Java 类android.provider.DocumentsContract 实例源码

项目：AndroidBookTest 文件：MainActivity.java

@TargetApi(19)
private void handleImageOnKitkat(Intent data){
    String imagePath=null;
    Uri uri=data.getData();
    if (DocumentsContract.isDocumentUri(this,uri)){
        //如果是document類型的Uri。則通過document id 處理
        String docId=DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())){
            String id=docId.split(":")[1];//解析出文字格式的id
            String selection=MediaStore.Images.Media._ID+"="+id;
            imagePath=getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,selection);
        } else if("com.android.providers.downloads.documents".equals(uri.getAuthority())){
            Uri contentUri= ContentUris.withAppendedId(Uri.parse("content://downloads/public" +
                    "_downloads"),Long.valueOf(docId));
        }
    }else if ("content".equalsIgnoreCase(uri.getScheme())){
        //如果是content類型的Uri，則是用普通方式處理
        imagePath=getImagePath(uri,null);
    }else if ("file".equalsIgnoreCase(uri.getScheme())){
        //如果是file類型的Uri，直接獲取圖片路徑即可
        imagePath=uri.getPath();
    }
    displayImage(imagePath);//根據圖片路徑顯示圖片
}

项目：CCDownload 文件：UploadFragment.java

@SuppressLint("NewApi") 
private String getRealPath(Uri uri){
    String filePath = null;
    String uriString = uri.toString();

    if(uriString.startsWith("content://media")){
        filePath = getDataColumn(context, uri, null, null);
    } else if (uriString.startsWith("file")){
        filePath = uri.getPath();
    } else if (uriString.startsWith("content://com")){
            String docId = DocumentsContract.getDocumentId(uri);  
            String[] split = docId.split(":");  
            Uri contentUri = null;  
            contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;  
            String selection = "_id=?";  
            String[] selectionArgs = new String[] {split[1]};  
            filePath = getDataColumn(context, contentUri, selection, selectionArgs);
    }

    return filePath;
}

项目：RantApp 文件：SelectPhotoFragment.java

private void handleImage(Uri uri){
    String imagePath = null;
    if(DocumentsContract.isDocumentUri(getActivity(), uri)){
        String docId = DocumentsContract.getDocumentId(uri);
        if("com.android.providers.media.documents".equals(uri.getAuthority())){
            String id = docId.split(":")[1];
            String selection = MediaStore.Images.Media._ID+"="+id;
            imagePath = getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection);

        }
        else if("com.android.providers.downloads.documents".equals(uri.getAuthority())){
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(docId));
            imagePath = getImagePath(contentUri, null);
        }
    }
    else if("content".equalsIgnoreCase(uri.getScheme())){
        imagePath = getImagePath(uri, null);
    }
    else if("file".equalsIgnoreCase(uri.getScheme())){
        imagePath = uri.getPath();
    }
    filePath = imagePath;
    Log.i(TAG, "handleImage: Album filepath"+filePath);
    getQiniuUpToken();
}

项目：DaiGo 文件：ModifyInfoActivity.java

/**
 * 执行打开相册逻辑
 */
@TargetApi(19)
private String handleImageOnKitKat(Intent data) {
    String imagePath = null;
    Uri uri = data.getData();
    if (DocumentsContract.isDocumentUri(this, uri)) {
        String docId = DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
            String id = docId.split(":")[1];
            String selection = MediaStore.Images.Media._ID + "=" + id;
            imagePath = getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection);
        } else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(docId));
            imagePath = getImagePath(contentUri, null);
        }
    } else if ("content".equalsIgnoreCase(uri.getScheme())) {
        imagePath = getImagePath(uri, null);
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        imagePath = uri.getPath();
    }
    return imagePath;
}

