2.0版本开发

.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">

app/src/main/java/com/example/arial/downloaddemo/MainActivity.java

@@ -4,20 +4,16 @@ import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 import android.os.Message;
-import android.support.design.widget.FloatingActionButton;
-import android.support.design.widget.Snackbar;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.View;
-import android.view.Menu;
-import android.view.MenuItem;
 import android.widget.Button;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.arialyy.downloadutil.DownLoadUtil;
+import com.arialyy.downloadutil.util.DownLoadUtil;
-import com.arialyy.downloadutil.Util;
+import com.arialyy.downloadutil.util.Util;
 
 import java.net.HttpURLConnection;
 

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

@@ -0,0 +1,61 @@
+package com.arialyy.downloadutil;
+
+import android.content.Context;
+
+/**
+ * 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 {
+    /**
+     * 下载开始前事件
+     */
+    public static final String ACTION_PRE = "ACTION_PRE";
+
+    /**
+     * 开始下载事件
+     */
+    public static final String ACTION_START = "ACTION_START";
+
+    /**
+     * 恢复下载事件
+     */
+    public static final String ACTION_RESUME = "ACTION_RESUME";
+
+    /**
+     * 正在下载事件
+     */
+    public static final String ACTION_RUNNING = "ACTION_RUNNING";
+
+    /**
+     * 停止下载事件
+     */
+    public static final String ACTION_STOP = "ACTION_STOP";
+
+    /**
+     * 取消下载事件
+     */
+    public static final String ACTION_CANCEL = "ACTION_CANCEL";
+
+    /**
+     * 下载完成事件
+     */
+    public static final String ACTION_COMPLETE = "ACTION_COMPLETE";
+
+    /**
+     * 下载失败事件
+     */
+    public static final String ACTION_FAIL = "ACTION_FAIL";
+
+    private Context mContext;
+
+    private DownloadManager(Context context) {
+        mContext = context;
+//        ACTION_RUNNING = context.getPackageName();
+    }
+
+    public static DownloadManager getInstance(Context context) {
+        return new DownloadManager(context);
+    }
+
+}

