Android Glide assert:java.lang.IllegalArgumentException:必须在主线程上调用此方法
是否有人使用Glide从背景线程获取图像?我不断得到这样的断言:Android Glide assert:java.lang.IllegalArgumentException:必须在主线程上调用此方法,android,multithreading,android-glide,Android,Multithreading,Android Glide,是否有人使用Glide从背景线程获取图像?我不断得到这样的断言: java.lang.IllegalArgumentException: You must call this method on the main thread 但根据这条线索,它应该起作用: 然而,我无法让它工作,除非我从主线程调用它 以下是我试图从主线程执行的操作: Glide.get(mContext); loadUserImage(userImageUrl); // wait 5 second
java.lang.IllegalArgumentException: You must call this method on the main thread
但根据这条线索,它应该起作用:
然而,我无法让它工作,除非我从主线程调用它
以下是我试图从主线程执行的操作:
Glide.get(mContext);
loadUserImage(userImageUrl);
// wait 5 seconds before trying again
int imageLoadingTimeOut = mContext.getResources().getInteger(R.integer.image_loading_time_out);
if (imageLoadingTimeOut > 0) {
new Timer().schedule(new TimerTask() {
@Override
public void run() {
if (!mUserImageLoaded) {
loadUserImage(userImageUrl);
}
}
}, imageLoadingTimeOut);
}
}
以及loadUserImage:
private boolean mUserImageLoaded = false;
private void loadUserImage(String userImageUrl) {
if (userImageUrl != null && !userImageUrl.isEmpty() && !mUserImageLoaded) {
Glide.with(mContext).using(Cloudinary.getUrlLoader(mContext)).load(userImageUrl).crossFade().listener(new RequestListener<String, GlideDrawable>() {
@Override
public boolean onException(Exception e, String model, Target<GlideDrawable> target, boolean isFirstResource) {
return false;
}
@Override
public boolean onResourceReady(GlideDrawable resource, String model, Target<GlideDrawable> target, boolean isFromMemoryCache, boolean isFirstResource) {
mImageMessageContent.invalidate();
mUserImageLoaded = true;
return false;
}
}).into(mImageMessageContent);
} else {
mImageMessageContent.setVisibility(View.GONE);
}
}
private boolean mUserImageLoaded=false;
私有void loadUserImage(字符串userImageUrl){
if(userImageUrl!=null&&!userImageUrl.isEmpty()&&&!mUserImageLoaded){
Glide.with(mContext).using(Cloudinary.geturloader(mContext)).load(userImageUrl.crossFade().listener(newrequestlistener()){
@凌驾
公共布尔onException(异常e、字符串模型、目标、布尔isFirstResource){
返回false;
}
@凌驾
公共布尔值onResourceReady(GlideDrawable资源、字符串模型、目标、布尔值isFromMemoryCache、布尔值isFirstResource){
mImageMessageContent.invalidate();
mUserImageLoaded=true;
返回false;
}
}).into(mImageMessageContent);
}否则{
mImageMessageContent.setVisibility(View.GONE);
}
}
mContext只是活动“this”指针
无论如何,我可以从不同于主线程的线程使用Glide吗?Glide的into(ImageView)
方法要求您仅在主线程上调用它,但当您将加载传递到计时器时,它将在后台
线程中执行
您可以通过调用get()
而不是into()
来检索位图,然后通过调用setImageBitmap()
在ImageView
上设置位图
您还可以查看此文档以了解更多信息。发布代码以防对他人有所帮助
Bitmap myBitmap = Glide.with(applicationContext)
.load(yourUrl)
.asBitmap()
.centerCrop()
.into(Target.SIZE_ORIGINAL,Target.SIZE_ORIGINAL)
.get()
imageView.setImageBitmap(myBitmap);
更新主ui线程中的图像
在我的例子中,我想用图像显示来自
FirebaseMessagingService
的通知,该图像将通过Glide
下载,使我成功的是这段代码:
try {
Bitmap bitmap= Glide.with(getApplicationContext())
.load(imageUrl) // image url in string
