I have a problem with the Manifest of my Application.
Clicking on a button on Main activity I want to start an other Activity, so I used this function:
public void startDatacenters() {
Intent intent = new Intent(context, Datacenters.class);
activity.startActivity(intent);}
The package of Datacenters.class is com.eco4cloud.activities.Datacenters
So my manifest is this:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.eco4cloud"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<activity
android:name=".activities.Main"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".activities.Datacenters"
android:label="#string/app_name" >
<intent-filter>
<action android:name="com.eco4cloud.activities.DATACENTERS" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
</application>
</manifest>
Android gave me this error i don't know why :(
05-24 18:01:32.622: D/AndroidRuntime(15404): Shutting down VM
05-24 18:01:32.622: W/dalvikvm(15404): threadid=1: thread exiting with uncaught exception (group=0x40a441f8)
05-24 18:01:32.632: E/AndroidRuntime(15404): FATAL EXCEPTION: main
05-24 18:01:32.632: E/AndroidRuntime(15404): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.eco4cloud/com.eco4cloud.activities.Main}: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.eco4cloud/com.eco4cloud.activities.Datacenters}; have you declared this activity in your AndroidManifest.xml?
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2079)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2104)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.ActivityThread.access$600(ActivityThread.java:132)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1157)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.os.Handler.dispatchMessage(Handler.java:99)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.os.Looper.loop(Looper.java:137)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.ActivityThread.main(ActivityThread.java:4575)
05-24 18:01:32.632: E/AndroidRuntime(15404): at java.lang.reflect.Method.invokeNative(Native Method)
05-24 18:01:32.632: E/AndroidRuntime(15404): at java.lang.reflect.Method.invoke(Method.java:511)
05-24 18:01:32.632: E/AndroidRuntime(15404): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
05-24 18:01:32.632: E/AndroidRuntime(15404): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
05-24 18:01:32.632: E/AndroidRuntime(15404): at dalvik.system.NativeStart.main(Native Method)
05-24 18:01:32.632: E/AndroidRuntime(15404): Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.eco4cloud/com.eco4cloud.activities.Datacenters}; have you declared this activity in your AndroidManifest.xml?
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1508)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1384)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.Activity.startActivityForResult(Activity.java:3190)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.Activity.startActivity(Activity.java:3297)
05-24 18:01:32.632: E/AndroidRuntime(15404): at com.eco4cloud.controllers.MainController.startDatacenters(MainController.java:46)
05-24 18:01:32.632: E/AndroidRuntime(15404): at com.eco4cloud.activities.Main.verifyAndSignIn(Main.java:117)
05-24 18:01:32.632: E/AndroidRuntime(15404): at com.eco4cloud.activities.Main.onCreate(Main.java:53)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.Activity.performCreate(Activity.java:4465)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
05-24 18:01:32.632: E/AndroidRuntime(15404): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2033)
05-24 18:01:32.632: E/AndroidRuntime(15404): ... 11 more
Someone can help me??
I don't know if the problem is with the package name or others things :(
I am not sure what you are trying to do.
But a couple of suggestions to try.
package="com.eco4cloud.activities"
// make sure package name is right.
// probably it should be as above.
Mention the package name as above
Since you have explicit intent you don't require a intent-filter
// use this assuming Datacenters is in package com.eco4cloud.activities
// also assuming package="com.eco4cloud.activities"
<activity
android:name=".Datacenters"
android:label="#string/app_name" >
</activity>
If package="com.eco4cloud" try the below
<activity
android:name="com.eco4cloud.activities.Datacenters"
android:label="#string/app_name" >
</activity>
If you are starting a activity in a non-activity class
public void startDatacenters() {
Intent intent = new Intent(context, Datacenters.class);
// assuming context is the activity content
context.startActivity(intent);
//in your case you have activity.startActivity(intent)
// not sure what activity is
}
try providing the fully qualified name of the activity in the app manifest "com.eco4cloud.activities.Datacenters" instead of just ".activities.Datacenters"
you can use like that
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.eco4cloud"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<activity
android:name="com.eco4cloud.activities.Main"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.eco4cloud.activities.Datacenters"
android:label="#string/app_name" >
<intent-filter>
<action android:name="com.eco4cloud.activities.DATACENTERS" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
</application>
</manifest>
Related
EDIT: STILL NEED HELP >:( Logcat added, as well as the manifest fix I can use for emulators only but not physical devices. If I transfer file to APK and load onto my device the manifest.xml file for that project just reverts to the second copy of the manifest.xml file.
