Question

I am preparing android application which is showing the following error:

03-21 17:30:41.988: E/AndroidRuntime(782):  at Newtons.law.background$1.run(background.java:23)
03-21 17:38:56.111: W/dalvikvm(798): threadid=11: thread exiting with uncaught exception (group=0x409c01f8)
03-21 17:38:56.118: E/AndroidRuntime(798): FATAL EXCEPTION: Thread-99
03-21 17:38:56.118: E/AndroidRuntime(798): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=Newtons.Law.Newton_LawsActivity }
03-21 17:38:56.118: E/AndroidRuntime(798):  at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1512)
03-21 17:38:56.118: E/AndroidRuntime(798):  at android.app.Instrumentation.execStartActivity(Instrumentation.java:1384)
03-21 17:38:56.118: E/AndroidRuntime(798):  at android.app.Activity.startActivityForResult(Activity.java:3190)
03-21 17:38:56.118: E/AndroidRuntime(798):  at android.app.Activity.startActivity(Activity.java:3297)
03-21 17:38:56.118: E/AndroidRuntime(798):  at Newtons.law.background$1.run(background.java:23)

my manifest file is as follow in the second activity is showing error

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="Newtons.law"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="15" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".background"
            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=".Newton_LawsActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="Newtons.law.Newton_LawsActivity" />

                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>
    </application>

</manifest>

Answer 1

ActivityNotFoundException it seems you didnt specify it in Android Manifest,

If So then add the activity in manifest, in application tag like this <activity android:name=".YourActivity"/>