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

@@ -2,15 +2,22 @@ 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
      */
-    public static final String ACTION_PRE = "ACTION_PRE";
+    public static final     String          ACTION_PRE = "ACTION_PRE";
 
     /**
      * 开始下载事件
@@ -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/DownloadTarget.java

@@ -77,7 +77,7 @@ public class DownloadTarget extends IDownloadTarget {
         if (task == null) {
             task = mCachePool.getTask(entity.getDownloadUrl());
         }
-        if (task == null){
+        if (task == null) {
             task = createTask(entity);
         }
         return task;

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

@@ -30,9 +30,10 @@ public class TaskFactory {
 
     /**
      * 创建普通下载任务
+     *
      * @param context
-     * @param entity    下载实体
+     * @param entity  下载实体
-     * @param handler   {@link com.arialyy.downloadutil.core.IDownloadTarget.AutoTaskHandler}
+     * @param handler {@link com.arialyy.downloadutil.core.IDownloadTarget.AutoTaskHandler}
      * @return
      */
     public Task createTask(Context context, DownloadEntity entity, Handler handler) {

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;
 
 /**
@@ -9,11 +10,12 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
  */
 class CancelCommand extends IDownloadCommand {
 
-  CancelCommand(Context context, DownloadEntity entity) {
+    CancelCommand(Context context, DownloadEntity entity) {
-    super(context, entity);
+        super(context, entity);
-  }
+    }
 
-  @Override public void executeComment() {
+    @Override
-    target.cancelTask(target.getTask(mEntity));
+    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;
 
 /**
@@ -8,108 +9,108 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
  * 命令工厂
  */
 public class CommandFactory {
-  /**
+    /**
-   * 创建任务
+     * 创建任务
-   */
+     */
-  public static final int TASK_CREATE = 0x122;
+    public static final int TASK_CREATE = 0x122;
-  /**
+    /**
-   * 启动任务
+     * 启动任务
-   */
+     */
-  public static final int TASK_START = 0x123;
+    public static final int TASK_START  = 0x123;
-  /**
+    /**
-   * 取消任务
+     * 取消任务
-   */
+     */
-  public static final int TASK_CANCEL = 0x124;
+    public static final int TASK_CANCEL = 0x124;
-  /**
+    /**
-   * 停止任务
+     * 停止任务
-   */
+     */
-  public static final int TASK_STOP = 0x125;
+    public static final int TASK_STOP   = 0x125;
-  /**
+    /**
-   * 获取任务状态
+     * 获取任务状态
-   */
+     */
-  public static final int TASK_STATE = 0x126;
+    public static final int TASK_STATE  = 0x126;
 
-  private static final Object LOCK = new Object();
+    private static final    Object         LOCK     = new Object();
-  private static volatile CommandFactory INSTANCE = null;
+    private static volatile CommandFactory INSTANCE = null;
 
-  private CommandFactory() {
+    private CommandFactory() {
 
-  }
-
-  public static CommandFactory getInstance() {
-    if (INSTANCE == null) {
-      synchronized (LOCK) {
-        INSTANCE = new CommandFactory();
-      }
     }
-    return INSTANCE;
-  }
 
-  /**
+    public static CommandFactory getInstance() {
-   * @param context context
+        if (INSTANCE == null) {
-   * @param entity 下载实体
+            synchronized (LOCK) {
-   * @param type 命令类型{@link #TASK_CREATE}、{@link #TASK_START}、{@link #TASK_CANCEL}、{@link
+                INSTANCE = new CommandFactory();
-   * #TASK_STOP}、{@link #TASK_STATE}
+            }
-   */
+        }
-  public IDownloadCommand createCommand(Context context, DownloadEntity entity, int type) {
+        return INSTANCE;
-    switch (type) {
-      case TASK_CREATE:
-        return createAddCommand(context, entity);
-      case TASK_START:
-        return createStartCommand(context, entity);
-      case TASK_CANCEL:
-        return createCancelCommand(context, entity);
-      case TASK_STOP:
-        return createStopCommand(context, entity);
-      case TASK_STATE:
-        return createStateCommand(context, entity);
-      default:
-        return null;
     }
-  }
 