项目：DaiGo 文件：VerificationActivity.java

/**
 * 执行打开相册逻辑
 */
@TargetApi(19)
private String handleImageOnKitKat(Intent data) {
    String imagePath = null;
    Uri uri = data.getData();
    if (DocumentsContract.isDocumentUri(this, uri)) {
        String docId = DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
            String id = docId.split(":")[1];
            String selection = MediaStore.Images.Media._ID + "=" + id;
            imagePath = getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection);
        } else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(docId));
            imagePath = getImagePath(contentUri, null);
        }
    } else if ("content".equalsIgnoreCase(uri.getScheme())) {
        imagePath = getImagePath(uri, null);
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        imagePath = uri.getPath();
    }
    return imagePath;
}

项目：QNewsDemo 文件：MainActivity.java

@TargetApi(Build.VERSION_CODES.KITKAT)
public void handleImageOnKitKat(Intent data) {
    String imagePath=null;
    Uri uri=data.getData();
    if (DocumentsContract.isDocumentUri(this,uri)){
        //如果是document类型的Uri,则通过document id处理
        String docId=DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())){
            String id=docId.split(":")[1];//解析数字可是的id
            String selection=MediaStore.Images.Media._ID+"="+id;
            imagePath=getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,selection);

        }else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())){
            Uri contentUri= ContentUris.withAppendedId(Uri.parse("content://downloads/punlic_downloads"),Long.valueOf(docId));
            imagePath=getImagePath(contentUri,null);
        }
    }else if ("content".equalsIgnoreCase(uri.getScheme())){
        //如果是content类型的Uri，则使用普通方法
        imagePath=getImagePath(uri,null);
    }else  if ("file".equalsIgnoreCase(uri.getScheme())){
        imagePath=uri.getPath();
    }
    displayImage(imagePath);//根据图片路径显示图片
}

项目：labtablet 文件：FileMgr.java

@SuppressLint("NewApi")
public static String getRealPathFromURI_API19(Context context, Uri uri){
    String filePath = "";
    String wholeID = DocumentsContract.getDocumentId(uri);

    // Split at colon, use second item in the array
    String id = wholeID.split(":")[1];

    String[] column = { MediaStore.Images.Media.DATA };

    // where id is equal to
    String sel = MediaStore.Images.Media._ID + "=?";

    Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
            column, sel, new String[]{ id }, null);

    int columnIndex = cursor.getColumnIndex(column[0]);

    if (cursor.moveToFirst()) {
        filePath = cursor.getString(columnIndex);
    }
    cursor.close();
    return filePath;
}

项目：topnews 文件：SettingFragment.java

@TargetApi(19)
private void handleImageOnKitKat(Intent data){

    String imagePath=null;
    Uri uri=data.getData();
    if (DocumentsContract.isDocumentUri(getActivity(),uri)){
        //如果是 document 类型的 Uri，则通过document id处理
        String docId=DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())){
            String id=docId.split(":")[1];    //解析出数字格式的id
            String selection=MediaStore.Images.Media._ID+"="+id;
            imagePath=getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,selection);
        }else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())){
            Uri contentUri= ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(docId));
            imagePath=getImagePath(contentUri,null);
        }
    }else if ("content".equalsIgnoreCase(uri.getScheme())){
        //如果是content类型的Uri 则使用普通方式处理
        imagePath=getImagePath(uri,null);
    }else if ("file".equalsIgnoreCase(uri.getScheme())){
        //如果是file类型的Uri，直接获取图片路径即可
        imagePath=uri.getPath();
    }
    displayImage(imagePath);      //根据图片路径显示图片
}

项目：cwac-document 文件：DocumentsContractApi19.java

public static boolean canWrite(Context context, Uri self) {
    // Ignore if grant doesn't allow write
    if (context.checkCallingOrSelfUriPermission(self, Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
            != PackageManager.PERMISSION_GRANTED) {
        return false;
    }

    final String type = getRawType(context, self);
    final int flags = queryForInt(context, self, DocumentsContract.Document.COLUMN_FLAGS, 0);

    // Ignore documents without MIME
    if (TextUtils.isEmpty(type)) {
        return false;
    }

