没做啥

.idea/gradle.xml

@@ -13,7 +13,13 @@
             <option value="$PROJECT_DIR$/downloadutil" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
+        <option name="myModules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+            <option value="$PROJECT_DIR$/downloadutil" />
+          </set>
+        </option>
       </GradleProjectSettings>
     </option>
   </component>

.idea/misc.xml

@@ -53,7 +53,7 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

.idea/modules.xml

@@ -3,7 +3,6 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/DownloadDemo.iml" filepath="$PROJECT_DIR$/DownloadDemo.iml" />
-      <module fileurl="file://$PROJECT_DIR$/DownloadUtil.iml" filepath="$PROJECT_DIR$/DownloadUtil.iml" />
       <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
       <module fileurl="file://$PROJECT_DIR$/downloadutil/downloadutil.iml" filepath="$PROJECT_DIR$/downloadutil/downloadutil.iml" />
     </modules>

downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadCommand.java

@@ -1,9 +0,0 @@
-package com.arialyy.downloadutil.core;
-
-/**
- * Created by lyy on 2016/8/14.
- * 命令抽象类
- */
-public abstract class DownloadCommand {
-
-}

downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java

@@ -2,11 +2,18 @@ package com.arialyy.downloadutil.core;
 
 import android.content.Context;
 
+import com.arialyy.downloadutil.core.command.IDownloadCommand;
+
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * Created by lyy on 2016/8/11.
  * 下载管理器，通过命令的方式控制下载
  */
 public class DownloadManager {
+    private static final    Object          LOCK       = new Object();
+    private static volatile DownloadManager INSTANCE   = null;
     /**
      * 下载开始前事件
      */
@@ -57,6 +64,12 @@ public class DownloadManager {
      */
     public static final String CURRENT_LOCATION = "CURRENT_LOCATION";
 
+    private List<IDownloadCommand> mCommands = new ArrayList<>();
+
+    private DownloadManager() {
+
+    }
+
     private Context mContext;
 
     private DownloadManager(Context context) {
@@ -64,7 +77,42 @@ public class DownloadManager {
     }
 
     public static DownloadManager getInstance(Context context) {
-        return new DownloadManager(context);
+        if (INSTANCE == null) {
+            synchronized (LOCK) {
+                INSTANCE = new DownloadManager(context.getApplicationContext());
+            }
+        }
+        return INSTANCE;
+    }
+
+    /**
+     * 设置命令
+     *
+     * @param command
+     */
+    public void setCommant(IDownloadCommand command) {
+        mCommands.add(command);
+    }
+
+    /**
+     * 设置一组命令
+     *
+     * @param commands
+     */
+    public void setCommands(List<IDownloadCommand> commands) {
+        if (commands != null && commands.size() > 0) {
+            mCommands.addAll(commands);
+        }
+    }
+
+    /**
+     * 执行所有设置的命令
+     */
+    public synchronized void exe() {
+        for (IDownloadCommand command : mCommands) {
+            command.executeComment();
+        }
+        mCommands.clear();
     }
 
 }

downloadutil/src/main/java/com/arialyy/downloadutil/core/TaskFactory.java

@@ -30,6 +30,7 @@ public class TaskFactory {
 
     /**
      * 创建普通下载任务
+     *
      * @param context
      * @param entity  下载实体
      * @param handler {@link com.arialyy.downloadutil.core.IDownloadTarget.AutoTaskHandler}

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/AddCommand.java

@@ -1,6 +1,7 @@
 package com.arialyy.downloadutil.core.command;
 
 import android.content.Context;
+
 import com.arialyy.downloadutil.entity.DownloadEntity;
 
 /**

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/CancelCommand.java

@@ -1,6 +1,7 @@
 package com.arialyy.downloadutil.core.command;
 
 import android.content.Context;
+
 import com.arialyy.downloadutil.entity.DownloadEntity;
 
 /**
@@ -13,7 +14,8 @@ class CancelCommand extends IDownloadCommand {
         super(context, entity);
     }
 
-  @Override public void executeComment() {
+    @Override
+    public void executeComment() {
         target.cancelTask(target.getTask(mEntity));
     }
 }

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/CommandFactory.java

@@ -1,6 +1,7 @@
 package com.arialyy.downloadutil.core.command;
 
 import android.content.Context;
+
 import com.arialyy.downloadutil.entity.DownloadEntity;
 
 /**

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/IDownloadCommand.java

@@ -8,6 +8,7 @@ import com.arialyy.downloadutil.core.IDownloadTarget;
 
 import com.arialyy.downloadutil.entity.DownloadEntity;
 import com.arialyy.downloadutil.help.CheckHelp;
+
 import java.util.List;
 
