yehunxin
3 years ago
parent
e19f7cc51b
commit
521dca09a1
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package xyz.fycz.myreader.util.download; |
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import android.app.DownloadManager; |
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import android.content.BroadcastReceiver; |
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import android.content.Context; |
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import android.content.Intent; |
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import android.net.Uri; |
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import android.text.TextUtils; |
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import android.util.Log; |
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import static android.content.Context.DOWNLOAD_SERVICE; |
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public class DownloadCompleteReceiver extends BroadcastReceiver { |
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private static final String TAG = DownloadCompleteReceiver.class.getSimpleName(); |
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@Override |
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public void onReceive(Context context, Intent intent) { |
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Log.d(TAG, String.format("onReceive. intent:%s", intent != null ? intent.toUri(0) : null)); |
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if (intent != null) { |
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if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(intent.getAction())) { |
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long downloadId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1); |
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Log.d(TAG, String.format("downloadId:%s", downloadId)); |
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DownloadManager downloadManager = (DownloadManager) context.getSystemService(DOWNLOAD_SERVICE); |
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String type = downloadManager.getMimeTypeForDownloadedFile(downloadId); |
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Log.d(TAG, String.format("getMimeTypeForDownloadedFile:%s", type)); |
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if (TextUtils.isEmpty(type)) { |
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type = "*/*"; |
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} |
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Uri uri = downloadManager.getUriForDownloadedFile(downloadId); |
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Log.d(TAG, String.format("UriForDownloadedFile:%s", uri)); |
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if (uri != null) { |
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Intent handlerIntent = new Intent(Intent.ACTION_VIEW); |
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handlerIntent.setDataAndType(uri, type); |
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context.startActivity(handlerIntent); |
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} |
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context.unregisterReceiver(this); |
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} |
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} |
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} |
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} |
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package xyz.fycz.myreader.util.download; |
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import android.app.DownloadManager; |
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import android.content.Context; |
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import android.content.IntentFilter; |
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import android.net.Uri; |
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import android.os.Environment; |
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import android.util.Log; |
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import android.webkit.URLUtil; |
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import com.hjq.permissions.OnPermissionCallback; |
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import java.util.List; |
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import xyz.fycz.myreader.ui.dialog.DialogCreator; |
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import xyz.fycz.myreader.util.utils.StoragePermissionUtils; |
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import static android.content.Context.DOWNLOAD_SERVICE; |
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public class DownloadUtil { |
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private static final String TAG = DownloadUtil.class.getSimpleName(); |
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public static void downloadBySystem(Context context, String url, String contentDisposition, String mimeType) { |
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StoragePermissionUtils.request(context, (permissions, all) -> { |
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String fileName = URLUtil.guessFileName(url, contentDisposition, mimeType); |
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Log.d(TAG, String.format("fileName:%s", fileName)); |
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DialogCreator.createCommonDialog(context, "添加下载", |
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"确定要下载文件[" + fileName + "]吗？", true, (dialog, which) -> { |
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startDownload(context, url, contentDisposition, mimeType); |
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}, null); |
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}); |
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} |
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private static void startDownload(Context context, String url, String contentDisposition, String mimeType) { |
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registerReceiver(context); |
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// 指定下载地址
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DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url)); |
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// 允许媒体扫描，根据下载的文件类型被加入相册、音乐等媒体库
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request.allowScanningByMediaScanner(); |
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// 设置通知的显示类型，下载进行时和完成后显示通知
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request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); |
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// 设置通知栏的标题，如果不设置，默认使用文件名
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// request.setTitle("This is title");
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// 设置通知栏的描述
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// request.setDescription("This is description");
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// 允许在计费流量下下载
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request.setAllowedOverMetered(true); |
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// 允许该记录在下载管理界面可见
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request.setVisibleInDownloadsUi(true); |
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// 允许漫游时下载
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request.setAllowedOverRoaming(true); |
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// 允许下载的网路类型
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request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI); |
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// 设置下载文件保存的路径和文件名
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String fileName = URLUtil.guessFileName(url, contentDisposition, mimeType); |
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request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName); |
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// 另外可选一下方法，自定义下载路径
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// request.setDestinationUri()
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// request.setDestinationInExternalFilesDir()
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final DownloadManager downloadManager = (DownloadManager) context.getSystemService(DOWNLOAD_SERVICE); |
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// 添加一个下载任务
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long downloadId = downloadManager.enqueue(request); |
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Log.d(TAG, String.format("downloadId:%s", downloadId)); |
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} |
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public static void registerReceiver(Context context) { |
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// 使用
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DownloadCompleteReceiver receiver = new DownloadCompleteReceiver(); |
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IntentFilter intentFilter = new IntentFilter(); |
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intentFilter.addAction(DownloadManager.ACTION_DOWNLOAD_COMPLETE); |
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context.registerReceiver(receiver, intentFilter); |
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} |
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} |
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