    // Deletable documents considered writable
    if ((flags & DocumentsContract.Document.FLAG_SUPPORTS_DELETE) != 0) {
        return true;
    }

    if (DocumentsContract.Document.MIME_TYPE_DIR.equals(type)
            && (flags & DocumentsContract.Document.FLAG_DIR_SUPPORTS_CREATE) != 0) {
        // Directories that allow create considered writable
        return true;
    } else if (!TextUtils.isEmpty(type)
            && (flags & DocumentsContract.Document.FLAG_SUPPORTS_WRITE) != 0) {
        // Writable normal files considered writable
        return true;
    }

    return false;
}

项目：cwac-document 文件：DocumentsContractApi21.java

public static Uri[] listFiles(Context context, Uri self) {
    final ContentResolver resolver = context.getContentResolver();
    final Uri childrenUri = DocumentsContract.buildChildDocumentsUriUsingTree(self,
            DocumentsContract.getDocumentId(self));
    final ArrayList<Uri> results = new ArrayList<Uri>();

    Cursor c = null;
    try {
        c = resolver.query(childrenUri, new String[] {
                DocumentsContract.Document.COLUMN_DOCUMENT_ID }, null, null, null);
        while (c.moveToNext()) {
            final String documentId = c.getString(0);
            final Uri documentUri = DocumentsContract.buildDocumentUriUsingTree(self,
                    documentId);
            results.add(documentUri);
        }
    } catch (Exception e) {
        Log.w(TAG, "Failed query: " + e);
    } finally {
        closeQuietly(c);
    }

    return results.toArray(new Uri[results.size()]);
}

项目：YZxing 文件：UriUtils.java

private static String getPicturePathFromUriAboveApi19(Context context, Uri uri) {
    String filePath = null;
    if (DocumentsContract.isDocumentUri(context, uri)) {
        // 如果是document类型的 uri, 则通过document id来进行处理
        String documentId = DocumentsContract.getDocumentId(uri);
        if (isMediaDocument(uri)) { // MediaProvider
            // 使用':'分割
            String id = documentId.split(":")[1];

            String selection = MediaStore.Images.Media._ID + "=?";
            String[] selectionArgs = {id};
            filePath = getDataColumn(context, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection, selectionArgs);
        } else if (isDownloadsDocument(uri)) { // DownloadsProvider
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(documentId));
            filePath = getDataColumn(context, contentUri, null, null);
        }
    } else if ("content".equalsIgnoreCase(uri.getScheme())) {
        // 如果是 content 类型的 Uri
        filePath = getDataColumn(context, uri, null, null);
    } else if ("file".equals(uri.getScheme())) {
        // 如果是 file 类型的 Uri,直接获取图片对应的路径
        filePath = uri.getPath();
    }
    return filePath;
}

项目：CameraAlbumTest 文件：MainActivity.java

@TargetApi(19)
private void handleImageOnKitKat(Intent data){
    String imagePath = null;
    Uri uri = data.getData();
    if(DocumentsContract.isDocumentUri(this,uri)){
        String docId = DocumentsContract.getDocumentId(uri);
        if("com.android.provider.media,documents".equals(uri.getAuthority())){
            String id = docId.split(":")[1];
            String selection = MediaStore.Images.Media._ID + "=" + id;
            imagePath = getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,selection);
        }else if("com.android.provider.downloads.documents".equals(uri.getAuthority())){
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),Long.valueOf(docId));
                    imagePath = getImagePath(contentUri,null);
        }
    }else if("content".equalsIgnoreCase(uri.getScheme())){
        imagePath = getImagePath(uri,null);
    }else if("file".equalsIgnoreCase(uri.getScheme())){
        imagePath = uri.getPath();
    }
    displayImage(imagePath);//根据图片路径显示图片
}

