not do

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

@@ -3,7 +3,8 @@ package com.arialyy.downloadutil.core;
 import android.content.Context;
 import com.arialyy.downloadutil.core.scheduler.OnSchedulerListener;
 
-public class AMEntity {
-  Context context;
+public class AMTarget {
+  Context             context;
   OnSchedulerListener listener;
+  DownloadEntity      entity;
 }

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

@@ -42,14 +42,9 @@ public class Aria {
     mDownloadManager = DownloadManager.init(context);
   }
 
-  public static Aria get(Context context) {
-    if (INSTANCE == null) {
-      synchronized (LOCK) {
-        INSTANCE = new Aria();
-      }
-    }
-    return INSTANCE;
-  }
+  //public static AriaManager whit(Context context) {
+  //  return AriaManager.getInstance().get(context);
+  //}
 
   /**
    * 开始下载

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

@@ -1,36 +1,93 @@
 package com.arialyy.downloadutil.core;
 
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.app.Application;
 import android.content.Context;
-import com.arialyy.downloadutil.core.scheduler.OnSchedulerListener;
+import android.os.Build;
+import android.os.Bundle;
 import java.util.HashMap;
 import java.util.Map;
 
 /**
  * Created by lyy on 2016/12/1.
  */
-public class AriaManager {
-  private Map<String, AMEntity> mAria = new HashMap<>();
+@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) public class AriaManager {
+  private static final    Object                LOCK     = new Object();
+  private static volatile AriaManager           INSTANCE = null;
+  private                 Map<String, AMTarget> mTargets = new HashMap<>();
+  private DownloadManager mManager;
+  private LifeCallback    mLifeCallback;
 
-  private static final Object LOCK = new Object();
-  private static volatile AriaManager INSTANCE = null;
-
-  private AriaManager(){
+  private AriaManager(Context context) {
+    regAppLifeCallback(context);
+    mManager = DownloadManager.init(context);
   }
 
-  public static AriaManager getInstance() {
+  public static AriaManager getInstance(Context context) {
     if (INSTANCE == null) {
       synchronized (LOCK) {
-        INSTANCE = new AriaManager();
+        INSTANCE = new AriaManager(context);
       }
     }
     return INSTANCE;
   }
 
-  public synchronized void get(Context context){
-
+  private void putTarget(Context context) {
+    String   clsName = context.getClass().getName();
+    AMTarget target  = mTargets.get(clsName);
+    if (target == null) {
+      target = new AMTarget();
+      mTargets.put(clsName, target);
+    }
   }
 
+  private AMTarget getTarget(Context context) {
+    return mTargets.get(context.getClass().getName());
+  }
 
+  /**
+   * 注册APP生命周期回调
+   */
+  private void regAppLifeCallback(Context context) {
+    Context app = context.getApplicationContext();
+    if (app instanceof Application) {
+      mLifeCallback = new LifeCallback();
+      ((Application) app).registerActivityLifecycleCallbacks(mLifeCallback);
+    }
+  }
 
+  /**
+   * Activity生命周期
+   */
+  private class LifeCallback implements Application.ActivityLifecycleCallbacks {
 
+    @Override public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
+
+    }
+
+    @Override public void onActivityStarted(Activity activity) {
+
+    }
+
+    @Override public void onActivityResumed(Activity activity) {
+
+    }
+
+    @Override public void onActivityPaused(Activity activity) {
+
+    }
+
+    @Override public void onActivityStopped(Activity activity) {
+
+    }
+
+    @Override public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
+
+    }
+
+    @Override public void onActivityDestroyed(Activity activity) {
+
+    }
+  }
 }