Where is the getApplication() method defined? My initial thought would be that it is returning null for some reason and you are not checking for that... perhaps with a try catch block or a simple null check... But I can't tell for sure without seeing this method.
What does logcat say about the cause? Thanks, Justin ---------------------------------------------------------------------- There are only 10 types of people in the world... Those who know binary and those who don't. ---------------------------------------------------------------------- On Tue, May 11, 2010 at 8:02 AM, Jon Jacob <[email protected]> wrote: > I am a newbie both to Java and Android and have been reading the book > "Unlocking Android" and trying to learn by adapting their code to my > ideas for a project to play with and learn Android. > > But, I have run into a brick wall that I need help with. The > following code gives me a force close when I click the submit button, > and I don't know why. (Good debugging tips would be nice too.) > > Its the line: > > BoardGameFinderApplication application = (BoardGameFinderApplication) > getApplication(); > > that seems to be causing the crash. I just don't understand why? All > indications are that I am using it correctly. What am I missing? > > Here is the code: > > From my main activity class: > > import java.util.ArrayList; > > import android.app.Activity; > import android.content.Intent; > import android.os.Bundle; > import android.os.Debug; > import android.view.View; > import android.view.View.OnClickListener; > import android.widget.Button; > import android.widget.EditText; > import android.widget.TextView; > > public class BoardgameCriteria1 extends Activity { > > private Button grabGames; > private TextView introText; > private EditText gameName; > ArrayList<String> bglNames = new ArrayList<String>(); > private String s; > > > @Override > public void onCreate(Bundle icicle) { > super.onCreate(icicle); > > setContentView(R.layout.main); > this.introText = (TextView) findViewById(R.id.IntroText); > this.gameName = (EditText) findViewById(R.id.GameName); > this.grabGames = (Button) findViewById(R.id.Submit); > > // get the board game names when submit button hit > this.grabGames.setOnClickListener( > new OnClickListener() { > public void onClick(View v) { > handleGetReviews(); > } > }); > } > > private void handleGetReviews() { > > BoardGameFinderApplication application = > (BoardGameFinderApplication) getApplication(); > > application.setBoardGameCriteriaName(this.gameName.getText().toString()); > Intent intent = new Intent(this.getApplicationContext(), > GameList1.class); > startActivity(intent); > } > } > > .... and the BoardGameFinderApplication class: > > public class BoardGameFinderApplication extends Application { > > private BoardGame currentBoardGame; > private String gameCriteriaName; > > public BoardGameFinderApplication() { > super(); > } > > @Override > public void onCreate() { > super.onCreate(); > } > > @Override > public void onTerminate() { > super.onTerminate(); > } > > public BoardGame getCurrentBoardGame() { > return this.currentBoardGame; > } > > public String getBoardGameCriteriaName() { > return this.gameCriteriaName; > } > > > public void setCurrentBoardGame(BoardGame currentBoardGame) { > this.currentBoardGame = currentBoardGame; > } > > public void setBoardGameCriteriaName(String boardGameCriteriaName) > { > this.gameCriteriaName = boardGameCriteriaName; > } > > } > > -- > You received this message because you are subscribed to the Google > Groups "Android Beginners" group. > > NEW! Try asking and tagging your question on Stack Overflow at > http://stackoverflow.com/questions/tagged/android > > To unsubscribe from this group, send email to > [email protected]<android-beginners%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-beginners?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Beginners" group. NEW! Try asking and tagging your question on Stack Overflow at http://stackoverflow.com/questions/tagged/android To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en
