初始化Aria时会将所有数据库状态为下载中的任务改为已停止，防止应用被kill后，任务状态错误, 初始化时自动判断文件是否被删除，文件被删除的任务将自动重置默认值

Aria/src/main/java/com/arialyy/aria/core/AriaManager.java

@@ -30,12 +30,15 @@ import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.common.QueueMod;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadReceiver;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsReceiver;
 import com.arialyy.aria.core.inf.IReceiver;
 import com.arialyy.aria.core.inf.ReceiverType;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadReceiver;
+import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.orm.DelegateWrapper;
 import com.arialyy.aria.util.ALog;
@@ -82,6 +85,7 @@ import org.xml.sax.SAXException;
     regAppLifeCallback(context);
     initConfig();
     initAria();
+    amendTaskState();
   }
 
   public static AriaManager getInstance(Context context) {
@@ -94,9 +98,6 @@ import org.xml.sax.SAXException;
   }
 
   static AriaManager getInstance() {
-    //if (INSTANCE == null) {
-    //  throw new NullPointerException("请在Application或Activity初始化时调用一次Aria.init(context)方法进行初始化操作");
-    //}
     return INSTANCE;
   }
 
@@ -121,6 +122,21 @@ import org.xml.sax.SAXException;
     mAConfig.setLogLevel(mAConfig.getLogLevel());
   }
 
+  /**
+   * 修正任务状态
+   */
+  private void amendTaskState() {
+    Class[] clazzs = new Class[] {
+        DownloadEntity.class, UploadEntity.class, DownloadGroupEntity.class,
+        DownloadTaskEntity.class, UploadTaskEntity.class, DownloadGroupTaskEntity.class
+    };
+    String sql = "UPDATE %s SET state=2 WHERE state=4";
+    for (Class clazz : clazzs) {
+      String temp = String.format(sql, clazz.getSimpleName());
+      DbEntity.exeSql(temp);
+    }
+  }
+
   public Map<String, AbsReceiver> getReceiver() {
     return mReceivers;
   }
@@ -136,8 +152,7 @@ import org.xml.sax.SAXException;
    * @param mod {@link QueueMod}
    * @deprecated 后续版本会删除该api
    */
-  @Deprecated
-  public AriaManager setUploadQueueMod(QueueMod mod) {
+  @Deprecated public AriaManager setUploadQueueMod(QueueMod mod) {
     mUConfig.setQueueMod(mod.tag);
     return this;
   }
@@ -153,8 +168,7 @@ import org.xml.sax.SAXException;
    * @param mod {@link QueueMod}
    * @deprecated 后续版本会删除该api
    */
-  @Deprecated
-  public AriaManager setDownloadQueueMod(QueueMod mod) {
+  @Deprecated public AriaManager setDownloadQueueMod(QueueMod mod) {
     mDConfig.setQueueMod(mod.tag);
     return this;
   }
@@ -351,7 +365,8 @@ import org.xml.sax.SAXException;
    *
    * @param type {@link ReceiverType}
    * @param obj 观察者对象
-   * @return key的格式为：{@code String.format("%s_%s_%s", obj.getClass().getName(), type, obj.hashCode());}
+   * @return key的格式为：{@code String.format("%s_%s_%s", obj.getClass().getName(), type,
+   * obj.hashCode());}
    */
   private String createKey(@ReceiverType String type, Object obj) {
     return String.format("%s_%s_%s", obj.getClass().getName(), type, obj.hashCode());

Aria/src/main/java/com/arialyy/aria/core/download/BaseNormalTarget.java

@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.common.TaskRecord;
 import com.arialyy.aria.core.manager.TEManager;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.orm.DbEntity;
@@ -168,9 +169,9 @@ abstract class BaseNormalTarget<TARGET extends BaseNormalTarget>
         if (!forceDownload) {
           ALog.e(TAG, "下载失败，保存路径【" + filePath + "】已经被其它任务占用，请设置其它保存路径");
           return false;
-        }else {
-          ALog.d(TAG, "保存路径【" + filePath + "】已经被其它任务占用，当前任务将覆盖该路径的文件");
-          DbEntity.deleteData(DownloadEntity.class, "downloadPath=?", filePath);
+        } else {
+          ALog.w(TAG, "保存路径【" + filePath + "】已经被其它任务占用，当前任务将覆盖该路径的文件");
+          CommonUtil.delTaskRecord(filePath, 1);
           mTaskEntity = TEManager.getInstance().getTEntity(DownloadTaskEntity.class, url);
         }
       }

