Still the video is displayed on full screen and no buttons appear. I am a java programmer both SE and ME. Things are done in this way on Java.

Does Android have a different approach?

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Android :: How To Get Notified When ListView Displayed?

Nov 12, 2010

I have a list view with array adapter to show user some information that retrieved from Internet, As we all know reading data from Internet requires some time to finish, but if I try to read data on getView(), it means user must wait and he/she cannot see anything at that time, the screen is black for long a time because it will cost too much time to finish. This is unacceptable.

So I think maybe I can show user a empty list view first and then display a progress dialog to let user know I'm now just reading data. The background task will read data and send message to UI thread when job is done. But there's one problem: I don't know how to get notified when list view is displayed. I mean, I want to know when & where to show that progress dialog when I first show user an empty list?

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Android :: GridView Inside Linear Layout Displayed In Tab

Aug 13, 2009

I am trying to display a bunch of image icons in a grid view, with some basic inductive text on the top. This layout is inside a tab pane. For some reason my application just Fore closes without any stack trace when I do this. Here is my lay out file and the corresponding code that uses it in a tab.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/ android" android:id="@+id/welcomeLayout" android:orientation="vertical"> <TextView android:id="@+id/txtWelcome" text="@string/app_name" > </TextView> <GridView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="10dp" android:id="@+id/welcomeGrid" android:horizontalSpacing="10dp" android:numColumns="auto_fit" android:stretchMode="columnWidth" android:gravity="center" android:columnWidth="120dp" android:verticalSpacing="15dp"/>
</LinearLayout>......

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Android :: Set Focus On A View When A Layout Is Created And Displayed?

Jan 27, 2010

Currently, I have a layout which contains a Button, a TextView and an EditText. When the layout is displayed, the focus will be automatically put on the EditText, which will trigger the keyboard to show up on Android phone. It is not what I want. Is there any way that I can set the focus on TextView or on nothing when a layout is displayed?

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Android :: Build String That Would Be Displayed In ListView?

Jul 30, 2009

I'd like to use CursorAdapter but Cursor its based on cannot be returned by simple sql query, since in db i have two fields and based on some criteria they build the String that would be displayed in the ListView.

what is the best solution: forget CursorAdapter and use ArrayAdapter or MatrixAdapter iterating over my db Cursor and adding rows, or maybe use CursorWrapper or some ither solution?

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Android :: How To Update LIstView Item That Is Currently Displayed

Aug 28, 2010

I have list of items ion my activity which I load dynamically, item after item. Initially I load "lightweight" version and when processing is done I want to update the item with new information. Like set some text or replace an image. That means I need to update what ListView item is displaying after Adapter#getView already returns. Of course I don't know if user is actively scrolling and this item is still visible or has been scrolled out ot view. The only thing I can think of is to extend View so it performs some operations on it's own thread and updates itself when done,but will it work?

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Android :: How To Dynamically Include A XML Layout

Oct 28, 2010

I want to decompose my UI into several XML Layouts. The first one would be the main layout, and the other ones would be the content layouts.

I would like to be able to set which content_layout should be included dynamically during runtime, so I don't want to set a "layout="@+layout/content_layout" in my XML file.

Here are my layouts:

main_layout.xml:

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

content_layout.xml:

CODE:.......

content_layout2.xml:

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

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Android :: Add Xml Layout Dynamically To ScrollView Droid?

Nov 24, 2010

I want to add xml layout dynamically to scrollview in my application . but it is showing error.

This is my code...

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Android :: Dynamically Grow Listview

Nov 2, 2009

I am trying to make ListView which should display data from db. But the db is filled slowly so want the entries in the ListView to grow dynamically according to the elements in db. For example on a desktop music player when you import a folder to the music library the list with songs is filling in real time with the newly added songs. So how can i get this working on android.

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Android :: Add Image In Listview Dynamically?

Sep 21, 2009

How can i add image to my listview dynamically.

Here is My Code...

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Android :: Change Dynamically A ListViews Item Layout

Mar 31, 2010

I want to know how to change dynamically a ListView's item layout. To be exact, i want to know the method that the ListView's bindView method is called at runtime. if the bindView method is artificially called by a other method. then i will change a ListView's item layout.

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Android :: Dynamically Adding A View To Activity Layout

Aug 18, 2010

I have a custom view (an extension of a TextView) that I want to dynamically add to my Layout (don't want to include it in the main.xml file).

The book says to fetch the RelativeLayout using findViewById() in my java code then create a new instance of my custom view, then use addView on the RelativeLayout to add the new view.

I'm not getting any errors, but when I click my button to add the new view, nothing is happening (view isn't being added). Do I need to set additional properties on my custom view (layout width, layout height for example) in order for it to be shown?

Adding code

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

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Android : Load Layout Dynamically At Runtime In Droid?

Nov 20, 2010

My application requires 2 screens and for this I have created two different XML layout files using RelativeLayout. One layout file loads whenever I run my Activity. Now I want to load the second layout on to the same Activity , when user click on a button in OptionsMenu and also when user press Back button the first screen loads instead of exiting the application. So that i don't need to create another Intent in my application.

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