I had this code working literally 5 minutes ago where the whole app would run a welcome screen, 6 different "flash cards", and an exit screen with button transitions. Now all of a sudden if I push any button the app crashes. Just says app has stopped working unexpectedly. I would put the logcat, but the error message is always dealing with the activity missing in the manifest. I am getting frustrated and just want to sleep.
logcat I get for the bottom manifest file that it always goes to. If it manually add the others then I do not get it. DOES NOT WORK WHEN TURNING PROJECT INTO APK FORMAT
11-04 05:29:01.912: D/gralloc_goldfish(819): Emulator without GPU emulation detected.
11-04 05:29:04.302: D/AndroidRuntime(819): Shutting down VM
11-04 05:29:04.302: W/dalvikvm(819): threadid=1: thread exiting with uncaught exception (group=0x41465700)
11-04 05:29:04.382: E/AndroidRuntime(819): FATAL EXCEPTION: main
11-04 05:29:04.382: E/AndroidRuntime(819): android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.androidassignment2/com.example.androidassignment2.MainActivity}; have you declared this activity in your AndroidManifest.xml?
11-04 05:29:04.382: E/AndroidRuntime(819): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1628)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1424)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.app.Activity.startActivityForResult(Activity.java:3390)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.app.Activity.startActivityForResult(Activity.java:3351)
11-04 05:29:04.382: E/AndroidRuntime(819): at com.example.androidassignment2.Startup$1.onClick(Startup.java:22)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.view.View.performClick(View.java:4240)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.view.View$PerformClick.run(View.java:17721)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.os.Handler.handleCallback(Handler.java:730)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.os.Handler.dispatchMessage(Handler.java:92)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.os.Looper.loop(Looper.java:137)
11-04 05:29:04.382: E/AndroidRuntime(819): at android.app.ActivityThread.main(ActivityThread.java:5103)
11-04 05:29:04.382: E/AndroidRuntime(819): at java.lang.reflect.Method.invokeNative(Native Method)
11-04 05:29:04.382: E/AndroidRuntime(819): at java.lang.reflect.Method.invoke(Method.java:525)
11-04 05:29:04.382: E/AndroidRuntime(819): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
11-04 05:29:04.382: E/AndroidRuntime(819): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
11-04 05:29:04.382: E/AndroidRuntime(819): at dalvik.system.NativeStart.main(Native Method)
working manifest file fix
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.androidassignment2"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<activity
android:name="com.example.androidassignment2.Startup"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.example.androidassignment2.DisplayMessageActivity"
android:label="#string/title_activity_display_message"
android:parentActivityName="com.example.AndroidAssignment2.MainActivity" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.example.AndroidAssignment2.MainActivity" />
</activity>
<activity
android:name="com.example.androidassignment2.AndroidAssignment2_1" >
</activity>
<activity
android:name="com.example.androidassignment2.AndroidAssignment2_2" >
</activity>
<activity
android:name="com.example.androidassignment2.AndroidAssignment2_3" >
</activity>
<activity
android:name="com.example.androidassignment2.AndroidAssignment2_4" >
</activity>
<activity
android:name="com.example.androidassignment2.AndroidAssignment2_5" >
</activity>
<activity
android:name="com.example.androidassignment2.AndroidAssignment2" >
</activity>
<activity
android:name="com.example.androidassignment2.MainActivity" >
</activity>
</application>
</manifest>
all of the activities just go away once put into apk
this happens to the manifest file after putting the project into apk
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.androidassignment2"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<activity
android:name="com.example.androidassignment2.Startup"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.example.androidassignment2.DisplayMessageActivity"
android:label="#string/title_activity_display_message"
android:parentActivityName="com.example.AndroidAssignment2.MainActivity" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.example.AndroidAssignment2.MainActivity" />
</activity>
</application>
</manifest>
EDIT: Before and after manifests.
LOGCAT JUST SAYS ACTIVITY NOT FOUND DECLARE IN MANIFEST
I have finally finished my app and everything was working fine. I went back to add in the admob stuff and now it will not start in the emulator. it says it successfully installed the app on the emulator but it does not launch and the icon is not visible to try to manually run. I think the manifest is where my error is but I am unsure.