Aria/src/main/java/com/arialyy/aria/core/manager/DTEFactory.java

@@ -16,6 +16,8 @@
 package com.arialyy.aria.core.manager;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.common.AbsFileer;
+import com.arialyy.aria.core.common.TaskRecord;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.download.wrapper.DTEWrapper;
@@ -57,7 +59,8 @@ class DTEFactory implements INormalTEFactory<DownloadEntity, DownloadTaskEntity>
       taskEntity = wrapper.get(0).taskEntity;
       if (taskEntity == null) {
         taskEntity = new DownloadTaskEntity();
-      } else if (taskEntity.getEntity() == null || TextUtils.isEmpty(taskEntity.getEntity().getUrl())) {
+      } else if (taskEntity.getEntity() == null || TextUtils.isEmpty(
+          taskEntity.getEntity().getUrl())) {
         taskEntity.setEntity(entity);
       }
     } else {
@@ -93,9 +96,37 @@ class DTEFactory implements INormalTEFactory<DownloadEntity, DownloadTaskEntity>
       entity.setDownloadPath(UUID.randomUUID().toString().replace("-", ""));  //设置临时路径
     }
     File file = new File(entity.getDownloadPath());
-    if (!file.exists()) {
-      entity.setState(IEntity.STATE_WAIT);
+    TaskRecord record =
+        TaskRecord.findFirst(TaskRecord.class, "filePath=?", entity.getDownloadPath());
+    if (record == null) {
+      resetEntity(entity);
+    } else {
+      if (record.isBlock) {
+        int count = 0;
+        for (int i = 0, len = record.threadNum; i < len; i++) {
+          File temp = new File(String.format(AbsFileer.SUB_PATH, record.filePath, i));
+          if (!temp.exists()) {
+            count++;
+          }
+        }
+        if (count == record.threadNum) {
+          resetEntity(entity);
+        }
+      } else if (!file.exists()) { // 非分块文件需要判断文件是否存在
+        resetEntity(entity);
+      }
     }
     return entity;
   }
+
+  /**
+   * 初始化下载实体
+   */
+  private void resetEntity(DownloadEntity entity) {
+    entity.setPercent(0);
+    entity.setCompleteTime(0);
+    entity.setComplete(false);
+    entity.setCurrentProgress(0);
+    entity.setState(IEntity.STATE_WAIT);
+  }
 }

Aria/src/main/java/com/arialyy/aria/orm/DbEntity.java

@@ -176,6 +176,14 @@ public abstract class DbEntity {
     return rowID != -1 && util.isExist(getClass(), rowID);
   }
 
+  /**
+   * 表是否存在
+   * @return  {@code true} 存在
+   */
+  public static boolean tableExists(Class<DbEntity> clazz){
+    return DelegateWrapper.getInstance().tableExists(clazz);
+  }
+
   /**
    * 插入数据，只有 target中checkEntity成功后才能插入，创建实体部分也不允许操作
    */

Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java

@@ -35,10 +35,12 @@ import com.arialyy.aria.core.common.AbsFileer;
 import com.arialyy.aria.core.common.TaskRecord;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsGroupTaskEntity;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.upload.UploadEntity;
+import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.orm.DbEntity;
 import dalvik.system.DexFile;
 import java.io.File;
@@ -567,6 +569,50 @@ public class CommonUtil {
     dEntity.deleteData();
   }
 
+  /**
+   * 删除任务记录，默认删除文件
+   *
+   * @param filePath 文件路径
+   * @param type {@code 1}下载任务的记录，{@code 2} 上传任务的记录
+   * {@code false}如果任务已经完成，只删除任务数据库记录
+   */
+  public static void delTaskRecord(String filePath, int type) {
+    if (TextUtils.isEmpty(filePath)) {
+      throw new NullPointerException("删除记录失败，文件路径为空");
+    }
+    if (type != 1 && type != 2) {
+      throw new IllegalArgumentException("任务记录类型错误");
+    }
+    TaskRecord record = DbEntity.findFirst(TaskRecord.class, "filePath=?", filePath);
+    if (record == null) {
+      ALog.w(TAG, "删除记录失败，记录为空");
+      return;
+    }
+    File file = new File(filePath);
+    // 删除分块文件
+    if (record.isBlock) {
+      for (int i = 0, len = record.threadNum; i < len; i++) {
+        File partFile = new File(String.format(AbsFileer.SUB_PATH, record.filePath, i));
+        if (partFile.exists()) {
+          partFile.delete();
+        }
+      }
+    }
+    if (file.exists()) {
+      file.delete();
+    }
+
+    record.deleteData();
+    //下载任务实体和下载实体为一对一关系，下载实体删除，任务实体自动删除
+    if (type == 1) {
+      DbEntity.deleteData(DownloadTaskEntity.class, "key=?", filePath);
+      DbEntity.deleteData(DownloadEntity.class, "downloadPath=?", filePath);
+    }else {
+      DbEntity.deleteData(UploadTaskEntity.class, "key=?", filePath);
+      DbEntity.deleteData(UploadEntity.class, "filePath=?", filePath);
+    }
+  }
+
   /**
    * 获取CPU核心数
    */
@@ -705,8 +751,8 @@ public class CommonUtil {
    * @param taskType {@link ICmd#TASK_TYPE_DOWNLOAD}、{@link ICmd#TASK_TYPE_DOWNLOAD_GROUP}、{@link
    * ICmd#TASK_TYPE_UPLOAD}
    */
-  public static <T extends AbsTaskEntity> AbsNormalCmd createNormalCmd(T entity,
-      int cmd, int taskType) {
+  public static <T extends AbsTaskEntity> AbsNormalCmd createNormalCmd(T entity, int cmd,
+      int taskType) {
     return NormalCmdFactory.getInstance().createCmd(entity, cmd, taskType);
   }
 

