Android :: Check / Sanitize Data In A PreferenceActivity
Apr 3, 2009
I'm using a PreferenceActivity with a PreferenceScreen defined in a xml file. i want to make sure that the data set on a preference editor are valid (integer , integer in a range....)
So , i want to be able to intercept a click on a button of the EditTextPreference , check the validity of the data and if the data is incorect , display a message to the user and come back on the EditTextPreference.
What would be the best way to achieve that?
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Jun 26, 2010
I have the Everything Data Family 1500 Share Plan.Just check my data usage today. What is this Roaming Data Charge?I was in USA and in the states all the time.Anyway to avoid this in the future? There's no charges now, but it could get worst.
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Dec 26, 2009
I have google voice. And the quality is excellent but im on a non data plan so I can't check it out in 3g. I live in a t-mobile edge zone so I want to know about the voice quality & reliability cause I'm planning on getting a nexus with a t-mobile data only plan. Will it be like a regular phone call or will I have poor quality?
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Jul 25, 2010
I have successfully been getting GPS data through the registerLocationListener() and onLocationChanged() methods. The only problem with this is that the speed reading of my app freezes if there is no more GPS data (e.g. when I go indoors, enter a tunnel, etc). The behavior I want for my app is that the user is somehow notified that the speed reading is probably not accurate due to a lack of fresh data (set speed to zero, blink the speed reading, etc). How can I do that? I though of checking periodically whether the GPS unit was detecting any satellites, but I'm not sure how to force periodic checks.
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Jun 28, 2010
I am using log to store all the transfer. How can I check the logged data?
Log.i("login", "recevied " + getResponse(response.getEntity()));
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Apr 10, 2010
So I am modifying the Cube live wallpaper example. I have a class that extends PreferenceActivity, and I added the Activity in my manifest file. I keep getting ActivityNotFoundExceptions.
Here is my preference classcode...
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May 4, 2010
Where can I check for the Dir/ files/ data created in Internal Memory/SDCard ?
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Jul 2, 2010
I'm doing Major Project on my final year and I'm very new to Android plus I;m not good at codings. I need help with my login page. I've created something like a database connection java file which is this:
CODE:......................
I've already created a database for users using SQLite. The database name is Users and the table is called User. The records inside the table are Username, Password, LastName, FirstName. I've inserted one user's info into the database. The problem is I do not know whether my UserDB.java is correct.
And I've also created login.java. Hardcoded Login page:
CODE:........
So I want to know how I should apply the database connection on the login.java. Should I insert database connection something like db.Open();? I studied ASP.Net a few months back and I kind of forget most of what I've learnt.
So how should I open the database connection on login.java and how to check with database whether the user enters the right username and password?
Just incase you need my xml, here's the code:
CODE:......
I need to learn how to do it so that I can apply for other pages for example Register.java page.
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Nov 15, 2013
Any good application for check the sms and data plan consumption?
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Jan 27, 2010
I am testing my application on a Nexus One and i have some problems. My theme is Light and when an inner sub PreferenceScreen is displayed, the window background becomes black instead of keeping the PreferenceActivity's one.
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Dec 12, 2009
I have a ListView that has some minor visual preferences that are set in a PreferenceScreen. These preferences are simple booleans to show or not to show some specific TextViews on each item in my ListView.
Anyhow, when these preferences are changed, I need to notify my ArrayAdapter that the data has changed in order to get the list redrawn. However, doing this via an OnSharedPreferenceChangeListener wouldn't really be optimal because there are several preferences that you can change, that would cause an unnecessary amount of updates to the ArrayAdapter.
So, to the question: How can I identify when my ListActivity has occurred on the screen after closing my PreferenceActivity, which I then could use to check for changes in the preferences, and only then notify the ArrayAdapter.
The ArrayAdapter being an inner class of my ListActivity, which is set as a ListAdapter.
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Jul 19, 2010
Jeff Sharkey in this post (http://goo.gl/G3wt) shows how to create save application preferences in database by hack on PreferenceActivity.
It said i can use a ContentProvider, too.
Can you give me an example on how to save preferences from PreferenceActivity to ContentProvider?
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Jun 12, 2009
I have a PreferenceActivity building screen hierarchy from code, and I need to force display hierarchy change dynamically when one of SharedPreference value changed. I know this might be a kind of easy question, but I couldn't find answer anywhere in documentations or discussion.
My PreferenceActivity is forming like this. code...
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Sep 15, 2010
I went into Weather Bug (free version) to check the weather and accidentally hit the menu button. Decide to check preferences for the heck of it and I see "Enable Updates' set to yes and Update Interval set to every 1 hour. What?? I know it's probably not a huge drain - but I had no idea that it was checking on a regular basis (and why I don't know). So please check your apps to make sure they are not updating data auotmatically! After that I went into every app I had to make sure I was either signed out or or set updates to manual.
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Jul 8, 2010
I'm doing Major Project on my final year and I'm very new to Android plus I;m not good at codings. I need help with my login page.
I've created something like a database connection java file which is this:
CODE:.......
I've already created a database for users using SQLite. The database name is Users and the table is called User. The records inside the table are Username, Password, LastName, FirstName. I've inserted one user's info into the database. The problem is I do not know whether my UserDB.java is correct.
And I've also created login.java. Hardcoded Login page:
CODE:.........
So I want to know how I should apply the database connection on the login.java. Should I insert database connection something like db.Open();? I studied ASP.Net a few months back and I kind of forget most of what I've learnt. So how should I open the database connection on login.java and how to check with database whether the user enters the right username and password?