-  /**
+    /**
-   * 创建获取任务状态的命令
+     * @param context context
-   *
+     * @param entity  下载实体
-   * @return {@link StateCommand}
+     * @param type    命令类型{@link #TASK_CREATE}、{@link #TASK_START}、{@link #TASK_CANCEL}、{@link
-   */
+     *                #TASK_STOP}、{@link #TASK_STATE}
-  private StateCommand createStateCommand(Context context, DownloadEntity entity) {
+     */
-    return new StateCommand(context, entity);
+    public IDownloadCommand createCommand(Context context, DownloadEntity entity, int type) {
-  }
+        switch (type) {
+            case TASK_CREATE:
+                return createAddCommand(context, entity);
+            case TASK_START:
+                return createStartCommand(context, entity);
+            case TASK_CANCEL:
+                return createCancelCommand(context, entity);
+            case TASK_STOP:
+                return createStopCommand(context, entity);
+            case TASK_STATE:
+                return createStateCommand(context, entity);
+            default:
+                return null;
+        }
+    }
 
-  /**
+    /**
-   * 创建停止命令
+     * 创建获取任务状态的命令
-   *
+     *
-   * @return {@link StopCommand}
+     * @return {@link StateCommand}
-   */
+     */
-  private StopCommand createStopCommand(Context context, DownloadEntity entity) {
+    private StateCommand createStateCommand(Context context, DownloadEntity entity) {
-    return new StopCommand(context, entity);
+        return new StateCommand(context, entity);
-  }
+    }
 
-  /**
+    /**
-   * 创建下载任务命令
+     * 创建停止命令
-   *
+     *
-   * @return {@link AddCommand}
+     * @return {@link StopCommand}
-   */
+     */
-  private AddCommand createAddCommand(Context context, DownloadEntity entity) {
+    private StopCommand createStopCommand(Context context, DownloadEntity entity) {
-    return new AddCommand(context, entity);
+        return new StopCommand(context, entity);
-  }
+    }
 
-  /**
+    /**
-   * 创建启动下载命令
+     * 创建下载任务命令
-   *
+     *
-   * @return {@link StartCommand}
+     * @return {@link AddCommand}
-   */
+     */
-  private StartCommand createStartCommand(Context context, DownloadEntity entity) {
+    private AddCommand createAddCommand(Context context, DownloadEntity entity) {
-    return new StartCommand(context, entity);
+        return new AddCommand(context, entity);
-  }
+    }
 
-  /**
+    /**
-   * 创建 取消下载的命令
+     * 创建启动下载命令
-   *
+     *
-   * @return {@link CancelCommand}
+     * @return {@link StartCommand}
-   */
+     */
-  private CancelCommand createCancelCommand(Context context, DownloadEntity entity) {
+    private StartCommand createStartCommand(Context context, DownloadEntity entity) {
-    return new CancelCommand(context, entity);
+        return new StartCommand(context, entity);
-  }
+    }
+
+    /**
+     * 创建 取消下载的命令
+     *
+     * @return {@link CancelCommand}
+     */
+    private CancelCommand createCancelCommand(Context context, DownloadEntity entity) {
+        return new CancelCommand(context, entity);
+    }
 }

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;
 
 /**
@@ -16,15 +17,15 @@ import java.util.List;
  */
 public abstract class IDownloadCommand {
     protected IDownloadTarget target;
-    protected Context mContext;
+    protected Context         mContext;
-    protected DownloadEntity mEntity;
+    protected DownloadEntity  mEntity;
 
     /**
-     * @param context   context
+     * @param context context
-     * @param entity 下载实体
+     * @param entity  下载实体
      */
-    protected IDownloadCommand(Context context, DownloadEntity entity){
+    protected IDownloadCommand(Context context, DownloadEntity entity) {
-        if (!CheckHelp.checkDownloadEntity(entity)){
+        if (!CheckHelp.checkDownloadEntity(entity)) {
             return;
         }
         target = DownloadTarget.getInstance(context);
@@ -32,7 +33,7 @@ public abstract class IDownloadCommand {
         mEntity = entity;
     }
 