DEV_LOG.md

@@ -14,6 +14,9 @@
      - 优化logcat日志提示
      - 修改下载线程的优先级为`Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);`
      - fix bug https://github.com/AriaLyy/Aria/issues/319
+     - 修复分卡下载失败的问题 https://github.com/AriaLyy/Aria/issues/326
+     - 初始化Aria时会将所有数据库状态为下载中的任务改为已停止，防止应用被kill后，任务状态错误
+     - 初始化时自动判断文件是否被删除，文件被删除的任务将自动重置默认值
   + v_3.5.1
     - 优化`taskExists`方法
     - 添加`post`参数请求支持

app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java

@@ -55,13 +55,13 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
       //"https://yizi-kejian.oss-cn-beijing.aliyuncs.com/qimeng/package1/qmtable11.zip";
       //"http://rs.0.gaoshouyou.com/d/04/1e/400423a7551e1f3f0eb1812afa1f9b44.apk";
       //"http://58.210.9.131/tpk/sipgt//TDLYZTGH.tpk"; //chunked 下载
-      //"https://static.donguo.me//video/ip/course/pfys_1.mp4";
+      "https://static.donguo.me//video/ip/course/pfys_1.mp4";
       //"https://www.baidu.com/link?url=_LFCuTPtnzFxVJByJ504QymRywIA1Z_T5xUxe9ZLuxcGM0C_RcdpWyB1eGjbJC-e5wv5wAKM4WmLMAS5KeF6EZJHB8Va3YqZUiaErqK_pxm&wd=&eqid=e8583fe70002d126000000065a99f864";
       //"https://d.pcs.baidu.com/file/a02c89a2d479d4fd2756f3313d42491d?fid=4232431903-250528-1114369760340736&dstime=1525491372&rt=sh&sign=FDtAERVY-DCb740ccc5511e5e8fedcff06b081203-3C13vkOkuk4TqXvVYW05zj1K0ao%3D&expires=8h&chkv=1&chkbd=0&chkpc=et&dp-logid=8651730921842106225&dp-callid=0&r=165533013";
       //"http://apk500.bce.baidu-mgame.com/game/67000/67734/20170622040827_oem_5502845.apk?r=1";
       //"https://dl.genymotion.com/releases/genymotion-2.12.1/genymotion-2.12.1-vbox.exe";
       //"http://9.9.9.59:5000/download/CentOS-7-x86_64-Minimal-1804.iso";
-      "https://firmwareapi.azurewebsites.net/firmware-overview?name=A19_Filament_W_IMG0038_00102411-encrypted.ota";
+      //"https://firmwareapi.azurewebsites.net/firmware-overview?name=A19_Filament_W_IMG0038_00102411-encrypted.ota";
   @Bind(R.id.start) Button mStart;
   @Bind(R.id.stop) Button mStop;
   @Bind(R.id.cancel) Button mCancel;
@@ -70,6 +70,7 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   @Override protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     Aria.download(this).register();
+    Log.d(TAG, "TAG========" + Aria.download(this).load(DOWNLOAD_URL).getTaskState() + "");
   }
 
   /**

build.gradle

@@ -39,7 +39,7 @@ task clean(type: Delete) {
 ext {
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
-  publishVersion = '3.5.2_dev_4'
+  publishVersion = '3.5.2_dev_5'
 //  publishVersion = '1.0.4'  //FTP插件
   repoName='maven'
   desc = 'android 下载框架'