package com.lcjian.library.upgrade;
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import android.annotation.SuppressLint;
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import android.app.DownloadManager;
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import android.app.DownloadManager.Request;
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import android.app.IntentService;
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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.content.IntentFilter;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Build;
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import androidx.core.content.FileProvider;
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import android.util.Log;
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import android.webkit.MimeTypeMap;
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import java.io.File;
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@SuppressLint("NewApi")
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public class UpdateService extends IntentService {
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private long mDownLoadId;
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public UpdateService() {
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super("UpdateService");
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}
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@Override
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protected void onHandleIntent(Intent intent) {
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DownloadManager downloadManager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
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DownloadManager.Request request = new DownloadManager.Request(Uri.parse(intent.getStringExtra("download_url")));
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request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_MOBILE | DownloadManager.Request.NETWORK_WIFI);
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request.setAllowedOverRoaming(false);
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//设置文件类型
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MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton();
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String mimeString = mimeTypeMap.getMimeTypeFromExtension(MimeTypeMap.getFileExtensionFromUrl(intent.getStringExtra("download_url")));
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request.setMimeType(mimeString);
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//在通知栏中显示
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request.setNotificationVisibility(Request.VISIBILITY_VISIBLE);
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request.setVisibleInDownloadsUi(true);
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// sdcard的目录下的download文件夹
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request.setDestinationInExternalPublicDir("/download/", intent.getStringExtra("file_name"));
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request.setTitle(intent.getStringExtra("notification_title"));
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request.setDescription(intent.getStringExtra("notification_description"));
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mDownLoadId = downloadManager.enqueue(request);
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registerReceiver(receiver, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
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}
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private BroadcastReceiver receiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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// 这里可以取得下载的id，这样就可以知道哪个文件下载完成了。适用与多个下载任务的监听
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if (intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0) == mDownLoadId) {
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queryDownloadStatus(context, intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0));
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}
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}
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};
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private void queryDownloadStatus(Context context, long downloadId) {
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DownloadManager downloadManager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
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DownloadManager.Query query = new DownloadManager.Query();
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query.setFilterById(downloadId);
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Cursor c = downloadManager.query(query);
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if (c.moveToFirst()) {
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int status = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS));
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switch (status) {
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case DownloadManager.STATUS_PAUSED:
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Log.v("DownloadManager", "STATUS_PAUSED");
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case DownloadManager.STATUS_PENDING:
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Log.v("DownloadManager", "STATUS_PENDING");
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case DownloadManager.STATUS_RUNNING:
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// 正在下载，不做任何事情
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Log.v("DownloadManager", "STATUS_RUNNING");
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break;
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case DownloadManager.STATUS_SUCCESSFUL:
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Intent intent = new Intent(Intent.ACTION_VIEW);
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File file = new File("file://" + c.getString(c.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI)));
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//判断是否是AndroidN以及更高的版本
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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Uri contentUri = FileProvider.getUriForFile(context.getApplicationContext(), context.getPackageName() + ".fileprovider", file);
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intent.setDataAndType(contentUri, "application/vnd.android.package-archive");
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} else {
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Uri uri = Uri.fromFile(file);
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intent.setDataAndType(uri, "application/vnd.android.package-archive");
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intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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}
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context.startActivity(intent);
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// 完成
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Log.v("DownloadManager", "STATUS_SUCCESSFUL");
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break;
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case DownloadManager.STATUS_FAILED:
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// 清除已下载的内容，重新下载
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Log.v("DownloadManager", "STATUS_FAILED");
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downloadManager.remove(downloadId);
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break;
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}
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}
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}
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}
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