-    public Context getContext(){
+    public Context getContext() {
         return mContext;
     }
 

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

@@ -1,13 +1,14 @@
 package com.arialyy.downloadutil.core.command;
 
 import android.content.Context;
+
 import com.arialyy.downloadutil.entity.DownloadEntity;
 
 /**
  * Created by lyy on 2016/8/22.
  * 开始命令
  */
-class StartCommand extends IDownloadCommand{
+class StartCommand extends IDownloadCommand {
 
     StartCommand(Context context, DownloadEntity entity) {
         super(context, entity);

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;
 
 /**
@@ -9,15 +10,16 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
  */
 class StateCommand extends IDownloadCommand {
 
-  /**
+    /**
-   * @param context context
+     * @param context context
-   * @param entity 下载实体
+     * @param entity  下载实体
-   */
+     */
-  StateCommand(Context context, DownloadEntity entity) {
+    StateCommand(Context context, DownloadEntity entity) {
-    super(context, entity);
+        super(context, entity);
-  }
+    }
 
-  @Override public void executeComment() {
+    @Override
-    target.getTaskState(mEntity);
+    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;
 
 /**
@@ -9,15 +10,16 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
  */
 class StopCommand extends IDownloadCommand {
 
-  /**
+    /**
-   * @param context context
+     * @param context context
-   * @param entity 下载实体
+     * @param entity  下载实体
-   */
+     */
-  StopCommand(Context context, DownloadEntity entity) {
+    StopCommand(Context context, DownloadEntity entity) {
-    super(context, entity);
+        super(context, entity);
-  }
+    }
 
-  @Override public void executeComment() {
+    @Override
-    target.stopTask(target.getTask(mEntity));
+    public void executeComment() {
-  }
+        target.stopTask(target.getTask(mEntity));
+    }
 }

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

@@ -12,7 +12,7 @@ public interface ITask {
     /**
      * 创建一个新的下载任务，创建时只是将新任务存储到缓存池
      *
-     * @param entity   下载实体{@link DownloadEntity}
+     * @param entity 下载实体{@link DownloadEntity}
      * @return {@link Task}
      */
     public Task createTask(DownloadEntity entity);
@@ -20,7 +20,7 @@ public interface ITask {
     /**
      * 通过下载链接从缓存池或任务池搜索下载任务，如果缓存池或任务池都没有任务，则创建新任务
      *
-     * @param entity   下载实体{@link DownloadEntity}
+     * @param entity 下载实体{@link DownloadEntity}
      * @return {@link Task}
      */
     public Task getTask(DownloadEntity entity);
@@ -28,14 +28,15 @@ public interface ITask {
     /**
      * 通过下载链接搜索下载任务
      *
-     * @param entity   下载实体{@link DownloadEntity}
+     * @param entity 下载实体{@link DownloadEntity}
      * @return {@code -1 ==> 错误}，{@link com.arialyy.downloadutil.entity.DownloadEntity#STATE_FAIL}
      */
     public int getTaskState(DownloadEntity entity);
 
     /**
      * 通过下载链接删除任务
-     * @param entity   下载实体{@link DownloadEntity}
+     *
+     * @param entity 下载实体{@link DownloadEntity}
      */
     public void removeTask(DownloadEntity entity);
 

downloadutil/src/main/java/com/arialyy/downloadutil/core/pool/CachePool.java

@@ -78,7 +78,7 @@ public class CachePool implements IPool {
                 Log.e(TAG, "请传入有效的下载链接");
                 return null;
             }
-            String key  = Util.keyToHashKey(downloadUrl);
+            String key = Util.keyToHashKey(downloadUrl);
             return mCacheArray.get(key);
         }
     }
@@ -104,8 +104,8 @@ public class CachePool implements IPool {
                 Log.e(TAG, "请传入有效的下载链接");
                 return false;
             }
-            String key = Util.keyToHashKey(downloadUrl);
+            String key  = Util.keyToHashKey(downloadUrl);
-            Task task = mCacheArray.get(key);
+            Task   task = mCacheArray.get(key);
             mCacheArray.remove(key);
             return mCacheQueue.remove(task);
         }

