update download

Author: Justson

library/src/main/java/com/just/library/DefaultDownLoaderImpl.java

@@ -31,7 +31,7 @@ public class DefaultDownLoaderImpl implements DownloadListener, DownLoadResultLi
     private boolean enableIndicator;
     private volatile static int NoticationID = 1;
     private List<DownLoadResultListener> mDownLoadResultListeners;
-    private LinkedList<String> mList = new LinkedList<>();
+    static LinkedList<String> mList = null;
     private WeakReference<Activity> mActivityWeakReference = null;
     private DefaultMsgConfig.DownLoadMsgConfig mDownLoadMsgConfig = null;
     private static final String TAG = DefaultDownLoaderImpl.class.getSimpleName();
@@ -144,7 +144,10 @@ private void preDownload(String url, String contentDisposition, long contentLeng
 
         }
 
-        if (mList.contains(url)) {
+        if(mList!=null){
+            LogUtils.i(TAG,"url:"+url+"  list:"+mList);
+        }
+        if (mList!=null&&mList.contains(url)) {
 
             AgentWebUtils.toastShowShort(mContext, mDownLoadMsgConfig.getTaskHasBeenExist());
             return;
@@ -200,6 +203,9 @@ public void onClick(DialogInterface dialog, int which) {
 
     private void performDownload(String url, long contentLength, File file) {
 
+        if (mList == null) {
+            mList = new LinkedList<>();
+        }
         mList.add(url);
         mList.add(file.getAbsolutePath());
         //并行下载.
@@ -236,7 +242,7 @@ private File getFile(String contentDisposition, String url) {
             }
 
             LogUtils.i(TAG, "file:" + filename);
-            return AgentWebUtils.createFileByName(mContext,filename,false);
+            return AgentWebUtils.createFileByName(mContext, filename, false);
         } catch (Exception e) {
             e.printStackTrace();
         }

library/src/main/java/com/just/library/RealDownLoader.java

@@ -22,6 +22,8 @@
 import java.util.UnknownFormatConversionException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+import static com.just.library.DefaultDownLoaderImpl.mList;
+
 
 /**
  * Created by cenxiaozhong on 2017/5/13.
@@ -241,6 +243,18 @@ protected void onPostExecute(Integer integer) {
     private void doCallback(Integer code) {
         DownLoadResultListener mDownLoadResultListener = null;
         if ((mDownLoadResultListener = mDownLoadTask.getDownLoadResultListener()) == null) {
+            LogUtils.e(TAG,"activity has been destroy");
+
+            String path="";
+            if(mList!=null&& mList.contains(path=mDownLoadTask.getFile().getPath())){
+                synchronized (mList){
+                    int index = mList.indexOf(path);
+                    if (index == -1)
+                        return;
+                    mList.remove(index);
+                    mList.remove(index - 1);
+                }
+            }
             return;
         }
         if (code > 200) {