From bba0ccbdb18d34a908557ac546ede41796629c43 Mon Sep 17 00:00:00 2001 From: lyy <511455842@qq.com> Date: Thu, 11 Aug 2016 21:52:30 +0800 Subject: [PATCH] =?UTF-8?q?2.0=E7=89=88=E6=9C=AC=E5=BC=80=E5=8F=91?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .idea/misc.xml | 2 +- .../arial/downloaddemo/MainActivity.java | 8 +- .../arialyy/downloadutil/DownloadManager.java | 61 ++++++ .../com/arialyy/downloadutil/core/Task.java | 175 ++++++++++++++++++ .../downloadutil/{ => util}/DownLoadUtil.java | 8 +- .../arialyy/downloadutil/{ => util}/Util.java | 2 +- 6 files changed, 244 insertions(+), 12 deletions(-) create mode 100644 downloadutil/src/main/java/com/arialyy/downloadutil/DownloadManager.java create mode 100644 downloadutil/src/main/java/com/arialyy/downloadutil/core/Task.java rename downloadutil/src/main/java/com/arialyy/downloadutil/{ => util}/DownLoadUtil.java (98%) rename downloadutil/src/main/java/com/arialyy/downloadutil/{ => util}/Util.java (99%) diff --git a/.idea/misc.xml b/.idea/misc.xml index 04c63e41..ba75a422 100644 --- a/.idea/misc.xml +++ b/.idea/misc.xml @@ -53,7 +53,7 @@ - + diff --git a/app/src/main/java/com/example/arial/downloaddemo/MainActivity.java b/app/src/main/java/com/example/arial/downloaddemo/MainActivity.java index b8ab673c..1cf79432 100644 --- a/app/src/main/java/com/example/arial/downloaddemo/MainActivity.java +++ b/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; +import com.arialyy.downloadutil.util.DownLoadUtil; +import com.arialyy.downloadutil.util.Util; import java.net.HttpURLConnection; diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/DownloadManager.java b/downloadutil/src/main/java/com/arialyy/downloadutil/DownloadManager.java new file mode 100644 index 00000000..4abc2670 --- /dev/null +++ b/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); + } + +} diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/Task.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/Task.java new file mode 100644 index 00000000..3543771f --- /dev/null +++ b/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; + } + + } + +} diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/DownLoadUtil.java b/downloadutil/src/main/java/com/arialyy/downloadutil/util/DownLoadUtil.java similarity index 98% rename from downloadutil/src/main/java/com/arialyy/downloadutil/DownLoadUtil.java rename to downloadutil/src/main/java/com/arialyy/downloadutil/util/DownLoadUtil.java index 074d14f2..5e3edb94 100644 --- a/downloadutil/src/main/java/com/arialyy/downloadutil/DownLoadUtil.java +++ b/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; diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/Util.java b/downloadutil/src/main/java/com/arialyy/downloadutil/util/Util.java similarity index 99% rename from downloadutil/src/main/java/com/arialyy/downloadutil/Util.java rename to downloadutil/src/main/java/com/arialyy/downloadutil/util/Util.java index aebab92b..5f062728 100644 --- a/downloadutil/src/main/java/com/arialyy/downloadutil/Util.java +++ b/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;