downloadutil/src/main/java/com/arialyy/downloadutil/core/pool/ExecutePool.java

@@ -119,7 +119,7 @@ public class ExecutePool implements IPool {
                 Log.e(TAG, "请传入有效的下载链接");
                 return null;
             }
-            String key  = Util.keyToHashKey(downloadUrl);
+            String key = Util.keyToHashKey(downloadUrl);
             return mExecuteArray.get(key);
         }
     }

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;
 
 /**
@@ -13,38 +15,38 @@ import java.io.File;
  * 检查帮助类
  */
 public class CheckHelp {
-  private static final String TAG = "CheckHelp";
+    private static final String TAG = "CheckHelp";
 
-  /**
+    /**
-   * 检测下载实体是否合法
+     * 检测下载实体是否合法
-   *
+     *
-   * @param entity 下载实体
+     * @param entity 下载实体
-   * @return 合法(true)
+     * @return 合法(true)
-   */
+     */
-  public static boolean checkDownloadEntity(DownloadEntity entity) {
+    public static boolean checkDownloadEntity(DownloadEntity entity) {
-    if (entity == null) {
+        if (entity == null) {
-      Log.w(TAG, Resources.getSystem().getString(R.string.error_entity_null));
+            Log.w(TAG, Resources.getSystem().getString(R.string.error_entity_null));
-      return false;
+            return false;
-    } else if (TextUtils.isEmpty(entity.getDownloadUrl())) {
+        } else if (TextUtils.isEmpty(entity.getDownloadUrl())) {
-      Log.w(TAG, Resources.getSystem().getString(R.string.error_download_url_null));
+            Log.w(TAG, Resources.getSystem().getString(R.string.error_download_url_null));
-      return false;
+            return false;
-    } else if (TextUtils.isEmpty(entity.getFileName())){
+        } else if (TextUtils.isEmpty(entity.getFileName())) {
-      Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
+            Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
-      return false;
+            return false;
-    } else if (TextUtils.isEmpty(entity.getDownloadPath())){
+        } else if (TextUtils.isEmpty(entity.getDownloadPath())) {
-      Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
+            Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
-      return false;
+            return false;
+        }
+        String fileName = entity.getFileName();
+        if (fileName.contains(" ")) {
+            fileName = fileName.replace(" ", "_");
+        }
+        String dPath = entity.getDownloadPath();
+        File   file  = new File(dPath);
+        if (file.isDirectory()) {
+            dPath += fileName;
+            entity.setDownloadPath(dPath);
+        }
+        return true;
     }
-    String fileName = entity.getFileName();
-    if (fileName.contains(" ")){
-      fileName = fileName.replace(" ", "_");
-    }
-    String dPath = entity.getDownloadPath();
-    File file = new File(dPath);
-    if (file.isDirectory()){
-      dPath += fileName;
-      entity.setDownloadPath(dPath);
-    }
-    return true;
-  }
 }

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;
@@ -13,17 +14,17 @@ import java.lang.reflect.Field;
  * 数据库操作工具
  */
 public class DbUtil {
-    private static final String TAG = "DbUtil";
+    private static final    String TAG           = "DbUtil";
-    private volatile static DbUtil mDbUtil = null;
+    private volatile static DbUtil mDbUtil       = null;
-    private int CREATE_TABLE = 0;
+    private                 int    CREATE_TABLE  = 0;
-    private int TABLE_EXISTS = 1;
+    private                 int    TABLE_EXISTS  = 1;
-    private int INSERT_DATA = 2;
+    private                 int    INSERT_DATA   = 2;
-    private int MODIFY_DATA = 3;
+    private                 int    MODIFY_DATA   = 3;
-    private int FIND_DATA = 4;
+    private                 int    FIND_DATA     = 4;
-    private int FIND_ALL_DATA = 5;
+    private                 int    FIND_ALL_DATA = 5;
-    private int DEL_DATA = 6;
+    private                 int    DEL_DATA      = 6;
-    private int ROW_ID = 7;
+    private                 int    ROW_ID        = 7;
-    private static final Object LOCK = new Object();
+    private static final    Object LOCK          = new Object();
     private SQLiteDatabase mDb;
 
