所以我试图建立一个图库，显示SD卡上文件夹中的图像，而不是我可绘制文件夹中的图像。我有一个文件路径数组，我试图从库中的每个图像使用文件uri但是我得到一个运行时错误，导致应用程序在此行崩溃：
iView.setImageURI(Uri.fromFile(new File(files.get(arg0))));
以下是LogCat中错误的一部分:(它很大，所以我没有包含整个内容）
12-30 14:26:56.600: E/AndroidRuntime(4995): FATAL EXCEPTION: main
12-30 14:26:56.600: E/AndroidRuntime(4995): java.lang.OutOfMemoryError
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.graphics.BitmapFactory.nativeDecodeStream(Native Method)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:493)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:351)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:738)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.graphics.drawable.Drawable.createFromStream(Drawable.java:698)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.widget.ImageView.resolveUri(ImageView.java:530)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.widget.ImageView.setImageURI(ImageView.java:314)
12-30 14:26:56.600: E/AndroidRuntime(4995): at com.cp.Media$ImageAdapter.getView(Media.java:174)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.widget.Gallery.makeAndAddView(Gallery.java:748)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.widget.Gallery.fillToGalleryRight(Gallery.java:700)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.widget.Gallery.layout(Gallery.java:631)
12-30 14:26:56.600: E/AndroidRuntime(4995): at android.widget.Gallery.onLayout(Gallery.java:339)
以下是我的代码，有人知道我做错了吗？
ImageSwitcher iSwitcher;
private ArrayList<String> files = new ArrayList<String>();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.media);
files.add("/mnt/sdcard/DCIM/Camera/IMG_20111124_130713.jpg");
files.add("/mnt/sdcard/DCIM/Camera/IMG_20111031_072817.jpg");
files.add("/mnt/sdcard/DCIM/Camera/IMG_20111031_072750.jpg");
iSwitcher = (ImageSwitcher) findViewById(R.id.ImageSwitcher01);
iSwitcher.setFactory(this);
iSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,
android.R.anim.fade_in));
iSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,
android.R.anim.fade_out));
Gallery gallery = (Gallery) findViewById(R.id.Gallery01);
gallery.setAdapter(new ImageAdapter(this));
gallery.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
//iSwitcher.setImageResource(Uri.fromFile(new File(files.get(arg2))));
iSwitcher.setImageURI(Uri.fromFile(new File(files.get(arg2))));
}
});
}
public class ImageAdapter extends BaseAdapter {
private Context ctx;
public ImageAdapter(Context c) {
ctx = c;
}
@Override
public int getCount() {
return files.size();
}
@Override
public Object getItem(int arg0) {
return arg0;
}
@Override
public long getItemId(int arg0) {
return arg0;
}
@Override
public View getView(int arg0, View arg1, ViewGroup arg2) {
ImageView iView = new ImageView(ctx);
//THE LINE BELOW IS THE LINE THAT CAUSES THE ERROR IN LOGCAT
iView.setImageURI(Uri.fromFile(new File(files.get(arg0))));
iView.setScaleType(ImageView.ScaleType.FIT_XY);
iView.setLayoutParams(new Gallery.LayoutParams(150, 150));
return iView;
}
}
@Override
public View makeView() {
ImageView iView = new ImageView(this);
iView.setScaleType(ImageView.ScaleType.FIT_CENTER);
iView.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));
iView.setBackgroundColor(0xFF000000);
return iView;
}