Android:如何让后台和UI线程同时运行?
我需要在非UI线程上运行一个网络进程,同时运行一个UI线程,以通知用户进程正在运行,并且应用程序没有冻结,并且在网络连接给出响应之前不允许执行下一个代码块 做这件事最好的方法是什么?是方法Android:如何让后台和UI线程同时运行?,android,multithreading,Android,Multithreading,我需要在非UI线程上运行一个网络进程,同时运行一个UI线程,以通知用户进程正在运行,并且应用程序没有冻结,并且在网络连接给出响应之前不允许执行下一个代码块 做这件事最好的方法是什么?是方法 private class DownloadFilesTask extends AsyncTask<URL, Integer, Long> { protected Long doInBackground(URL... urls) { int count = urls.l
private class DownloadFilesTask extends AsyncTask<URL, Integer, Long> {
protected Long doInBackground(URL... urls) {
int count = urls.length;
long totalSize = 0;
for (int i = 0; i < count; i++) {
totalSize += Downloader.downloadFile(urls[i]);
publishProgress((int) ((i / (float) count) * 100));
// Escape early if cancel() is called
if (isCancelled()) break;
}
return totalSize;
}
protected void onProgressUpdate(Integer... progress) {
setProgressPercent(progress[0]);
}
protected void onPostExecute(Long result) {
showDialog("Downloaded " + result + " bytes");
}
}
私有类下载文件任务扩展异步任务{
受保护的长doInBackground(URL…URL){
int count=url.length;
长totalSize=0;
for(int i=0;i
是一条路要走
private class DownloadFilesTask extends AsyncTask<URL, Integer, Long> {
protected Long doInBackground(URL... urls) {
int count = urls.length;
long totalSize = 0;
for (int i = 0; i < count; i++) {
totalSize += Downloader.downloadFile(urls[i]);
publishProgress((int) ((i / (float) count) * 100));
// Escape early if cancel() is called
if (isCancelled()) break;
}
return totalSize;
}
protected void onProgressUpdate(Integer... progress) {
setProgressPercent(progress[0]);
}
protected void onPostExecute(Long result) {
showDialog("Downloaded " + result + " bytes");
}
}
私有类下载文件任务扩展异步任务{
受保护的长doInBackground(URL…URL){
int count=url.length;
长totalSize=0;
for(int i=0;i
是一条路要走
private class DownloadFilesTask extends AsyncTask<URL, Integer, Long> {
protected Long doInBackground(URL... urls) {
int count = urls.length;
long totalSize = 0;
for (int i = 0; i < count; i++) {
totalSize += Downloader.downloadFile(urls[i]);
publishProgress((int) ((i / (float) count) * 100));
// Escape early if cancel() is called
if (isCancelled()) break;
}
return totalSize;
}
protected void onProgressUpdate(Integer... progress) {
setProgressPercent(progress[0]);
}
protected void onPostExecute(Long result) {
showDialog("Downloaded " + result + " bytes");
}
}
私有类下载文件任务扩展异步任务{
受保护的长doInBackground(URL…URL){
int count=url.length;
长totalSize=0;
for(int i=0;i
是一条路要走
private class DownloadFilesTask extends AsyncTask<URL, Integer, Long> {
protected Long doInBackground(URL... urls) {
int count = urls.length;
long totalSize = 0;
for (int i = 0; i < count; i++) {
totalSize += Downloader.downloadFile(urls[i]);
publishProgress((int) ((i / (float) count) * 100));
// Escape early if cancel() is called
if (isCancelled()) break;
}
return totalSize;
}
protected void onProgressUpdate(Integer... progress) {
setProgressPercent(progress[0]);
}
protected void onPostExecute(Long result) {
showDialog("Downloaded " + result + " bytes");
}
}
私有类下载文件任务扩展异步任务{
受保护的长doInBackground(URL…URL){
int count=url.length;
长totalSize=0;
for(int i=0;i
如果我想在对话框中显示加载图标,而不是publishProgress的递增函数,该怎么办?我曾尝试使用AsyncTask来完成此任务,但只获得了一个处理程序来完成此任务work@Sorrow123444在onPreExecute中显示ProgressDialog,然后在onPostExecute中关闭。如果我想在对话框中显示加载图标,而不是使用publishProgress的递增函数,该怎么办?我曾尝试使用AsyncTask来完成此任务,但只获得了一个处理程序来完成此任务work@Sorrow123444在onPreExecute中显示ProgressDialog,然后在onPostExecute中关闭。如果我想在对话框中显示加载图标,而不是使用publishProgress的递增函数,该怎么办?我曾尝试使用AsyncTask来完成此任务,但只获得了一个处理程序来完成此任务work@Sorrow123444在onPreExecute中显示ProgressDialog,然后在onPostExecute中关闭。如果我想在对话框中显示加载图标,而不是使用publishProgress的递增函数,该怎么办?我曾尝试使用AsyncTask来完成此任务,但只获得了一个处理程序来完成此任务work@Sorrow123444在onPreExecute中显示ProgressDialog,然后在onPostExecute中关闭。