     private DbUtil() {
@@ -73,8 +74,8 @@ public class DbUtil {
      * 修改某行数据
      */
     protected void modifyData(DbEntity dbEntity) {
-        Class<?> clazz = dbEntity.getClass();
+        Class<?> clazz  = dbEntity.getClass();
-        Field[] fields = Util.getFields(clazz);
+        Field[]  fields = Util.getFields(clazz);
         if (fields != null && fields.length > 0) {
             StringBuilder sb = new StringBuilder();
             sb.append("UPDATE ").append(Util.getClassName(dbEntity)).append(" SET ");
@@ -136,8 +137,8 @@ public class DbUtil {
      * 插入数据
      */
     protected void insertData(DbEntity dbEntity) {
-        Class<?> clazz = dbEntity.getClass();
+        Class<?> clazz  = dbEntity.getClass();
-        Field[] fields = Util.getFields(clazz);
+        Field[]  fields = Util.getFields(clazz);
         if (fields != null && fields.length > 0) {
             StringBuilder sb = new StringBuilder();
             sb.append("INSERT INTO ").append(Util.getClassName(dbEntity)).append("(");
@@ -214,7 +215,7 @@ public class DbUtil {
             sb.append("create table ")
                     .append(Util.getClassName(dbEntity))
                     .append("(");
-            int i = 0;
+            int i         = 0;
             int ignoreNum = 0;
             for (Field field : fields) {
                 i++;
@@ -322,8 +323,8 @@ public class DbUtil {
             i++;
         }
         print(ROW_ID, sb.toString());
-        Cursor c = mDb.rawQuery(sb.toString(), null);
+        Cursor c  = mDb.rawQuery(sb.toString(), null);
-        int id = c.getColumnIndex("rowid");
+        int    id = c.getColumnIndex("rowid");
         c.close();
         return id;
     }