.asBitmap().into(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL).get();
// now i can pass bitmap to notificationBuilder like
notificationBuilder.setStyle(new NotificationCompat.BigPictureStyle().bigPicture(bitmap));
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
私有类AsyncTaskRunner扩展了AsyncTask
{
进行对话进行对话;
@凌驾
受保护的void onPreExecute(){
progressDialog=progressDialog.show(MainActivity.this,
“请稍候”,
“图像正在加载…”);
}
@凌驾
受保护的RequestBuilder doInBackground(字符串…字符串){
URL=null;
试一试{
url=新url(字符串[0]);
}捕获(格式错误){
e、 printStackTrace();
}
RequestBuilder g=Glide.with(MainActivity.this).load(url);
返回g;
}
@凌驾
受保护的void onPostExecute(RequestBuilder v){
v、 进入(图像视图);
设置可见性(View.VISIBLE);
progressDialog.disclose();
}
}
以下是Kotlin way解决方案
Glide.with(context).asBitmap().load(photo_url).into(
BitmapImageViewTarget(imgYourResourceID)
)
我需要解密并在recyclerView中显示大型图像 因为这是一个繁重的过程,我必须在后台进行,所以这就是为什么:
public void decryptImage(Uri uri, ViewHolder holder) {
Runnable runnable = new Runnable() {
@Override
public void run() {
try {
Glide.with(G.context)
.asBitmap()
.load(decrypt(G.getEncryptionKey(), G.getConstantKey(), uri.getPath()))
.into(new SimpleTarget<Bitmap>() {
@Override
public void onResourceReady(Bitmap resource, Transition<? super Bitmap> transition) {
Glide.with(G.context).load(resource).into(holder.mImageView);
}
});
}
};
new Thread(runnable).start();
}
public-void-decryptImage(Uri,ViewHolder){
Runnable Runnable=新的Runnable(){
@凌驾
公开募捐{
试一试{
带(G.context)的滑动
.asBitmap()
.load(解密(G.getEncryptionKey()、G.getConstantKey()、uri.getPath())
.into(新的SimpleTarget(){
@凌驾
public void onResourceReady(位图资源,TransitionOn)不要在单独的线程中调用load方法或使该线程在onUi线程上运行。您可以详细说明一下吗?如何使其不在onUi线程上运行?我需要将ImageView指针传递给glide。此指针从主UI线程检索。
private class AsyncTaskRunner extends AsyncTask<String, String, RequestBuilder>
{
ProgressDialog progressDialog;
@Override
protected void onPreExecute() {
progressDialog = ProgressDialog.show(MainActivity.this,
"Please Wait",
"Image is loading...");
}
@Override
protected RequestBuilder<Drawable> doInBackground(String... strings) {
URL url = null;
try {
url = new URL(strings[0]);
} catch (MalformedURLException e) {
e.printStackTrace();
}
RequestBuilder<Drawable> g= Glide.with(MainActivity.this).load(url);
return g;
}
@Override
protected void onPostExecute(RequestBuilder v) {
v.into(imageView);
imageView.setVisibility(View.VISIBLE);
progressDialog.dismiss();
}
}
Glide.with(context).asBitmap().load(photo_url).into(
BitmapImageViewTarget(imgYourResourceID)
)
public void decryptImage(Uri uri, ViewHolder holder) {
Runnable runnable = new Runnable() {
@Override
public void run() {
try {
Glide.with(G.context)
.asBitmap()
.load(decrypt(G.getEncryptionKey(), G.getConstantKey(), uri.getPath()))
.into(new SimpleTarget<Bitmap>() {
@Override
public void onResourceReady(Bitmap resource, Transition<? super Bitmap> transition) {
Glide.with(G.context).load(resource).into(holder.mImageView);
}
});
}
};
new Thread(runnable).start();
}