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.androidsleepmachine.gamble"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="16"
android:targetSdkVersion="18" />
<uses-permission android:name="android.permission.WAKE_LOCK" >
</uses-permission>
<uses-permission android:name="android.permission.Internet" >
</uses-permission>
<uses-permission android:name="android.permission.Write_EXTERNAL_STORAGE" >
</uses-permission>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" >
</uses-permission>
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<activity
android:name="com.google.ads.AdActivity"
android:configChanges="keyboard|keyboardHidden|orientation"
></activity>
<activity
android:name=".Splash"
android:label="#string/app_name"
android:theme="#android:style/Theme.Dialog" >
<intent-filter>
<action android:name="com.AndroidSleepMachine.gamble.SPLASH" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name="com.AndroidSleepMachine.gamble.HOME"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".About"
android:label="#string/app_name"
android:theme="#android:style/Theme.Dialog" >
<intent-filter>
<action android:name="com.AndroidSleepMachine.gamble.ABOUT" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity android:name="com.androidsleepmachine.gamble.Ship" />
<activity android:name="com.androidsleepmachine.gamble.OceanThunder" />
<activity android:name="com.androidsleepmachine.gamble.Ocean" />
<activity android:name="com.androidsleepmachine.gamble.Forest" />
<activity android:name="com.androidsleepmachine.gamble.Rain" />
<activity android:name="com.androidsleepmachine.gamble.Thunderbirds" />
<activity android:name="com.androidsleepmachine.gamble.Meditation" />
<activity android:name="com.androidsleepmachine.gamble.Focus" />
<activity android:name="com.androidsleepmachine.gamble.Pain" />
</application>
</manifest>
logcat files
09-23 13:17:47.582: E/AndroidRuntime(1563): FATAL EXCEPTION: main
09-23 13:17:47.582: E/AndroidRuntime(1563): java.lang.RuntimeException: Unable to
instantiate activity
ComponentInfo{com.androidsleepmachine.gamble/com.AndroidSleepMachine.gamble.HOME}:
java.lang.ClassNotFoundException: com.AndroidSleepMachine.gamble.HOME
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1983)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.app.ActivityThread.access$600(ActivityThread.java:130)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.os.Handler.dispatchMessage(Handler.java:99)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.os.Looper.loop(Looper.java:137)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.app.ActivityThread.main(ActivityThread.java:4745)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
java.lang.reflect.Method.invokeNative(Native Method)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
java.lang.reflect.Method.invoke(Method.java:511)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
dalvik.system.NativeStart.main(Native Method)
09-23 13:17:47.582: E/AndroidRuntime(1563): Caused by:
java.lang.ClassNotFoundException: com.AndroidSleepMachine.gamble.HOME
09-23 13:17:47.582: E/AndroidRuntime(1563): at
dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
java.lang.ClassLoader.loadClass(ClassLoader.java:501)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
java.lang.ClassLoader.loadClass(ClassLoader.java:461)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.app.Instrumentation.newActivity(Instrumentation.java:1053)
09-23 13:17:47.582: E/AndroidRuntime(1563): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1974)
It looks like your main activity name is incorrect. Java is case sensitive and your application package name is
package="com.androidsleepmachine.gamble"
while your main activity class name is
com.AndroidSleepMachine.gamble.HOME
The ClassNotFoundException is being thrown because your Activity class name is incorrect in the manifest and isn't being found by the class loader.
It cannot find a class called:
com.AndroidSleepMachine.gamble.HOME
Why is "AndroidSleepMachine" using capital letters?
Why not just use:
android:name=".HOME"
...if your class is indeed called HOME.java? Case-sensitivity may be causing your issue.
com.AndroidSleepMachine.gamble.HOME is not the same as com.androidsleepmachine.gamble.HOME
I am working on an Android Project of using goolge map.
But when I try to run it on a tablet or HTC phone, it says the application has stopped unexpectedly. What kind of setting do I need to do, like adding library files and etc.
I have used my API key as well, so if this apps runs on a device, can I view the map or only the grid? what do we mean by signing the app?
