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• ScoreNinja causes java.lang.RuntimeException: Can't create handler inside thread that has not called

  - by sirconnorstack

  I'm trying to add ScoreNinja, the global high score system, to my Android game, and it works fine when I load it on my phone, but when I release it into the wild, I got crash reports saying: java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare() Here is part of the call stack: android.os.Handler.<init>(Handler.java:121) android.app.Dialog.<init>(Dialog.java:99) android.app.AlertDialog.<init>(AlertDialog.java:65) android.app.AlertDialog.<init>(AlertDialog.java:61) android.app.AlertDialog$Builder.create(AlertDialog.java:797) android.app.AlertDialog$Builder.show(AlertDialog.java:812) com.scoreninja.adapter.ScoreNinjaAdapter.show(ScoreNinjaAdapter.java:136) com.scoreninja.adapter.ScoreNinjaAdapter.show(ScoreNinjaAdapter.java:99) I thought the main thread had prepare() called automatically, and if not, why would it work fine for me but not anyone else?

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• How do I put static data into an SQLite database in Android?

  - by sirconnorstack

  If I have a bunch of data that is never going to change (eg. an English language dictionary or the rgb values of a couple hundred color names), how do I use an SQLite database to store it? I know a database is faster than loading everything into memory when the app starts, but how do I make the database either the first time the app runs or "before" the apps ever runs?

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• Android game goes blank after pressing home and restarting

  - by sirconnorstack

  I am making an Android game with an Activity called Game, a SurfaceView called GameView and a Thread called GameThread. The Game's onCreate(), I make a new GameView, which makes a new GameThread, where all the game logic and canvas drawing is carried out. However, I'm having some lifecycle difficulties. When I press back and restart it, it works fine, but when I press home and restart it, all I see is a blank screen. Here are the GameView's onSurfaceCreated() and onSurfaceDestroyed(): @Override public void surfaceCreated(SurfaceHolder holder) { mThread.mRunning = true; mThread.mWidth = getWidth(); if(mThread.mWidth > 550) mThread.mWidth = 550; mThread.mHeight = getHeight(); try { mThread.start(); } catch(IllegalThreadStateException e) { } } @Override public void surfaceDestroyed(SurfaceHolder holder) { // Wait for the secondary thread to end before finishing boolean retry = true; mThread.mRunning = false; while (retry) { try { mThread.join(); retry = false; } catch (InterruptedException e) { } } }

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• My Android game runs out of memory when it is closed and opened and couple times.

  - by sirconnorstack

  I have an Android game that has an activity for the menu, and then another activity for the game that creates a SurfaceView and Thread to deal with canvas drawing and game logic. When you exit the game and start it up again too much or if you open and close the keyboard (thus restarting the activity), the game runs out of memory, usually when loading a bitmap: java.lang.OutOfMemoryError: bitmap size exceeds VM budget How can I keep all my images in memory without loading them again when the game changes state, or how can I release them from memory and let them reload when the game is restarted?

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