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
@@ -24,24 +25,27 @@ public class DownLoadUtil {
     /**
      * 线程数
      */
-    private static final int THREAD_NUM = 3;
+    private static final int THREAD_NUM         = 3;
     /**
      * 已经完成下载任务的线程数量
      */
-    private int mCompleteThreadNum = 0;
+    private              int mCompleteThreadNum = 0;
     private long mCurrentLocation;
-    private boolean isDownloading = false;
+    private              boolean isDownloading = false;
-    private boolean isStop = false;
+    private              boolean isStop        = false;
-    private boolean isCancel = false;
+    private              boolean isCancel      = false;
-    private static final int TIME_OUT = 5000; //超时时间
+    private static final int     TIME_OUT      = 5000; //超时时间
     boolean isNewTask = true;
     private int mCancelNum = 0;
-    private int mStopNum = 0;
+    private int mStopNum   = 0;
+
     public DownLoadUtil() {
     }
-    public IDownloadListener getListener(){
+
+    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
      *
@@ -101,7 +109,7 @@ public class DownLoadUtil {
             public void run() {
                 try {
                     mListener = downloadListener;
-                    URL url = new URL(downloadUrl);
+                    URL               url  = new URL(downloadUrl);
                     HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                     conn.setRequestMethod("GET");
                     conn.setRequestProperty("Charset", "UTF-8");
@@ -140,16 +148,16 @@ public class DownLoadUtil {
                                 }
                             }
                         }
-                        int blockSize = fileLength / THREAD_NUM;
+                        int                 blockSize = fileLength / THREAD_NUM;
-                        SparseArray<Thread> tasks = new SparseArray<>();
+                        SparseArray<Thread> tasks     = new SparseArray<>();
-                        int[] recordL = new int[THREAD_NUM];
+                        int[]               recordL   = new int[THREAD_NUM];
-                        int rl = 0;
+                        int                 rl        = 0;
                         for (int i = 0; i < THREAD_NUM; i++) {
                             recordL[i] = -1;
                         }
                         for (int i = 0; i < THREAD_NUM; i++) {
-                            long startL = i * blockSize, endL = (i + 1) * blockSize;
+                            long   startL = i * blockSize, endL = (i + 1) * blockSize;
-                            Object state = pro.getProperty(dFile.getName() + "_state_" + i);
+                            Object state  = pro.getProperty(dFile.getName() + "_state_" + i);
                             if (state != null && Integer.parseInt(state + "") == 1) {  //该线程已经完成
                                 mCurrentLocation += endL - startL;
                                 Log.d(TAG, "++++++++++ 线程_" + i + "_已经下载完成 ++++++++++");
@@ -176,7 +184,7 @@ public class DownLoadUtil {
                                 startL = r;
                                 recordL[rl] = i;
                                 rl++;
-                            }else {
+                            } else {
                                 isNewTask = true;
                             }
                             if (isNewTask) {
@@ -187,7 +195,7 @@ public class DownLoadUtil {
                                 endL = fileLength;//如果整个文件的大小不为线程个数的整数倍，则最后一个线程的结束位置即为文件的总长度
                             }
                             DownloadEntity entity = new DownloadEntity(context, fileLength, downloadUrl, dFile, i, startL, endL);
-                            DownLoadTask task = new DownLoadTask(entity);
+                            DownLoadTask   task   = new DownLoadTask(entity);
                             tasks.put(i, new Thread(task));
                         }
                         if (mCurrentLocation > 0) {
@@ -211,30 +219,34 @@ public class DownLoadUtil {
             }
         }).start();
     }
-    private void failDownload(String msg){
+
+    private void failDownload(String msg) {
         Log.e(TAG, msg);
         isDownloading = false;
         stopDownload();
         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
      */
     private class DownLoadTask implements Runnable {
         private static final String TAG = "DownLoadTask";
         private DownloadEntity dEntity;
-        private String configFPath;
+        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;
             try {
                 Log.d(TAG, "线程_" + dEntity.threadId + "_正在下载【" + "开始位置 : " + dEntity.startLocation + "，结束位置：" + dEntity.endLocation + "】");
-                URL url = new URL(dEntity.downloadUrl);
+                URL               url  = new URL(dEntity.downloadUrl);
                 HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                 //在头里面请求下载开始位置和结束位置
                 conn.setRequestProperty("Range", "bytes=" + dEntity.startLocation + "-" + dEntity.endLocation);
@@ -250,7 +262,7 @@ public class DownLoadUtil {
                 //设置每条线程写入文件的位置
                 file.seek(dEntity.startLocation);
                 byte[] buffer = new byte[1024];
-                int len;
+                int    len;
                 //当前子线程的下载位置
                 currentLocation = dEntity.startLocation;
                 while ((len = is.read(buffer)) != -1) {
@@ -353,30 +365,33 @@ public class DownLoadUtil {
                 }
             }
         }
+
         /**
          * 将记录写入到配置文件
          *
          * @param record
          */
         private void writeConfig(String key, String record) throws IOException {
-            File configFile = new File(configFPath);
+            File       configFile = new File(configFPath);
-            Properties pro = Util.loadConfig(configFile);
+            Properties pro        = Util.loadConfig(configFile);
             pro.setProperty(key, record);
             Util.saveConfig(configFile, pro);
         }
     }
+
     /**
      * 子线程下载信息类
      */
     private class DownloadEntity {
         //文件大小
-        long fileSize;
+        long    fileSize;
-        String downloadUrl;
+        String  downloadUrl;
-        int threadId;
+        int     threadId;
-        long startLocation;
+        long    startLocation;
-        long endLocation;
+        long    endLocation;
-        File tempFile;
+        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;