MainActivity.java
package com.sulav.maptravis2;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
import android.os.Bundle;
import android.view.Menu;
public class MainActivity extends MapActivity {
MapView map;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
try{
map=(MapView) findViewById(R.id.mvMain);
map.setBuiltInZoomControls(true);
}
catch(Exception e){}
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
#Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
}
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<com.google.android.maps.MapView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="#+id/mvMain"
android:apiKey="AIzaSyBxPKfOUpiOK981HFNcXi6szt0Dn__tQko"
/>
</RelativeLayout>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.sulav.maptravis2"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="7"
android:targetSdkVersion="8" />
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<uses-library android:name="com.google.android.maps"/>
<activity
android:name="com.sulav.maptravis2.MainActivity"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
logcat output:
05-24 12:06:46.285: I/dalvikvm(7686): Could not find method android.security.MessageDigest.getInstance, referenced from method com.google.android.maps.KeyHelper.getSignatureFingerprint
05-24 12:06:46.285: W/dalvikvm(7686): VFY: unable to resolve static method 153: Landroid/security/MessageDigest;.getInstance (Ljava/lang/String;)Landroid/security/MessageDigest;
05-24 12:06:46.285: D/dalvikvm(7686): VFY: replacing opcode 0x71 at 0x0038
05-24 12:06:46.295: D/AndroidRuntime(7686): Shutting down VM
05-24 12:06:46.295: W/dalvikvm(7686): threadid=1: thread exiting with uncaught exception (group=0x409fe1f8)
05-24 12:06:46.305: E/AndroidRuntime(7686): FATAL EXCEPTION: main
05-24 12:06:46.305: E/AndroidRuntime(7686): java.lang.NoClassDefFoundError: android.security.MessageDigest
05-24 12:06:46.305: E/AndroidRuntime(7686): at com.google.android.maps.KeyHelper.getSignatureFingerprint(KeyHelper.java:60)
05-24 12:06:46.305: E/AndroidRuntime(7686): at com.google.android.maps.MapActivity.createMap(MapActivity.java:552)
05-24 12:06:46.305: E/AndroidRuntime(7686): at com.google.android.maps.MapActivity.onCreate(MapActivity.java:422)
05-24 12:06:46.305: E/AndroidRuntime(7686): at com.sulav.maptravis2.MainActivity.onCreate(MainActivity.java:13)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.app.Activity.performCreate(Activity.java:4465)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.app.ActivityThread.access$600(ActivityThread.java:123)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.os.Handler.dispatchMessage(Handler.java:99)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.os.Looper.loop(Looper.java:137)
05-24 12:06:46.305: E/AndroidRuntime(7686): at android.app.ActivityThread.main(ActivityThread.java:4424)
05-24 12:06:46.305: E/AndroidRuntime(7686): at java.lang.reflect.Method.invokeNative(Native Method)
05-24 12:06:46.305: E/AndroidRuntime(7686): at java.lang.reflect.Method.invoke(Method.java:511)
05-24 12:06:46.305: E/AndroidRuntime(7686): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
05-24 12:06:46.305: E/AndroidRuntime(7686): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
05-24 12:06:46.305: E/AndroidRuntime(7686): at dalvik.system.NativeStart.main(Native Method)
Not sure if you just failed to paste it in but it appears your layout is missing this at the top.
<?xml version="1.0" encoding="utf-8"?>
Regardless check this link out:
What is 'android.security.MessageDigest''?
am getting this exception:
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{business.premium/business.premium.Problemio}:
java.lang.ClassNotFoundException: business.premium.Problemio
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
at android.app.ActivityThread.access$600(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: business.premium.Problemio
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871)
... 11 more
java.lang.ClassNotFoundException: business.premium.Problemio
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
at android.app.ActivityThread.access$600(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
it says that class is not there, but it IS there. I tried to configure things in my project's build path, but not too sure what to tweak there.
And here is how I start my Manifest file:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="business.premium"
android:versionCode="1"
android:versionName="1.0" >
<supports-screens android:largeScreens="true" android:normalScreens="true" android:smallScreens="true"/>
<uses-sdk android:minSdkVersion="4" android:targetSdkVersion="15"/>
<uses-permission android:name="android.permission.INTERNET" />
<application
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/CustomTheme"
android:name="MyApplication"
android:debuggable="true">
<activity
android:name=".Problemio"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
Any thoughts on how to solve this, or what to look into? Thanks!
Its because you specified the "android:name" attribute in the application node in the manifest file.
Do not use the android:name attribute!
It, misleadingly, does not have anything to do with the name of your app and is actually the name of an extra class to load before loading your application. That's why you are getting the ClassNotFoundException.
Remove it and it should work:
<application
android:icon="#drawable/icon"
android:label="#string/app_name"
android:description="#string/help_text" >
This answer is taken from: java.lang.ClassNotFoundException on working app
Can someone please tell me how to fix my problem? I'm building my first android app and below is the error codes I get when application is launched in Emulator.