 /**

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StartCommand.java

@@ -1,6 +1,7 @@
 package com.arialyy.downloadutil.core.command;
 
 import android.content.Context;
+
 import com.arialyy.downloadutil.entity.DownloadEntity;
 
 /**

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StateCommand.java

@@ -1,6 +1,7 @@
 package com.arialyy.downloadutil.core.command;
 
 import android.content.Context;
+
 import com.arialyy.downloadutil.entity.DownloadEntity;
 
 /**
@@ -17,7 +18,8 @@ class StateCommand extends IDownloadCommand {
         super(context, entity);
     }
 
-  @Override public void executeComment() {
+    @Override
+    public void executeComment() {
         target.getTaskState(mEntity);
     }
 }

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StopCommand.java

@@ -1,6 +1,7 @@
 package com.arialyy.downloadutil.core.command;
 
 import android.content.Context;
+
 import com.arialyy.downloadutil.entity.DownloadEntity;
 
 /**
@@ -17,7 +18,8 @@ class StopCommand extends IDownloadCommand {
         super(context, entity);
     }
 
-  @Override public void executeComment() {
+    @Override
+    public void executeComment() {
         target.stopTask(target.getTask(mEntity));
     }
 }

downloadutil/src/main/java/com/arialyy/downloadutil/core/inf/ITask.java

@@ -35,6 +35,7 @@ public interface ITask {
 
     /**
      * 通过下载链接删除任务
+     *
      * @param entity 下载实体{@link DownloadEntity}
      */
     public void removeTask(DownloadEntity entity);

downloadutil/src/main/java/com/arialyy/downloadutil/help/CheckHelp.java

@@ -4,8 +4,10 @@ import android.app.Application;
 import android.content.res.Resources;
 import android.text.TextUtils;
 import android.util.Log;
+
 import com.arialyy.downloadutil.R;
 import com.arialyy.downloadutil.entity.DownloadEntity;
+
 import java.io.File;
 
 /**

downloadutil/src/main/java/com/arialyy/downloadutil/orm/DbUtil.java

@@ -1,4 +1,5 @@
 package com.arialyy.downloadutil.orm;
+
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.support.annotation.NonNull;

downloadutil/src/main/java/com/arialyy/downloadutil/util/DownLoadUtil.java

@@ -13,6 +13,7 @@ import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.Properties;
+
 /**
  * Created by lyy on 2015/8/25.
  * 下载工具类
@@ -37,11 +38,14 @@ public class DownLoadUtil {
     boolean isNewTask = true;
     private int mCancelNum = 0;
     private int mStopNum   = 0;
+
     public DownLoadUtil() {
     }
+
     public IDownloadListener getListener() {
         return mListener;
     }
+
     /**
      * 获取当前下载位置
      *
@@ -50,21 +54,25 @@ public class DownLoadUtil {
     public long getCurrentLocation() {
         return mCurrentLocation;
     }
+
     public boolean isDownloading() {
         return isDownloading;
     }
+
     /**
      * 取消下载
      */
     public void cancelDownload() {
         isCancel = true;
     }
+
     /**
      * 停止下载
      */
     public void stopDownload() {
         isStop = true;
     }
+
     /**
      * 多线程断点续传下载文件，暂停和继续
      *
@@ -211,6 +219,7 @@ public class DownLoadUtil {
             }
         }).start();
     }
+
     private void failDownload(String msg) {
         Log.e(TAG, msg);
         isDownloading = false;
@@ -218,6 +227,7 @@ public class DownLoadUtil {
         mListener.onFail();
         System.gc();
     }
+
     /**
      * 多线程下载任务类,不能使用AsyncTask来进行多线程下载，因为AsyncTask是串行执行的，这种方式下载速度太慢了
      */
@@ -225,10 +235,12 @@ public class DownLoadUtil {
         private static final String TAG = "DownLoadTask";
         private DownloadEntity dEntity;
         private String         configFPath;
+
         public DownLoadTask(DownloadEntity downloadInfo) {
             this.dEntity = downloadInfo;
             configFPath = dEntity.context.getFilesDir().getPath() + "/temp/" + dEntity.tempFile.getName() + ".properties";
         }
+
         @Override
         public void run() {
             long currentLocation = 0;
@@ -353,6 +365,7 @@ public class DownLoadUtil {
                 }
             }
         }
+
         /**
          * 将记录写入到配置文件
          *
@@ -365,6 +378,7 @@ public class DownLoadUtil {
             Util.saveConfig(configFile, pro);
         }
     }
+
     /**
      * 子线程下载信息类
      */
@@ -377,6 +391,7 @@ public class DownLoadUtil {
         long    endLocation;
         File    tempFile;
         Context context;
+
         public DownloadEntity(Context context, long fileSize, String downloadUrl, File file, int threadId, long startLocation, long endLocation) {
             this.fileSize = fileSize;
             this.downloadUrl = downloadUrl;