Android :: Standalone Java Code Not Working In Same Way
Jun 15, 2010
I am trying to integrate Google Health on android and am trying to use a client login example which is working fine as a standalone java program. But when I implement the same in android it gives me all these errors. I guess I am missing some saxparser libraries. Here is the code that I am using. I am using the same code that was used in the example code provided by google for client login. Can someone let me know where I am going wrong or what I am missing..................
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Nov 8, 2010
We want to migrate a huge complex native program to Android system ,running it as a background service accepting command sent from Java Program using JNI along with IPC. However, the Android NDK state following words:
Please note that the NDK does not enable you to develop native-only applications. Android's primary runtime remains the Dalvik virtual machine.
Does that mean we have no way to run an standalone native-only application on Android as a background service? The native code can only exist in the form of library that will be loaded to the virtual machine through JNI?
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Jul 7, 2010
I'm using URLConnection to connect to the main server. The server implements digest authentication. If I connect to the server with java library, the connection is successful. But if I use the same code for android, the connection is rejected for the reason - username and password do not match.
Here is the code for my Java project:
code:...........
The above code works fine and I'm able to connect to my host server which is implementing digest authentication. I'm unable to use the same code for Android to connect.
Here is my android code:
code:.........
If the same code works for Java, it should also work for Android.
The code loops in the Authenticator as it finds username and password not matching in the Android code for some reason which in fact are correct. The code runs perfect for Java project.
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Aug 17, 2010
I have an activity with 50 buttons. Want to avoid writing 50 switch cases for onClick listener events. Is their a way to map the buttons with its respective loading of UI in XML format and avoid writing Java code.
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Aug 12, 2009
I need to create dynamic UI. How can I add margin to the left side of the button.
newPost =new Button(BlogsList.this); newPost.setText("Add Entry To Blog"); newPost.setPadding(10, 10, 10, 10); newPost.setLayoutParams(new LayoutParams (LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT)); newPost.setOnClickListener(new NewPost(b.getName (),b.getBlogId())); l22.addView(newPost);
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Sep 28, 2010
I need to de-serialise a file into an object of a given type. Basically the method will do this:
FileInputStream fis = new FileInputStream(filename);
ObjectInputStream in = new ObjectInputStream(fis);
MyClass newObject = (MyClass)in.readObject();
in.close();
return newObject;
I would like this method to be generic, therefore I can tell it what type I want to in.readObject() to cast its output into, and return it. Hope this makes sense...then again, I probably didn't understand generics properly and this is not actually possible, or advisable.
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Oct 1, 2010
<string name="title_new">Yeni Kamera</string>
I have this string in string.xml,
public void SetTitle(String _title) {
title.setText(_title);
}
And title is a TextView.. I want to take string for _title, how can I do?
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Oct 10, 2010
I Have a Java application and I need to convert it to an Android application is there any resources to show how ? in Android developer site I didnt found anything like that! I need to use the Java methods and classes in android ,How it can be done?
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Jan 10, 2010
I just wanted to know if any one knows how i could power off android via java code ?.
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Aug 25, 2009
Why I have this error? It' s the same java code than the following url:...........
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Apr 2, 2009
How to set position of TextView and EditText using java code. i want to set EditText just after TextView.
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Aug 15, 2009
How can I install .apk file by using java code. that is , we can install .apk from cmd "adb install program_name.apk" I wonder that how can we install .apk file bu using another program. To summarize I will have button and when user click it another program(in sdcard) will be installed to phone.
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Mar 9, 2009
In my layout xml, I have: <TabHost android:id="@+id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent">
<TabWidget android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content"/>
</TabHost>
My question is how can I get a reference to TabWidget object. I tried this: mTabWidget = (TabWidget) findViewById(com.android.internal.R.id.tabs); but this won't compile since 'com.android.internal.R is not visible. And then I try change the id to android:id="@+id/tabs" but I get a run time error saying: "Your TabHost must have a TabWidget whose id attribute is 'android.R.id.tabs'"
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Jul 30, 2010
I want to add <uses-permission> via programatically .I want to telephone number of the device.For that i need to access the phone state.But i need to add that permission only with Java code at runtime. Is it Possible to do so. (or) Can you suggest any alternative way to read the telephone number .?
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Sep 19, 2009
Resources.getDimensionPixelSize (android.R.attr.listPreferredItemHeight) does not work. So how to? And any other way to specify resolution independent dimension values in Java code?
