wangbing
6 years ago
parent
930893176b
commit
c14d1d5a63
@ -0,0 +1,154 @@
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package ${domain}.base.util;
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import android.content.ContentUris;
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import android.content.Context;
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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 android.os.Environment;
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import android.provider.DocumentsContract;
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import android.provider.MediaStore;
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public class UriUtil {
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/**
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* Get a file path from a Uri. This will get the the path for Storage Access
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* Framework Documents, as well as the _data field for the MediaStore and
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* other file-based ContentProviders.
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*
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* @param context The context.
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* @param uri The Uri to query.
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* @author paulburke
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*/
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public static String getPath(final Context context, final Uri uri) {
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final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
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// DocumentProvider
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if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
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// ExternalStorageProvider
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if (isExternalStorageDocument(uri)) {
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final String docId = DocumentsContract.getDocumentId(uri);
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final String[] split = docId.split(":");
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final String type = split[0];
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if ("primary".equalsIgnoreCase(type)) {
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return Environment.getExternalStorageDirectory() + "/" + split[1];
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}
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// TODO handle non-primary volumes
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}
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// DownloadsProvider
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else if (isDownloadsDocument(uri)) {
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final String id = DocumentsContract.getDocumentId(uri);
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final Uri contentUri = ContentUris.withAppendedId(
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Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
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return getDataColumn(context, contentUri, null, null);
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}
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// MediaProvider
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else if (isMediaDocument(uri)) {
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final String docId = DocumentsContract.getDocumentId(uri);
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final String[] split = docId.split(":");
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final String type = split[0];
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Uri contentUri = null;
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if ("image".equals(type)) {
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contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
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} else if ("video".equals(type)) {
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contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
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} else if ("audio".equals(type)) {
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contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
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}
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final String selection = "_id=?";
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final String[] selectionArgs = new String[]{
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split[1]
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};
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return getDataColumn(context, contentUri, selection, selectionArgs);
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}
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}
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// MediaStore (and general)
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else if ("content".equalsIgnoreCase(uri.getScheme())) {
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// Return the remote address
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if (isGooglePhotosUri(uri))
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return uri.getLastPathSegment();
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return getDataColumn(context, uri, null, null);
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}
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// File
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else if ("file".equalsIgnoreCase(uri.getScheme())) {
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return uri.getPath();
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}
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return null;
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}
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/**
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* *
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* Get the value of the data column for this Uri. This is useful for
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* MediaStore Uris, and other file-based ContentProviders.
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*
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* @param context The context.
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* @param uri The Uri to query.
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* @param selection (Optional) Filter used in the query.
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* @param selectionArgs (Optional) Selection arguments used in the query.
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* @return The value of the _data column, which is typically a file path.
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*/
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public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
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Cursor cursor = null;
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final String column = "_data";
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final String[] projection = {
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column
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};
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try {
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cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
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null);
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if (cursor != null && cursor.moveToFirst()) {
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final int index = cursor.getColumnIndexOrThrow(column);
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return cursor.getString(index);
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}
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} finally {
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if (cursor != null)
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cursor.close();
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}
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return null;
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}
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/**
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* @param uri The Uri to check.
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* @return Whether the Uri authority is ExternalStorageProvider.
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*/
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public static boolean isExternalStorageDocument(Uri uri) {
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return "com.android.externalstorage.documents".equals(uri.getAuthority());
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}
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/**
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* @param uri The Uri to check.
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* @return Whether the Uri authority is DownloadsProvider.
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*/
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public static boolean isDownloadsDocument(Uri uri) {
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return "com.android.providers.downloads.documents".equals(uri.getAuthority());
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}
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/**
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* @param uri The Uri to check.
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* @return Whether the Uri authority is MediaProvider.
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*/
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public static boolean isMediaDocument(Uri uri) {
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return "com.android.providers.media.documents".equals(uri.getAuthority());
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}
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/**
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* @param uri The Uri to check.
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* @return Whether the Uri authority is Google Photos.
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*/
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public static boolean isGooglePhotosUri(Uri uri) {
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return "com.google.android.apps.photos.content".equals(uri.getAuthority());
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}
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}
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