fix bug https://github.com/AriaLyy/Aria/issues/688

fix bug https://github.com/AriaLyy/Aria/issues/690
m3u8任务增加`setUseDefConvert()`方法，用于处理默认的m3u8任务

PublicComponent/src/main/java/com/arialyy/aria/core/group/SimpleSchedulers.java

@@ -20,6 +20,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import com.arialyy.aria.core.AriaConfig;
+import com.arialyy.aria.core.TaskRecord;
 import com.arialyy.aria.core.config.Configuration;
 import com.arialyy.aria.core.inf.IThreadStateManager;
 import com.arialyy.aria.core.loader.IRecordHandler;
@@ -169,10 +170,11 @@ final class SimpleSchedulers implements Handler.Callback {
    */
   private synchronized void handleComplete(AbsSubDLoadUtil loader) {
     ALog.d(TAG, String.format("子任务【%s】完成", loader.getEntity().getFileName()));
-    if (loader.getRecord().isBlock) {
+    TaskRecord record = loader.getRecord();
+    if (record != null && record.isBlock) {
       File partFile =
-          new File(String.format(IRecordHandler.SUB_PATH, loader.getRecord().filePath, 0));
-      partFile.renameTo(new File(loader.getRecord().filePath));
+          new File(String.format(IRecordHandler.SUB_PATH, record.filePath, 0));
+      partFile.renameTo(new File(record.filePath));
     }
     ThreadTaskManager.getInstance().removeTaskThread(loader.getKey());
     mGState.listener.onSubComplete(loader.getEntity());

PublicComponent/src/main/java/com/arialyy/aria/core/loader/SubLoader.java

@@ -106,6 +106,11 @@ public final class SubLoader implements ILoader, ILoaderVisitor {
     }
 
     record = recordHandler.getRecord(wrapper.getEntity().getFileSize());
+    if (record == null){
+      ALog.d(TAG, "子任务记录为空");
+      sendFailState(false);
+      return;
+    }
     if (record.threadRecords != null
         && !TextUtils.isEmpty(record.filePath)
         && new File(record.filePath).exists()

PublicComponent/src/main/java/com/arialyy/aria/core/processor/IBandWidthUrlConverter.java

@@ -27,8 +27,9 @@ public interface IBandWidthUrlConverter extends IEventHandler {
    * 转换码率地址为可用的http地址，对于某些服务器，返回的切片信息有可能是相对地址，也可能是处理过的，
    * 对于这种情况，你需要使用url转换器将地址转换为可正常访问的http地址
    *
+   * @param m3u8Url m3u8url地址
    * @param bandWidthUrl 原始码率地址
    * @return 可正常访问的http地址
    */
-  String convert(String bandWidthUrl);
+  String convert(String m3u8Url, String bandWidthUrl);
 }

PublicComponent/src/main/java/com/arialyy/aria/core/processor/ILiveTsUrlConverter.java

@@ -30,5 +30,5 @@ public interface ILiveTsUrlConverter extends IEventHandler {
    * @param tsUrl ts文件下载地址
    * @return 转换后的http地址
    */
-  public String convert(String m3u8Url, String tsUrl);
+  String convert(String m3u8Url, String tsUrl);
 }

PublicComponent/src/main/java/com/arialyy/aria/orm/SqlHelper.java

@@ -171,8 +171,11 @@ final class SqlHelper extends SQLiteOpenHelper {
 
   private void createDbCacheDir() {
     String cacheDir = mContext.getCacheDir().getPath() + "/AriaDbCacheDir";
-    boolean rs = new File(cacheDir).mkdir();
-    ALog.d(TAG, rs + "");
+    File cacheFile = new File(cacheDir);
+    if (!cacheFile.exists()){
+      boolean rs = cacheFile.mkdirs();
+      ALog.d(TAG, rs + "");
+    }
     super.getReadableDatabase()
         .execSQL("PRAGMA temp_store_directory = '" + cacheDir + "'");
     mainTmpDirSet = true;