项目：mvvm-template 文件：FileHelper.java

@Nullable public static String getPath(@NonNull Context context, @NonNull Uri uri) {
    String filePath = null;
    try {
        String wholeID = DocumentsContract.getDocumentId(uri);
        String id = wholeID.split(":")[1];
        String[] column = {MediaStore.Images.Media.DATA};
        String sel = MediaStore.Images.Media._ID + "=?";
        try (Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                column, sel, new String[]{id}, null)) {
            if (cursor != null) {
                int columnIndex = cursor.getColumnIndex(column[0]);
                if (cursor.moveToFirst()) {
                    filePath = cursor.getString(columnIndex);
                }
            }
        }
    } catch (Exception ignored) {}
    return filePath;
}

项目：The-Three-kingdoms-Generals-Dictionary 文件：InfoActivity.java

private String handleImage(Intent data) {
    imagePath = null;
    Uri uri = data.getData();
    if (DocumentsContract.isDocumentUri(this, uri)) {
        String docId = DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
            String id = docId.split(":")[1];
            String selection = MediaStore.Images.Media._ID + "=" + id;
            imagePath = getPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection);
        } else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
            Uri contentUri = ContentUris.withAppendedId(
                    Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(docId));
            imagePath = getPath(contentUri, null);
        }
    } else if ("content".equalsIgnoreCase(uri.getScheme())) {
        imagePath = getPath(uri, null);
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        imagePath = uri.getPath();
    }
    return imagePath;
}

项目：FireFiles 文件：DocumentsContractApi19.java

public static boolean canWrite(Context context, Uri self) {
    // Ignore if grant doesn't allow write
    if (context.checkCallingOrSelfUriPermission(self, Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
            != PackageManager.PERMISSION_GRANTED) {
        return false;
    }

    final String type = getRawType(context, self);
    final int flags = queryForInt(context, self, DocumentsContract.Document.COLUMN_FLAGS, 0);

    // Ignore documents without MIME
    if (TextUtils.isEmpty(type)) {
        return false;
    }

    // Deletable documents considered writable
    if ((flags & DocumentsContract.Document.FLAG_SUPPORTS_DELETE) != 0) {
        return true;
    }

    if (DocumentsContract.Document.MIME_TYPE_DIR.equals(type)
            && (flags & DocumentsContract.Document.FLAG_DIR_SUPPORTS_CREATE) != 0) {
        // Directories that allow create considered writable
        return true;
    } else if (!TextUtils.isEmpty(type)
            && (flags & DocumentsContract.Document.FLAG_SUPPORTS_WRITE) != 0) {
        // Writable normal files considered writable
        return true;
    }

    return false;
}

项目：FireFiles 文件：DocumentsContractApi21.java

public static Uri[] listFiles(Context context, Uri self) {
    final ContentResolver resolver = context.getContentResolver();
    final Uri childrenUri = DocumentsContract.buildChildDocumentsUriUsingTree(self,
            DocumentsContract.getDocumentId(self));
    final ArrayList<Uri> results = new ArrayList<Uri>();

    Cursor c = null;
    try {
        c = resolver.query(childrenUri, new String[] {
                DocumentsContract.Document.COLUMN_DOCUMENT_ID }, null, null, null);
        while (c.moveToNext()) {
            final String documentId = c.getString(0);
            final Uri documentUri = DocumentsContract.buildDocumentUriUsingTree(self,
                    documentId);
            results.add(documentUri);
        }
    } catch (Exception e) {
        Log.w(TAG, "Failed query: " + e);
    } finally {
        closeQuietly(c);
    }

    return results.toArray(new Uri[results.size()]);
}

项目：SuperNote 文件：EditNotePresenter.java

@TargetApi(19)
    private void handleImageOnKitKat(Intent data) {
        String imagePath = null;
        Uri uri = data.getData();
        if (DocumentsContract.isDocumentUri(mView.getActivity(), uri)) {
//            如果是documentlent类型的URI，则通过docment id处理
            String docId = DocumentsContract.getDocumentId(uri);
            if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
                String id = docId.split(":")[1];
                String selection = MediaStore.Images.Media._ID + "=" + id;
                imagePath = getImagePatch(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection);
            } else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
                Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(docId));
                imagePath = getImagePatch(contentUri, null);
            }
        } else if ("content".equalsIgnoreCase(uri.getScheme())) {
//            如果是content类型的uri的话，则使用普通方式处理
            imagePath = getImagePatch(uri, null);
        } else if ("file".equalsIgnoreCase(uri.getScheme())) {
//            若果是file类型的uri，则直接获取图片路径
            imagePath = uri.getPath();
        }
        copyFileInOtherThread(imagePath);
    }

