General :: Unable To Instantiate Activity?
May 27, 2012
i'm trying to make a app that will play a aac stream from an online radio station. I managed to build the project but i get this error when running it.
Code:
05-27 06:12:00.734: E/AndroidRuntime(450): FATAL EXCEPTION: main
05-27 06:12:00.734: E/AndroidRuntime(450): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.spoledge.aacplay/com.spoledge.aacplay.AACPlayerActivity}: java.lang.ClassNotFoundException: com.spoledge.aacplay.AACPlayerActivity in loader dalvik.system.PathClassLoader[/data/app/com.spoledge.aacplay-2.apk]
05-27 06:12:00.734: E/AndroidRuntime(450): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569)
05-27 06:12:00.734: E/AndroidRuntime(450): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
05-27 06:12:00.734: E/AndroidRuntime(450): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
05-27 06:12:00.734: E/AndroidRuntime(450): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
05-27 06:12:00.734: E/AndroidRuntime(450): at android.os.Handler.dispatchMessage(Handler.java:99)
05-27 06:12:00.734: E/AndroidRuntime(450): at android.os.Looper.loop(Looper.java:123)
[code]...
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Jun 6, 2011
I am trying to create a drools app on android using eclipse. It compiles /builds correctly in Eclipse. But when I run it in emulator or android device, it says
W/System.err( 322): java.lang.IllegalArgumentException: Unable to instantiate service for Class 'org.drools.builder.KnowledgeBuilderFactoryService '
I have the required jars added to "libs" directory of the project and the jars are also added to the build path in eclipse.
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Jan 22, 2010
I cannot instantiate a sub activity. In the logcat I see this line: 01-22 15:14:38.906: DEBUG/dalvikvm(411): newInstance failed: no <init>() This is the line in dalvik that generates that logcat. Here is the action I take to activate the activity in a timer handler. Code...
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Jul 14, 2010
I have few intents in my manifest file and an AIR application. How can I instantiate AIR application from android.
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Dec 15, 2009
In my application, I have created a ContentProvider. Is there a way for me to instantiate this ContentProvider when my apk is started? RIght now, the ContentProvider only instantiate when some one does a query.
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Dec 15, 2009
In my application, I have created a ContentProvider. Is there a way for me to instantiate this ContentProvider when my apk is started? RIght now, the ContentProvider only instantiates when someone does a query.
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Feb 22, 2010
I need to run unit tests for code that references SQLiteDatabase for my Android code; however all my attempts to instantiate this object outside the emulator (on my desktop machine) have failed. JDBC on Android is not being recommended on the Net, hence it's out of the question (I could have provided mock objects very easily that way).
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Apr 21, 2012
I got a error message "04-21 18:02:01.448: E/AndroidRuntime(328): java.lang.RuntimeException: Unable to start activity Component Info {pac.bib/ pac.bib.LivroBibliaActivity}: java.lang.NullPointerException" when click ListView. when try startActivity
Code:
private AdapterView.OnItemClickListener onListClick=new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent,
View view, int position,
long id)
{
[code]....
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Feb 10, 2009
I have an Activity which gives me the following stack trace error and it looks to be out of my control (I could be wrong though as I'm a newb to Android).Can anyone point me in the right direction? (It happened when I clicked on the back button)
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Oct 11, 2010
I am having a problem in running Android unit test. I got this error when I tried to run a simple test.
Here's the log:
CODE:.........................
This error occurs for Android less than 2.2. It works fine for Android 2.2 emulator. Yet Android 2.2 emulator has a bug of sending a key twice even though we only press it one. Application to be tested runs on Android 2.2 platform.
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Mar 4, 2012
I am getting this and can't seem to find out why?
Code:
03-04 14:04:41.565: E/AndroidRuntime(742): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ondrovic.boombozzpassport/com.ondrovic.boombozzpassport.BeerForm}: java.lang.IllegalStateException: get field slot from row 0 col -1 failed
Here is the code where I am trying to start the activity
Code:
private AdapterView.OnItemClickListener onListClick = new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View v, int pos, long id) {
Intent intent = new Intent(getApplicationContext(), BeerForm.class);
[Code] ....
Also the activity will start if I take out the intent.putExtra(BeerForm.INTENT_BEER_ID, String.valueOf(id));
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Jun 22, 2010
I have created 3 tab in my application and every tab has it's own view. in tab 1 i have a button on top which load another view on same tab but when that view load tab has been hidden this is my problem, i want view switching with in single tab by click on button.
I am not able to change the activity with tab by clicking on button.
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Nov 22, 2010
I've got the following Button declared in my main.xml And I have the following methods in the activity. Code...
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Jun 17, 2010
I encounter a problem with a ProgressDialog in a PreferencesActivity in my application.What I want to do is pop up a ProgressDialog after the user has changed his username or password during the check on the remote server. In the onSharedPreferenceChanged() I call the ProgressDialog.show() method. Sometimes it works fine, sometimes not at all.
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Mar 5, 2010
I am trying to launch an activity by specifying only its action(custom) defined in its intent filter from an activity in other application. The activity to be launched is the main activity of its application thus have android.intent.action.MAIN & android.intent.category.LAUNCHER set as action and category in its intent filter. Now according to android doc on Intent and Intent Filter, i do not need to specify DEFAULT category at all in this case. But doing the same i am i am unable to launch the activity.
LogCat says, Activity could not be found...
Am i misinterpreting the text or is there something else missing...?
Code, used for calling the activity
CODE:.............
Definition of Activity being called in the manifest file
COE:....................
