What does it mean "No Launcher activity found!"


I am writing a simple program of Android, and getting these no errors, I don't know what they are. My program is right, but showing not output. I think it is because of these two lines:

[2005-01-06 19:56:38 - my_Android] No Launcher activity found!
[2005-01-06 19:56:38 - my_Android] The launch will only sync the application package on the device!
12/15/2012 7:24:14 PM

Accepted Answer

Here's an example from AndroidManifest.xml. You need to specify the MAIN and LAUNCHER in the intent filter for the activity you want to start on launch

<application android:label="@string/app_name" android:icon="@drawable/icon">
    <activity android:name="ExampleActivity"
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
4/19/2015 8:20:45 PM

Multiple action tags in a single intent-filter tag will also cause the same error.

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