private synchronized void savePic() {
if (mSavePhotoTask != null) {
return;
}
final String url = mPreviewImages.get(mContentHvp.getCurrentItem());
File file;
if (url.startsWith("file")) {
file = new File(url.replace("file://", ""));
if (file.exists()) {
MQUtils.showSafe(
MQPhotoPreviewActivity.this,
getString(
MQResUtils.getResStringID("mq_save_img_success_folder"),
file.getParentFile().getAbsolutePath()));
return;
}
}
// 通过MD5加密url生成文件名，避免多次保存同一张图片
file = new File(mSaveImgDir, MQUtils.stringToMD5(url) + ".png");
if (file.exists()) {
MQUtils.showSafe(
this,
getString(
MQResUtils.getResStringID("mq_save_img_success_folder"),
mSaveImgDir.getAbsolutePath()));
return;
}
mSavePhotoTask = new MQSavePhotoTask(this, this, file);
MQImage.downloadImage(
this,
url,
new MQImageLoader.MQDownloadImageListener() {
@Override
public void onSuccess(String url, Bitmap bitmap) {
mSavePhotoTask.setBitmapAndPerform(bitmap);
}
@Override
public void onFailed(String url) {
mSavePhotoTask = null;
MQUtils.showSafe(
MQPhotoPreviewActivity.this, MQResUtils.getResStringID("mq_save_img_failure"));
}
});
}
@Override
public View instantiateItem(ViewGroup container, int position) {
final MQImageView imageView = new MQImageView(container.getContext());
container.addView(
imageView, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
final MQBrowserPhotoViewAttacher photoViewAttacher =
new MQBrowserPhotoViewAttacher(imageView);
photoViewAttacher.setOnViewTapListener(MQPhotoPreviewActivity.this);
imageView.setDrawableChangedCallback(
new MQImageView.OnDrawableChangedCallback() {
@Override
public void onDrawableChanged(Drawable drawable) {
if (drawable != null
&& drawable.getIntrinsicHeight() > drawable.getIntrinsicWidth()
&& drawable.getIntrinsicHeight()
> MQUtils.getScreenHeight(imageView.getContext())) {
photoViewAttacher.setIsSetTopCrop(true);
photoViewAttacher.setUpdateBaseMatrix();
} else {
photoViewAttacher.update();
}
}
});
MQImage.displayImage(
MQPhotoPreviewActivity.this,
imageView,
mPreviewImages.get(position),
MQResUtils.getResDrawableID("mq_ic_holder_dark"),
MQResUtils.getResDrawableID("mq_ic_holder_dark"),
MQUtils.getScreenWidth(MQPhotoPreviewActivity.this),
MQUtils.getScreenHeight(MQPhotoPreviewActivity.this),
null);
return imageView;
}