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Jun 9, 2009
I have a service class my.app.MyService that I'm attempting to launch from my.app.MyActivity as follows:
Intent svc = new Intent( this, MyService.class );
The manifest contains the entries:
<uses-permission android:name="android.permission.ACCESS_BACKGROUND_SERVICE" />
<service android:name =".MyService" />
LogCat gives the message:
"Unable to start service Intent { comp={"my.app/ my.app.MyService" } } : not found"
Could someone kindly let me know what I am missing?
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Nov 24, 2010
I am pretty new to this but I was told I could get good help here. A friend and myself are playing around with creating Android apps (using ADT)
Here is how we are trying to make the program: in activity, user sets threshold values for the X and Y axis on accelerometer. When user hits button "Start", startService is invoked and starts TiltService.
TiltService is designed to run in the background always on the phone without user interaction. TiltService constantly compares the threshold with the accelerometer values and will vibrate if they are off.
My problem is I can't seem to get the putExtra() data correctly. I have overridden the onStartCommand in my service but I get the message "unreachable code" when I save the getExtras() to a bundle.
Here is the relevant code (I can post the whole thing, just do not want to clog up page) code...
I thought I understood the basic of how Intents could pass data, but I guess I don't. Is it obvious what I am missing?
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Aug 22, 2010
The error I receive is, "android.content.ActivityNotFoundException: Unable to find explicit activity class {com.droidea.birthday/ EditBirthdayActivity}; have you declared this activity in your AndroidManifest.xml?"
The error seems simple enough, but I don't see a problem with the way I have identified this activity in my manifest file. I have also been unable to see any problems with the activity class itself..............
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Nov 8, 2010
I wrote an android app and so far it works perfect except for on one phone. It is the exact phone that I have with 2.2 on both phones and mine works perfect. The other phone is getting force close all the time but only when opening an activity that queries my image DB and tries to show a gallery. Every activity crashes in the same place, the viewimages. At first I thought it was the intent that was doing it but one of the activitys does not have the intent, it opens the images below the gallery. This works on the emulator, on my moto droid and on a few other different droids. Here is the code for the gallery and my bitmap decoder.
The error is below that.
CODE:..............
Here is the error
CODE:.....................
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Jun 14, 2010
I am trying the MapDemo application, but I am unable to launch the activity, it is showing following error message : [2010-06-14 12:11:49 - TryMaps] Installation error: INSTALL_FAILED_MISSING_SHARED_LIBRARY [2010-06-14 12:11:49 - TryMaps] Please check logcat output for more details. [2010-06-14 12:11:49 - TryMaps] Launch canceled!
I have gone through the previous thread on this error, And I have already tried following suggestion : 1. Add maps.jar with Google API 2. and also mention the <uses-library> attribute in manifest file.
But still I am unable to launch the activity, in logcat it is showing that package <package name> requires unavailable shared library com.google.android.maps ; Ignoring.
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Dec 18, 2009
Has anyone been successful showing a notification, starting an activity, or loading the home screen *during* a call on the Droid? All three of these actions can be done with the emulator running 2.0, but will not run from the Droid. I don't receive any type of notification that these actions fail on the Droid. Although, every action works when a call is *not* active. Missed calls during a call *do* show up in the notification bar, so I am hoping there is a way.
I understand that the notification bar can not be accessed by users during calls, but it would be nice if a notification could at least be delivered. I also understand the security and usability concerns of displaying a window or action during phone calls. Although, there are a lot of users who would like actionable functionality based on calls.
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Jan 20, 2009
I want to be able to show the Battery Info activity in my app, which shows things such as the exact level, battery health, etc.I'm not sure how I can get it, though a few applications such as Power Manager, Any Cut, etc. show this screen as well. I found in the source code of Settings this intent in a file called testing_settings.xml,But I don't know how to use it. I would guess from the fact that Any Cut has a list of activities, that a list of said activities exists somewhere, and therefore an easy way to access them exists, but I haven't found it.
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Jan 18, 2014
why I can't get my ringtones on my S4? maybe it is the file? it is a m4.r file and in my itunes�I can click and drag other files to my android but not these.
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Jan 4, 2014
I'm currently running the ONEDROID ROM with Kit Kat 4.4.2 on my HTC ONE but would like to change to a Paranoid Android Rom.
Everytime I attempt to flash it, it fails. I've tried it a number of times, but with no luck!
I also tried to flash the OMNIROM, but it was the same issue.
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Apr 16, 2014
firstly it was only 35 mb Free .i was unable to install new app..then i deleted tombstone and log in data and got some space...further i found a folder that i do not understand....it is data/core...... i am using micromax a116 rooted..
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May 3, 2014
This morning I upgraded my note2 to 4.4.2 however I am unable to see new dialer in my fone
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May 20, 2013
I was able to connect my Samsung Galaxy S4 using Android File Transfer to my Mac OSX 10.8.3. Now today I can't get it to work. Any tips? I also tried to install Samsung Kies and neither can see my phone. When I connect to the USB on the phone it says "Connected as a Camera". I don't remember that before. How can I have it connect as a mass storage device?
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Aug 18, 2011
For some reason the camera and Camcorder no longer work. I have a Droid x2 and recently updated the software.
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May 30, 2012
Im having trouble sending pictures from my phone.it keeps showing its sending but never sends.it shows that ring of timer if u know what i mean.i can recieve pics but cant sent them.never goes through or sends.i try reading the manual but nothing works.even settings i try playing with but nothing.
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Sep 10, 2012
I have a tablet with internal SD (nand one) and an external SD.
Now I can read contents in internal SD but can't write it. I checked up with root explorer, finding the file sysytem is "read only". After toggling it to R/W, the storage can be written by root explorer but still can't by other apps.
================ EDIT ================
p.s. When connected to PC as massive storage device, it can be read and written.
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