项目：boohee_v5.6 文件：DocumentsContractApi21.java

public static Uri[] listFiles(Context context, Uri self) {
    ContentResolver resolver = context.getContentResolver();
    Uri childrenUri = DocumentsContract.buildChildDocumentsUriUsingTree(self, DocumentsContract.getDocumentId(self));
    ArrayList<Uri> results = new ArrayList();
    Cursor c = null;
    try {
        c = resolver.query(childrenUri, new String[]{"document_id"}, null, null, null);
        while (c.moveToNext()) {
            results.add(DocumentsContract.buildDocumentUriUsingTree(self, c.getString(0)));
        }
    } catch (Exception e) {
        Log.w(TAG, "Failed query: " + e);
    } finally {
        closeQuietly(c);
    }
    return (Uri[]) results.toArray(new Uri[results.size()]);
}

项目：microMathematics 文件：AdapterDocuments.java

@Override
public void setUri(Uri uri_)
{
    if (this.uri == null && isTreeUri(uri_))
    {
        try
        {
            ctx.getContentResolver().takePersistableUriPermission(uri_,
                    Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        this.uri = DocumentsContract.buildDocumentUriUsingTree(uri_, DocumentsContract.getTreeDocumentId(uri_));
    }
    else
    {
        this.uri = uri_;
    }
}

项目：microMathematics 文件：AdapterDocuments.java

private static int getDirItemsNumber(Context ctx, Uri u)
{
    int itemsNumber = 0;
    Cursor c = null;
    try
    {
        ContentResolver cr = ctx.getContentResolver();
        String dirId = DocumentsContract.getDocumentId(u);
        Uri dirUri = DocumentsContract.buildChildDocumentsUriUsingTree(u, dirId);
        c = cr.query(dirUri, projection, null, null, null);
        if (c != null)
        {
            itemsNumber = c.getCount();
        }
    }
    catch (Exception e)
    {
        // notning to do;
    }
    finally
    {
        if (c != null)
        {
            c.close();
        }
    }
    return itemsNumber;
}

项目：microMathematics 文件：AdapterDocuments.java

@Override
public boolean renameItem(int position, String newName)
{
    ContentResolver cr = ctx.getContentResolver();
    Item item = items[position - 1];
    Uri new_uri = null;
    try
    {
        new_uri = DocumentsContract.renameDocument(cr, (Uri) item.origin, newName);
    }
    catch (FileNotFoundException e)
    {
        e.printStackTrace();
        return false;
    }
    if (new_uri == null)
    {
        return false;
    }
    item.origin = new_uri;
    notifyRefr(newName);
    return true;
}

项目：microMathematics 文件：AdapterDocuments.java

@Override
public void createFolder(String new_name)
{
    try
    {
        Uri new_uri = DocumentsContract.createDocument(ctx.getContentResolver(), uri, Document.MIME_TYPE_DIR,
                new_name);
        if (new_uri != null)
        {
            notifyRefr(new_name);
            return;
        }
    }
    catch (Exception e)
    {
        e.printStackTrace();
    }
    notify(ctx.getString(R.string.fman_create_folder_error, new_name), CommanderIf.OPERATION_FAILED);
}

项目：XposedNavigationBar 文件：ImageUtil.java

/**
 * @param data
 * @return 图片路径
 */
public static String handleImageOnKitKat(Intent data) {
    String imagePath = "";
    Log.i(TAG, "handleImageOnKitKat: ");

