Detailed explanation of file download example implemented by downloadmanager in Android

• Android

Download Manager in Android realizes file download

download

Create download link

Set the network environment that allows downloading

WiFi network: downloadmanager.request.network_ WIFI

Mobile network: downloadmanager.request.network_ MOBILE

Notification displays the download progress

Set save path

download

The download returns a process ID

Cancel Download

Through the ID, you can download as needed

Download completed listening

When the download is completed, the system will send a broadcast. By registering a broadcast listener, you can monitor the completion of the download

The action of the broadcast is downloadmanager.action_ DOWNLOAD_ COMPLETE

Code

download

Broadcast receivers

register

realization

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