Android客制化------禁止系统下载apk文件

话不多说，直接show code

diff --git a/packages/providers/DownloadProvider/src/com/android/providers/downloads/DownloadProvider.java b/packages/providers/DownloadProvidindex e6b2b1a..6f240ae 100644--- a/packages/providers/DownloadProvider/src/com/android/providers/downloads/DownloadProvider.java+++ b/packages/providers/DownloadProvider/src/com/android/providers/downloads/DownloadProvider.java@@ -85,6 +85,9 @@ public final class DownloadProvider extends ContentProvider {     /** Name of table in the database */     private static final String DB_TABLE = "downloads";+       private static final String[] APK_MIMETYPE = new String[]+               {"application/vnd.android.package-archive"};+     /** MIME type for the entire download list */     private static final String DOWNLOAD_LIST_TYPE = "vnd.android.cursor.dir/download";     /** MIME type for an individual download */@@ -536,6 +539,14 @@ public final class DownloadProvider extends ContentProvider {             throw new IllegalArgumentException("Unknown/Invalid URI " + uri);         }+               String mimeType = values.getAsString(Downloads.Impl.COLUMN_MIME_TYPE);+        for (String str: APK_MIMETYPE){+            if(mimeType.equals(str)){+                Log.d(Constants.TAG, "do not download apk MIMETYPE "+ str);+                return null;+            }+        }+         // copy some of the input values as it         ContentValues filteredValues = new ContentValues();         copyString(Downloads.Impl.COLUMN_URI, values, filteredValues);