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Nov 24, 2010
I found that it is possible to set dimensions of my interface elements in XML layouts using DIPs as in following fragment : "android:layout_width="10dip" But all Java interface takes integer as arguments and there is no way to specify dimensions in DIPs. What is the correct way to calculate this? I figured that I have to use property density of DisplayMetrics class but is this a correct way ? May I rely on that formula:
pixels * DisplayMetrics.density = dip
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Nov 19, 2010
I want to hide the linear layout so i used
LinearLayout mainLayout=(LinearLayout)this.findViewById(R.id.mainLayout);
mainLayout.setVisibility(2);
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Sep 25, 2009
android:enabled can be set at AndroidManifest.xml <activity android:name="MyActivity" android:enabled="true">
How can I set the attr true or false in my programm?
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Nov 23, 2010
I just inherited a project at my workplace and I am having trouble having Eclipse act as an Adroid editor rather than a Java editor. Pretty much everything is under lined and I can't seem to find a way to change how it is interpreted. I have downloaded all of the Android SDK's and the Eclipse Plugin. I can create Android projects and write the code just fine, but everything is still underlining. I must be missing something simple. Any suggestions, something I missed or didn't download?
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Feb 13, 2010
Does the 'instanceof' keyword bear with it a relatively heavier impact on the Android platform (and more speciffically the mobile phones running the Dalvik VM)?
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Apr 30, 2010
I want to lock files that is on the sdcard of android. I need to lock them so no one except my software can delete copy move or send them over bluetooth or any other way.
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Sep 7, 2010
I have one android project. I have one class file of about 6000 lines when i tried to add more code it shows the java.lang.verifyerror.
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Jan 3, 2010
Im using amazing FPS and i have to store the secret key in the java code. However I am afraid that someone would decompile my apk and find the key. I have decompiled the apk myself and could not find the key, but im no VM expert.
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Oct 27, 2010
CODE:......
This is the code for iphone wat is its equivalent in java.
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Dec 30, 2009
I am using "Hello, Android" 1.5& 1.6 with the 2.1 android Java build. I type: import android.os.Bundle;
It disappears as soon as I finish typing!
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Jun 2, 2010
I want to set current wallpaper as my application background . Any ideas to do it through XML or Java code ?
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Mar 19, 2010
Did anyone create the Java Code Formatter Profile for Eclipse IDE that conforms to the Android Code Style Rules? Android Code Style Guide defines "Android Code Style Rules".To conform to these rules one have to change quite a number of settings of the Java Code Formatter
(Window->Preferences->Java->Code Style->Formatter) default profile (in Eclipse IDE).
Did anyone manage to configure the formatter to follow the "Android Code Style Rules" already?
If yes, please export the Formatter profile and publish to be used by community. I've tried to do this myself but I've found that there are too many formatter options available, and most of them are not mentioned in the Code Style Guide.
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Jun 2, 2010
Does anyone know what approach one can take to automatically generate Java source code, from for example an xml or json file, in eclipse? One great example of what I am thinking of doing is what Google Android sdk does: they have an R class generated automatically from the resources. Every time a resource file is saved in Eclipse R class is automatically regenerated.
UPDATE: Example:
In the text (xml or json file) I have the following:
<tags>
<tag id="ALPHA">
<description>The first alpha tag.</description>
<value>231232</value> </tag> <tag id="BETA">
<description>This is the beta tag.</description>
<value>231232</value> </tag>
Then in my generated java class, say R I would have something like:
R.tags.ids.ALPHA //refers to an enum value for example
R.tags.values.ALPHA //refers to final int with avlue 231232
R.tags.descriptions.ALPHA //refers to the String with description
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Sep 17, 2009
I am using custom listadapter for ListActivity, but half adapter is getting built and then throws "java.lang.StackOverflowError". When I ran the same code on sdk1_1r1 it works perfect. When do i try to run on sdk1_5r3, gives this error. Generally java.lang.StackOverflowError when happens if the some function caught in infinite recursion, but if this is case then why does it working on sdk1.1r1 perfectly. I tested the appl on sdk1_5r3 both emulators default AVD(96 RAM) and custom AVD(523 RAM). For all try it gives the same error.
Log Cat:..........................
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Aug 11, 2009
I am trying to execute "ls -a" from java code, any idea how to do so.
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