Thank you
04-12 21:07:03.480: D/AndroidRuntime(327): Shutting down VM
04-12 21:07:03.480: W/dalvikvm(327): threadid=1: thread exiting with uncaught exception(group=0x40015560)
04-12 21:07:03.580: E/AndroidRuntime(327): FATAL EXCEPTION: main
04-12 21:07:03.580: E/AndroidRuntime(327): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{obd.gss.namespace/obd.gss.namespace.activity.Gssobdreadermainactivity}: java.lang.ClassNotFoundException: obd.gss.namespace.activity.Gssobdreadermainactivity in loader dalvik.system.PathClassLoader[/data/app/obd.gss.namespace-1.apk]
04-12 21:07:03.580: E/AndroidRuntime(327): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569)
04-12 21:07:03.580: E/AndroidRuntime(327): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
04-12 21:07:03.580: E/AndroidRuntime(327): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
04-12 21:07:03.580: E/AndroidRuntime(327): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
04-12 21:07:03.580: E/AndroidRuntime(327): at android.os.Handler.dispatchMessage(Handler.java:99)
04-12 21:07:03.580: E/AndroidRuntime(327): at android.os.Looper.loop(Looper.java:123)
04-12 21:07:03.580: E/AndroidRuntime(327): at android.app.ActivityThread.main(ActivityThread.java:3683)
04-12 21:07:03.580: E/AndroidRuntime(327): at java.lang.reflect.Method.invokeNative(Native Method)
04-12 21:07:03.580: E/AndroidRuntime(327): at java.lang.reflect.Method.invoke(Method.java:507)
04-12 21:07:03.580: E/AndroidRuntime(327): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
04-12 21:07:03.580: E/AndroidRuntime(327): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
04-12 21:07:03.580: E/AndroidRuntime(327): at dalvik.system.NativeStart.main(Native Method)
04-12 21:07:03.580: E/AndroidRuntime(327): Caused by: java.lang.ClassNotFoundException: obd.gss.namespace.activity.Gssobdreadermainactivity in loader dalvik.system.PathClassLoader[/data/app/obd.gss.namespace-1.apk]
04-12 21:07:03.580: E/AndroidRuntime(327): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
04-12 21:07:03.580: E/AndroidRuntime(327): at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
04-12 21:07:03.580: E/AndroidRuntime(327): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
04-12 21:07:03.580: E/AndroidRuntime(327): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
04-12 21:07:03.580: E/AndroidRuntime(327): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561)
04-12 21:07:03.580: E/AndroidRuntime(327): ... 11 more
Here are the contents of my manifest:
<uses-sdk android:minSdkVersion="10" />
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<uses-permission android:name="android.permission.BLUETOOTH"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION"></uses-permission>
<uses-permission android:name="android.permission.CONTROL_LOCATION_UPDATES"></uses-permission>
<uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>
<application
android:icon="#drawable/icon"
android:label="#string/app_name">
<activity android:name=".Activity.Gssobdreadermainactivity"
android:label="#string/app_name"
android:screenOrientation="portrait"
android:launchMode="singleInstance">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".Activity.Gssobdreaderconfigactivity"
android:label="#string/app_name">
</activity>
<activity android:name=".activity.Gssobdreadercommandactivity"
android:label="#string/app_name"
android:screenOrientation="portrait">
</activity>
<service android:name="io.GssobdReaderService"/>
</application>
The cause of your problem is:
java.lang.ClassNotFoundException: obd.gss.namespace.activity.Gssobdreadermainactivity
Did you forget to add your Activity to your manifest?
Your Manifest should look something like:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="obd.gss.namespace"
android:versionCode="1"
android:versionName="1.0" >
<!-- permissions and other stuff here -->
<application
android:icon="#drawable/icon"
android:label="#string/app_name">
<activity android:name=".activity.Gssobdreadermainactivity"
android:label="#string/app_name"
android:screenOrientation="portrait"
android:launchMode="singleInstance">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<!--more activities and services here -->
</application>
</manifest>
Note that the combination of the manifest tag's package attribute and the activity tag's name attribute should be exactly the same as the fully qualified name of your class. Using my above example, you would wind up with:
obd.gss.namespace.activity.Gssobdreadermainactivity
I've had a similar issue, particularly with newly imported projects. The closest thing to a solution I've found is to make sure the .classpath file is writable, restart Eclipse(or whichever IDE you use), refresh the project, clean and build the project and try again. This doesn't always fix it, but doing it a couple times usually makes the error go away for me. The essence of the error is that the Android OS can't find the Activity, although it does know that the Activity should exist and is trying to launch it.
What does your source tree look like? You probably need to remove the .activity. and .Activity. prefixes from your applications fully quallified class name. Unless, of course, you have an "activity" and an "Activity" folder in your source tree (=