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

@@ -0,0 +1,175 @@
+package com.arialyy.downloadutil.core;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Handler;
+import android.util.Log;
+
+import com.arialyy.downloadutil.DownloadManager;
+import com.arialyy.downloadutil.inf.IDownloadListener;
+import com.arialyy.downloadutil.util.DownLoadUtil;
+
+import java.net.HttpURLConnection;
+
+/**
+ * Created by lyy on 2016/8/11.
+ * 下载任务类
+ */
+public class Task {
+    public static final String TAG = "Task";
+    /**
+     * 下载路径
+     */
+    String            downloadUrl;
+    /**
+     * 保存路径
+     */
+    String            downloadPath;
+    /**
+     * 下载监听
+     */
+    IDownloadListener listener;
+    Handler           outHandler;
+    Context           context;
+    DownLoadUtil      util;
+
+    private Task() {
+        util = new DownLoadUtil();
+    }
+
+    /**
+     * 开始下载
+     */
+    public void start() {
+        if (util.isDownloading()) {
+            Log.d(TAG, "任务正在下载");
+        } else {
+            if (listener == null) {
+                listener = new DownloadListener(context, outHandler);
+            }
+            util.download(context, downloadUrl, downloadPath, listener);
+        }
+    }
+
+    /**
+     * 停止下载
+     */
+    public void stop() {
+        if (util.isDownloading()) {
+            util.stopDownload();
+        }
+    }
+
+    /**
+     * 取消下载
+     */
+    public void cancel() {
+        util.cancelDownload();
+    }
+
+    /**
+     * 下载监听类
+     */
+    static class DownloadListener extends DownLoadUtil.DownloadListener {
+        Handler outHandler;
+        Context context;
+        Intent  sendIntent;
+        long INTERVAL = 1024 * 10;   //10k大小的间隔
+        long lastLen = 0;   //上一次发送长度
+
+        public DownloadListener(Context context, Handler outHandler) {
+            this.context = context;
+            this.outHandler = outHandler;
+            sendIntent = new Intent();
+            sendIntent.addCategory(context.getPackageName());
+        }
+
+        @Override
+        public void onPreDownload(HttpURLConnection connection) {
+            super.onPreDownload(connection);
+            long len = connection.getContentLength();
+            Intent preIntent = new Intent();
+            preIntent.addCategory(context.getPackageName());
+
+        }
+
+        @Override
+        public void onResume(long resumeLocation) {
+            super.onResume(resumeLocation);
+            sendIntent.putExtra(DownloadManager.RESUME_LOCATION, resumeLocation);
+        }
+
+        @Override
+        public void onStart(long startLocation) {
+            super.onStart(startLocation);
+            sendIntent.putExtra(DownloadManager.START_LOCATION, startLocation);
+        }
+
+        @Override
+        public void onProgress(long currentLocation) {
+            super.onProgress(currentLocation);
+            if (currentLocation - lastLen > INTERVAL) { //不要太过于频繁发送广播
+                sendIntent.putExtra("progress", currentLocation);
+                sendBroadcast(sendIntent);
+                lastLen = currentLocation;
+            }
+        }
+
+        @Override
+        public void onStop(long stopLocation) {
+            super.onStop(stopLocation);
+            sendIntent.putExtra(DownloadManager.STOP_LOCATION, stopLocation);
+        }
+
+        @Override
+        public void onCancel() {
+            super.onCancel();
+        }
+
+        @Override
+        public void onComplete() {
+            super.onComplete();
+        }
+
+        @Override
+        public void onFail() {
+            super.onFail();
+        }
+    }
+
+    public static class Builder {
+        String            downloadUrl;
+        String            downloadPath;
+        IDownloadListener listener;
+        Handler           outHandler;
+        Context           context;
+
+        public Builder(Context context, String downloadUrl, String downloadPath) {
+            this.context = context;
+            this.downloadUrl = downloadUrl;
+            this.downloadPath = downloadPath;
+        }
+
+        public Builder setDownloadListener(IDownloadListener listener) {
+            this.listener = listener;
+            return this;
+        }
+
+        public Builder setOutHandler(Handler outHandler) {
+            this.outHandler = outHandler;
+            return this;
+        }
+
+        public Task builder() {
+            Task task = new Task();
+            task.context = context;
+            task.downloadUrl = downloadUrl;
+            task.downloadPath = downloadPath;
+            task.listener = listener;
+            task.outHandler = outHandler;
+            return task;
+        }
+
+    }
+
+}

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

@@ -1,4 +1,4 @@
-package com.arialyy.downloadutil;
+package com.arialyy.downloadutil.util;
 
 import android.content.Context;
 import android.support.annotation.NonNull;
@@ -22,7 +22,7 @@ import java.util.Properties;
 public class DownLoadUtil {
     private static final String TAG = "DownLoadUtil";
     //下载监听
-    private DownloadListener mListener;
+    private IDownloadListener mListener;
     /**
      * 线程数
      */
@@ -41,7 +41,7 @@ public class DownLoadUtil {
     private int mStopNum = 0;
     public DownLoadUtil() {
     }
-    public DownloadListener getListener(){
+    public IDownloadListener getListener(){
         return mListener;
     }
     /**
@@ -76,7 +76,7 @@ public class DownLoadUtil {
      * @param downloadListener 下载进度监听 {@link DownloadListener}
      */
     public void download(final Context context, @NonNull final String downloadUrl, @NonNull final String filePath,
-                         @NonNull final DownloadListener downloadListener) {
+                         @NonNull final IDownloadListener downloadListener) {
         isDownloading = true;
         mCurrentLocation = 0;
         isStop = false;

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

@@ -1,4 +1,4 @@
-package com.arialyy.downloadutil;
+package com.arialyy.downloadutil.util;
 
 import android.util.Log;