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I'm writing an app that stores a String in an SQLite database, which represents the filepath of an image on the /sdcard/. I have this code in the onCreate() one of my activities:

final Intent receivedIntent = getIntent();

String imageStr = receivedIntent.getExtras().getString("picture");
ImageView imageView = (ImageView) findViewById(R.id.pPicture);
File file = new File (imageStr);
if (file.exists()) {
   Bitmap bitmap = BitmapFactory.decodeFile(imageStr);
   imageView.setImageBitmap(bitmap);
}

The code works when I'm first loading the activity, but when I switch between screen orientations, it crashes my application. Any ideas on what I can do to fix this? I'd like to bee able to continue switching between orientations, but I don't need to refresh each time.

Also, I'm somewhat new, so please try to keep your answers not too complicated if possible.

Note that the file does exist in all cases.

4

1 に答える 1

3

が原因でアプリがクラッシュすると思いますOutOfMemoryException。でビットマップを再循環してみてくださいonDestroy()：

@Override
public void onDestroy() {
    super.onDestroy();

    ImageView imageView = (ImageView) findViewById(R.id.pPicture);
    Drawable drawable = imageView.getDrawable();
    imageView.setImageDrawable(null);

    if (drawable instanceof BitmapDrawable) {
        Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
        bitmap.recycle();
        bitmap = null;
    }
}
于 2011-08-30T16:47:03.703 に答える