    Uri uri = data.getData();
    if (DocumentsContract.isDocumentUri(MyApplication.getContext(), uri)) {
        //如果是document类型的uri，则通过document id处理
        String docId = DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
            String id = docId.split(":")[1];//解析出数字格式的ID
            String selection = MediaStore.Images.Media._ID + "=" + id;
            imagePath = getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection);
        } else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(docId));
            imagePath = getImagePath(contentUri, null);
        }
    } else if ("content".equalsIgnoreCase(uri.getScheme())) {
        //如果是content类型的uri，则使用普通的方式处理
        imagePath = getImagePath(uri, null);
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        //如果是file类型的uri，直接获取图片路径即可
        imagePath = uri.getPath();
    }
    return imagePath;
}

项目：StorageManager 文件：StoragePermissionManager.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static boolean checkPersistUriPermissionsAndUpdate(Context context, DocumentFolder documentFolder)
{
    Uri uri = documentFolder.getFolder().getUri();
    List<UriPermission> permissions = context.getContentResolver().getPersistedUriPermissions();
    for (UriPermission permission : permissions)
    {
        String permissionTreeId = DocumentsContract.getTreeDocumentId(permission.getUri());
        String uriTreeId = DocumentsContract.getTreeDocumentId(uri);
        if (uriTreeId.startsWith(permissionTreeId))
        {
            // update permissions - after a restart this is necessary...
            updatePersistUriPermissions(context, uri);
            documentFolder.updateDocument(DocumentFile.fromTreeUri(context, permission.getUri()));
            return true;
        }
    }
    return false;
}

项目：StorageManager 文件：StoragePermissionManager.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static boolean checkPersistUriPermissionsAndUpdate(Context context, StorageDocument storageDocument)
{
    Uri uri = storageDocument.getUri();
    List<UriPermission> permissions = context.getContentResolver().getPersistedUriPermissions();
    for (UriPermission permission : permissions)
    {
        String permissionTreeId = DocumentsContract.getTreeDocumentId(permission.getUri());
        String uriTreeId = DocumentsContract.getTreeDocumentId(uri);
        if (uriTreeId.startsWith(permissionTreeId))
        {
            // update permissions - after a restart this is necessary...
            updatePersistUriPermissions(context, uri);
            storageDocument.setWrapped(DocumentFile.fromTreeUri(context, permission.getUri()));
            return true;
        }
    }
    return false;
}

项目：BiBi 文件：AvatarUtils.java

@TargetApi(Build.VERSION_CODES.KITKAT)
public void handleImageBeforeKitkat(Intent data) {
    String imagePath=null;
    Uri uri=data.getData();
    if(DocumentsContract.isDocumentUri(mActivity, uri)){
        String docid=DocumentsContract.getDocumentId(uri);
        if("com.android.providers.media.documents".equals(uri.getAuthority())){
            String id=docid.split(":")[1];
            String selection= MediaStore.Images.Media._ID+"="+id;
            imagePath=getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,selection);
        }else if("com.android.providers.downloads.documents".equals(uri.getAuthority())){
            Uri contentUri= ContentUris.withAppendedId(
                    Uri.parse("content://downloads/public_downloads"), Long.valueOf(docid));
            imagePath=getImagePath(contentUri,null);
        }
    }else if("content".equalsIgnoreCase(uri.getScheme())){
        imagePath=getImagePath(uri,null);
    }
    //剪裁图片
    cropImage(imagePath);
}

项目：permissionsModule 文件：DocumentsContractApi21.java

public static Uri[] listFiles(Context context, Uri self) {
    final ContentResolver resolver = context.getContentResolver();
    final Uri childrenUri = DocumentsContract.buildChildDocumentsUriUsingTree(self,
            DocumentsContract.getDocumentId(self));
    final ArrayList<Uri> results = new ArrayList<Uri>();

