“Unfortunately My App has stopped” [closed]

Answer 1

The package names in your manifest file dont add up IMO. First try to correct them;

package="com.example.techtips"

and

   <activity
        android:name="com.techblogon.activitylifecycleexample.MainActivity"
        android:label="@string/app_name" >

Try changing the second to:

 <activity
        android:name=".MainActivity"
        android:label="@string/app_name" >