W/System.err﹕ java.lang.IllegalArgumentException: Unknown URL content://downloads/my_downloads
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异常:W/System.err﹕ java.lang.IllegalArgumentException: Unknown URL content://downloads/my_downloads
原文位置:http://stackoverflow.com/questions/21551538/how-to-enable-android-download-manager
问题描述:
I'm using Android Download Manager to download list of files. Lately I came across a crash report saying
Unknown java.lang.IllegalArgumentException: Unknown URL content://downloads/my_downloads
Then later, I figured it out that the reason is because user disabled Android Download Manager. I check if the Download Manager is disabled by checking it's package name with the code below.
int state = this.getPackageManager().getApplicationEnabledSetting("com.android.providers.downloads");
this.getPackageManager().setApplicationEnabledSetting("com.android.providers.downloads", PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);<uses-permission android:name="android.permission.CHANGE_COMPONENT_ENABLED_STATE"/>
So I thought it might not be reachable because of it is a system app. (Google Play App does it).
Is there any way to redirect the user to the Download Manager Application Info view ? to let the user enables it ? If there is no way to enable it on run time programmatically.
分析:也就是说,抛出此异常的原因可能是“下载管理器”处于“停用”状态
(待续,)
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