my contacts app stops when i try to write or update to my SQLite database

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http://stackoverflow.com – my app seems to stop everytime i try to add new contacts or update existing ones my app is simple , i make the user enter the data of his contacts (firstname, lastname,mobile...etc) and he saves it to a database then he can see it in the main list view (notdone yet :) ) and then he can choose which contact to be displayed inorder to edit or delete him can you help me with those crashes please?? below is the database class import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.sqlite.SQLiteOpenHelper; import android.view (HowTos)