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Mar 16, 2010
I am having a problem with an application I am in the middle of writing which is causing me some serious headaches.
The situation is this:
The application allows the user to configure several different kinds of information in several activities.
One of the activities, which is a subclass of Activity, takes data from the user and stores it in a shared preferences instance that I create manually and edit in code. This activity requires a complex screen layout that I do not believe would work well with a PreferenceActivity, hence me rolling my own in this case.
Another one of the activities, which is a subclass of PreferenceActivity, is a straight forward list of preferences, each with a list options - standard stuff.
I am finding that any data that I store from the first activity, my bespoke preference screen which manually adds the data using a StoredPreferences.Editor instance is overwritten once the user selects an option in my activity that extends PreferenceActivity.
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Aug 5, 2010
Currently, I'm using the following code across all of my activities in my app to store application level variables and carry values between activities..
prefs = this.getSharedPreferences("MyPrefs", Context.MODE_PRIVATE);
I didn't have a PreferenceActivity prior to this, but now I do and I am looking to store a few user prefs from this new PreferenceActivity in the same sharedPreferences tag, "MyPrefs".
I know I can access the PreferenceActivity SharedPrefs from my activities via
prefs = PreferenceManager.getDefaultSharedPreferences(this);
but I would like those values saved to my current sharedPreferences tag, "MyPrefs", but I'm not sure how to do this.
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Oct 22, 2010
Is there a way to make sure that I'm am using just wifi and not verizons data? It seems as though I am using ALOT of data for someone that don't leave the house but a few days a week.
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Sep 26, 2011
where do i insert my data into database so that when i click on the login button it will check the username and password typed by the user with the database. if its correct it will move on the menu page.
my code below
Code:
package com.logintesting;
import android.app.Activity;
import android.os.Bundle;
[Code]....
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Jul 19, 2010
Is their a way to tell how much data you have used like on the iphone?
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Apr 12, 2010
I have a PreferenceActivity with a bunch of (Sub)PreferenceScreens. Each such (Sub)PreferenceScreen represents an account and has the account-username as its title.
CODE:................
As the user enters sub-PreferenceScreen, and edits the account user-name, I want the outer PreferenceScreen to update it's PreferenceScreen-title for the account in question.
I've tried to add...
CODE:.............
But the accScreen.setTitle does not seem to take effect on the outer PreferenceScreen. I've note that calling onContentChanged(); actually makes it work, but I realize that this is probably not the preferred way of doing it.
I suspect I should call postInvalidate() on some view somewhere, but I really can't figure out on what view and when to do it.
http://stackoverflow.com/questions/2396153/preferencescreen-androidsummary-update may be experiening the same problem as me.
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Sep 9, 2012
is there a way to change the main activity background using preferences?I search everywhere and tried everything i could imagine but nothing works.
I want to enter in my preferenceActivity, choose "change background", open the phone's gallery, select a image/photo and set it as the "wallpaper" of my application.
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May 21, 2009
I've got the following row xml file which consists of CheckboxView and TextView;
CODE:............
When the app run, i'm unable to "tick" any of the check boxes...
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Sep 2, 2010
Check for system updates doesn't check.
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Nov 6, 2009
Menu - Settings - Location - Enable GPS satellites
It states that enabling this will "require more battery plus view of sky"
When checked, it states "deselect to conserve battery"
So, the question is, should this be enabled?
I imagine for some applications, knowing your precise location should be useful, especially if the turn-by-turn maps are installed and used.
I'm thinking to deselect this, and selecting it at times when I need it.
So, to check or not to check?
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Mar 4, 2010
I'm making an Android Java app game (although this question applies to all languages really) and hope to release the first version soon. I'm nervous about how I save data in my game. My problem is that, if in a later update, I decide to store more data or store the same data in a different way, I need to be careful I don't lose or corrupt data for users that upgrade (i.e. I want users to be able to use data created by an old version in the new version, like their high scores from before).For example, say I want to save high scores in version 1.
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Sep 24, 2010
Is it possible to provide files into the data/data directory of an android application on install? If so, where would I put these files in my project?
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Mar 16, 2010
How I'm able to do what I've written in the topic. I've looked through many tutorials on AsyncTask but I can't get it to work. I have a little form (EditText) that will take what the user inputs there and make it to a url query for the application to lookup and then display the results.
What I think would seem to work is something like this: In my main activity i have a string called responseBody. Then the user clicks on the search button it will go to my search function and from there call the GrabUrl method with the url which will start the asyncdata and when that process is finished the onPostExecute method will use the function activity.this.setResponseBody(content).
This is what my code looks like simpliefied with the most important parts (I think).
CODE:.......................
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Mar 2, 2010
For my CS bachelors I am doing a Senior project using android and google maps.My vision was to do a (relatively) simple Dijkstra shortest path using google maps road data. I was going to add elevation change along with 2D distance. I am doing well playing with maps in android but I am completely stumped trying to access google maps data in any sort of searchable form.How would I go about accessing the data for say intersections of roads (lat/long) in a particular area?There has to be a way to pull that data in some sort of tree form. It seems like it may be possible with kml?Any pointers would be awesome.I want my paths to follow roads but If i cant this is going to turn into an orienteering application fairly fast.
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Apr 14, 2010
Is it possible to copy a file located on the sdcard to a package's internal filesytem located at /data/data/packagename/files/ folder?
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