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Code Issues Releases Wiki Activity

Put long-running operation into AsyncTask

This commit is contained in:
yulin2 2014-02-16 17:10:44 -06:00 committed by cketti
parent abc765e893
commit fa7118dab3
1 changed files with 16 additions and 7 deletions
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23
src/com/fsck/k9/view/AttachmentView.java
View File

@ -14,6 +14,7 @@ import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Environment;
import android.util.AttributeSet;
import android.util.Log;
@ -149,7 +150,7 @@ public class AttachmentView extends FrameLayout implements OnClickListener, OnLo
contentType = MimeUtility.getMimeTypeForViewing(part.getMimeType(), name);
TextView attachmentName = (TextView) findViewById(R.id.attachment_name);
TextView attachmentInfo = (TextView) findViewById(R.id.attachment_info);
ImageView attachmentIcon = (ImageView) findViewById(R.id.attachment_icon);
final ImageView attachmentIcon = (ImageView) findViewById(R.id.attachment_icon);
viewButton = (Button) findViewById(R.id.view);
downloadButton = (Button) findViewById(R.id.download);
if ((!MimeUtility.mimeTypeMatches(contentType, K9.ACCEPTABLE_ATTACHMENT_VIEW_TYPES))
@ -171,12 +172,20 @@ public class AttachmentView extends FrameLayout implements OnClickListener, OnLo
attachmentName.setText(name);
attachmentInfo.setText(SizeFormatter.formatSize(mContext, size));
Bitmap previewIcon = getPreviewIcon();
if (previewIcon != null) {
attachmentIcon.setImageBitmap(previewIcon);
} else {
attachmentIcon.setImageResource(R.drawable.attached_image_placeholder);
}
new AsyncTask<Void, Void, Bitmap>() {
protected Bitmap doInBackground(Void... asyncTaskArgs) {
Bitmap previewIcon = getPreviewIcon();
return previewIcon;
}
protected void onPostExecute(Bitmap previewIcon) {
if (previewIcon != null) {
attachmentIcon.setImageBitmap(previewIcon);
} else {
attachmentIcon.setImageResource(R.drawable.attached_image_placeholder);
}
}
}.execute();
return firstClassAttachment;
}