    Cursor c = null;
    try {
        c = resolver.query(childrenUri, new String[] {
                DocumentsContract.Document.COLUMN_DOCUMENT_ID }, null, null, null);
        while (c.moveToNext()) {
            final String documentId = c.getString(0);
            final Uri documentUri = DocumentsContract.buildDocumentUriUsingTree(self,
                    documentId);
            results.add(documentUri);
        }
    } catch (Exception e) {
        Log.w(TAG, "Failed query: " + e);
    } finally {
        closeQuietly(c);
    }

    return results.toArray(new Uri[results.size()]);
}

项目：NoobFileChooser 文件：NoobSAFManager.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static NoobFile buildTreeFile(Activity activity, Uri uri) throws SecurityException {
    if (uri == null)
        return null;
    ContentResolver contentResolver = activity.getContentResolver();
    Uri docUri = DocumentsContract.buildDocumentUriUsingTree(uri,
            DocumentsContract.getTreeDocumentId(uri));

    Cursor docCursor = contentResolver.query(docUri, new String[]{
            DocumentsContract.Document.COLUMN_DISPLAY_NAME, DocumentsContract.Document.COLUMN_MIME_TYPE, DocumentsContract.Document.COLUMN_DOCUMENT_ID}, null, null, null);
    if (docCursor != null && docCursor.moveToNext()) {
        Log.d(TAG, "found doc =" + docCursor.getString(0) + ", mime=" + docCursor
                .getString(1));
        NoobFile file = new NoobFile(activity, docCursor, uri, true);
        docCursor.close();
        return file;
    }
    return null;
}

项目：android-base-framework 文件：FileUtils.java

@TargetApi(Build.VERSION_CODES.KITKAT)
public static String getPath(final Context context, final Uri uri) {

    final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

    try {
        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            return handleKitKatVersion(context, uri);
        } // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {
            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }
    } catch (Exception e) {
        DebugLog.e(e.getMessage());
    }
    return null;
}

项目：SiliCompressor 文件：SiliCompressor.java

@SuppressLint("NewApi")
public static String getRealPathFromURI_API19(Context context, Uri uri){
    String filePath = "";
    String wholeID = DocumentsContract.getDocumentId(uri);

    // Split at colon, use second item in the array
    String id = wholeID.split(":")[1];

    String[] column = { MediaStore.Images.Media.DATA };

    // where id is equal to
    String sel = MediaStore.Images.Media._ID + "=?";

    Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
            column, sel, new String[]{ id }, null);

    int columnIndex = cursor.getColumnIndex(column[0]);

    if (cursor.moveToFirst()) {
        filePath = cursor.getString(columnIndex);
    }
    cursor.close();
    return filePath;
}

项目：DocumentActivity 文件：BaseActivity.java

@TargetApi(Build.VERSION_CODES.KITKAT)
@Override
protected void onActivityResult(final int requestCode, int resultCode, final Intent data)
{
    super.onActivityResult(requestCode, resultCode, data);
    switch (requestCode)
    {
        // Grab the selected permission so we can generate valid test files paths
        case REQUEST_CODE_WRITE_PERMISSION:
            if (resultCode == RESULT_OK && data != null)
            {
                Snackbar.make(findViewById(android.R.id.content), data.getDataString(), Snackbar.LENGTH_SHORT).show();
                String root = DocumentsContract.getTreeDocumentId(data.getData());
                test1Uri = DocumentsContract.buildDocumentUriUsingTree(data.getData(), root + documentId1);
                test2Uri = DocumentsContract.buildDocumentUriUsingTree(data.getData(), root + documentId2);
            }
            break;
    }
}

项目：DocumentActivity 文件：DocumentsContractApi21.java

public static Uri[] listFiles(Context context, Uri self) {
    final ContentResolver resolver = context.getContentResolver();
    final Uri childrenUri = DocumentsContract.buildChildDocumentsUriUsingTree(self,
            DocumentsContract.getDocumentId(self));
    final ArrayList<Uri> results = new ArrayList<Uri>();

