Android :: Why Force Close Before Activity Screen Is Drawn?
Jun 29, 2010
My app keeps force closing before it starts, eclipse returns no errors in my code and my xml is good.
package com.mhe.test.scan;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class main extends Activity {
/** Called when the activity is first created. */
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button myScanButton = (Button) findViewById(R.id.myScanButton); myScanButton.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent("com.google.zxing.client.android.SCAN");
intent.putExtra("SCAN_MODE", "PRODUCT_MODE");
startActivityForResult(intent, 0);
} } );
} EditText totalbox = (EditText) findViewById(R.id.totalbox);
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
if (requestCode == 0) { if (resultCode == RESULT_OK) {
String contents = intent.getStringExtra("SCAN_RESULT");
// Handle successful scan totalbox.setText(contents)
} else if (resultCode == RESULT_CANCELED) {
// Handle cancel totalbox.setText("@string/bummer");
} } } }
Essentially it is supposed to call zxing Barcode Scanner to scan a barcode on a button click and return the result into an EditText field.
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Jul 2, 2009
Is there any way for an activity to register for being notified if a wait/force close dialog is shown or alternatively if the user selects force close, a way to detect that in ondestroy()?
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Sep 21, 2009
So I read through the SDK docs and I thought that calling a new activity(browser) as part of a task (myTask) will mean that activity* (browser) will close when a user closes the task (myTask) But I am left with a browser window.
Here is my scenario (in sudo code);
CODE:..........
Question 1: What is the cleanest way to ensure that when a user closes my app, any outside activities called will be closed to.
Question 2: Does a callback URl start a new Task, or use one in the stack if available?
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Oct 4, 2010
Is there a way to notify an activity/service of a force-close request right before it gets killed?
I mean when the user hits the force close button in Menu>Settings>Applications>Manage applications>app name>Force Close.
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Jul 22, 2010
I'd like to have some emergency cleanup code execute just before my app crashes. I tried using onDestroy(),, onFinal() and finalize() to no avail. Is this possible in an Android Activity?
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Jul 9, 2010
When I start my (soon-to-be) android game (from eclipse) it opens, but immediately force-closes.
Logcat says:
07-09 17:12:35.709: ERROR/AndroidRuntime(3866): Uncaught handler: thread main exiting due to uncaught exception
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{org.anselm.eickhoff.rhythm/org.anselm.eickhoff.rhythm.RhythmGameActivity}: java.lang.ClassNotFoundException: org.anselm.eickhoff.rhythm.RhythmGameActivity in loader dalvik.system.PathClassLoader@4001e740
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2497)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2621)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.app.ActivityThread.access$2200(ActivityThread.java:126)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1932)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.os.Handler.dispatchMessage(Handler.java:99)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.os.Looper.loop(Looper.java:123)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.app.ActivityThread.main(ActivityThread.java:4595)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at java.lang.reflect.Method.invokeNative(Native Method)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at java.lang.reflect.Method.invoke(Method.java:521)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at dalvik.system.NativeStart.main(Native Method)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): Caused by: java.lang.ClassNotFoundException: org.anselm.eickhoff.rhythm.RhythmGameActivity in loader dalvik.system.PathClassLoader@4001e740
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2489)
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): ... 11 more
The interesting line here is (I think):
07-09 17:12:35.719: ERROR/AndroidRuntime(3866): Caused by: java.lang.ClassNotFoundException: org.anselm.eickhoff.rhythm.RhythmGameActivity in loader dalvik.system.PathClassLoader@4001e740
Which surprises me, because I have this class (in the right package)
Edit: to clarify, added the first line which I had omitted (together with the imports)
package org.anselm.eickhoff.rhythm;
...
public class RhythmGameActivity extends Activity {
/** Called when the activity is first created. */
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
} @Override public void onPause() {
} }
and that's all it does!
I also registered it in the manifest:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.anselm.eickhoff.rhythm"
android:versionCode="1" android:versionName="pre-alpha">
<uses-permission android:name="android.permission.INTERNET" />
<application android:icon="@drawable/icon" android:label="@string/app_name" android:debuggable="true" android:hasCode="false">
<activity android:name=".RhythmGameActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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Jan 2, 2010
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Here's my code to do so:
CODE:.............
When I go to add the shortcut to my home screen, I get a Force Close, not on my own process, but on com.android.acore(!). I've run the debugger and verified that my code gets executed all the way to the call to finish().
If I do this instead for the EXTRA_SHORTCUT_ICON:
intent.putExtra(Intent.EXTRA_SHORTCUT_ICON, R.drawable.icon);
It works fine and places the shortcut, and the shortcut behaves correctly -- but of course the shortcut has the stock Android icon, not mine, since this isn't the proper way to specify the icon.
When I look at the source code of other apps that have done this, and at the one example of it in the official Android reference area, my code looks identical. My icon's a standard 48x48 png that I use for the app's main icon, without problems. I've verified this problem on an emulator running stock 1.6, haven't tested other versions.
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Apr 28, 2009
From the javadoc of RemoteView, it said " * A class that describes a view hierarchy that can be displayed in another process."
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Feb 22, 2010
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If there is any way that I can get the bitmap data before it's drawn to screen, so I can prevent it from being displayed , but grab the data, put it on the intent for some further use?
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Sep 1, 2010
" The application com.sym.activitu(process com.sym.activity) has stopped unexpectly. Please try again "the above msg occur in running time so please give solution
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Feb 13, 2010
I've noticed that whenever I introduce some new awful bug to my app and it crashes, Android just keeps starting it up over and over again. I eventually have to hit the dial button on the phone just to make my app lose focus. I searched this group's posts and the developer documents.I can't find anything about this. Is this usual behavior? If so, is there some way to disable it? Maybe it's just my coming from a desktop background, but I kind of think that when something is closed, it should stay closed, especially if the reason it was closed was that it crashed. And of course, I hope my final app never force closes, but with all the different hardware you never know.
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Jul 15, 2010
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The default behavior from my observation is if current activity force closes Android tries to go to previous activity on stack How can I control this behavior? I want force close to close all activities
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My application used to execute in background by service. But sometimes when it goes in exception it is giving Exception with the Force Close Message Box. I want to avoid that Message box. Is there any way to avoid it?
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Nov 19, 2010
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Oct 1, 2009
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Jun 14, 2010
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many lines of code...manipulating with SQLite databases...
}
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May 25, 2010
I get this error on my Android emulator: Sorry The application has stopped unexpectedly. Please try again. [Force Close]
I think the code that is creating the error is this: HttpClient client = new HttpClient();
I have imported the following from JARS:
CODE:............
Is there a way to get more details on what the error is? The message described above isn't very helpful...
Stacktrace:
I've looked at this and I think this is the problem. (it was too long to post all on here..)
CODE:..........
Can be found at bottom of this page: http://hc.apache.org/httpclient-3.x/tutorial.html
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