    Cursor c = null;
    try {
        c = resolver.query(childrenUri, new String[] {
                DocumentsContract.Document.COLUMN_DOCUMENT_ID }, null, null, null);
        while (c.moveToNext()) {
            final String documentId = c.getString(0);
            final Uri documentUri = DocumentsContract.buildDocumentUriUsingTree(self,
                    documentId);
            results.add(documentUri);
        }
    } catch (Exception e) {
        Log.w(TAG, "Failed query: " + e);
    } finally {
        closeQuietly(c);
    }

    return results.toArray(new Uri[results.size()]);
}

项目：DocumentActivity 文件：DocumentUtil.java

/**
 * Returns a uri to a neighbor file within the same folder.  This can be used to get an assumed uri
 * to a neighbor within a folder.  This avoids heavy calls to DocumentFile.listFiles or
 * write-locked createFile
 *
 * This will only work with a uri that is an hierarchical tree similar to SCHEME_FILE
 * @param hierarchicalTreeUri folder to install into
 * @param filename filename of child file
 * @return Uri to the child file
 */
@Nullable
public static Uri getNeighborUri(@NonNull Uri hierarchicalTreeUri, String filename)
{
    String documentId = getDocumentId(hierarchicalTreeUri);
    if (documentId == null)
        return null;

    String root = getRoot(documentId);
    if (root == null)
        return null;

    String[] parts = getPathSegments(documentId);
    if (parts == null)
        return null;

    parts[parts.length-1] = filename; // replace the filename
    String path = TextUtils.join("/", parts);
    String neighborId = createNewDocumentId(root, path);
    return DocumentsContract.buildDocumentUriUsingTree(hierarchicalTreeUri, neighborId);
}

项目：DocumentActivity 文件：UsefulDocumentFile.java

public String getDocumentId()
{

    try
    {
        if (DocumentsContract.isDocumentUri(mContext, mUri))
        {
            return DocumentsContract.getDocumentId(mUri);
        } else
        {
            return DocumentsContract.getTreeDocumentId(mUri);
        }
    }
    catch (IllegalArgumentException e)
    {
        // This is not a document uri, for now I'll try to handle this gracefully.
        // While it may be convenient for a user to be able to use this object for all uri,
        // it may be difficult to manage all aspects gracefully.
        return null;
    }
}

项目：FirstCodeUtil 文件：AtyChoosePic.java

@TargetApi(19)
private void handleImageOnKitKat(Intent data) {
    String imagePath = null;
    Uri uri = data.getData();
    if (DocumentsContract.isDocumentUri(this,uri)) {
        // 如果是document类型的Uri，则通过document id处理
        String docId = DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
            String id = docId.split(":")[1]; // 解析出数字格式的ID
            String selection = MediaStore.Images.Media._ID+"="+id;
            imagePath = getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,selection);
        } else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),Long.valueOf(docId));
            imagePath = getImagePath(contentUri,null);
        }

    } else if ("content".equalsIgnoreCase(uri.getScheme())) {
        // 如果不是document类型的Uri，则使用普通方式处理
        imagePath = getImagePath(uri,null);
    }
    // 根据图片路径显示图片
    displayImage(imagePath);
}

项目：idec-mobile 文件：FechoFilesProvider.java

public MatrixCursor.RowBuilder queryFile(AbstractTransport transport,
                                         MatrixCursor result, String id) {

    FEchoFile file_entry = transport.getFileMeta(id);
    String filename = file_entry.filename;

    if (!filename.contains(".") || !file_entry.existsLocally()) return null;
    else {
        MatrixCursor.RowBuilder row = result.newRow();

        int dotindex = filename.lastIndexOf(".") + 1;
        String extension = filename.substring(dotindex).toLowerCase();
        String mimetype = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);

        row.add(DocumentsContract.Document.COLUMN_DOCUMENT_ID, "idecfile://" + id);
        row.add(DocumentsContract.Document.COLUMN_DISPLAY_NAME, filename);
        row.add(DocumentsContract.Document.COLUMN_FLAGS, null);
        row.add(DocumentsContract.Document.COLUMN_MIME_TYPE, mimetype);
        row.add(DocumentsContract.Document.COLUMN_SIZE, file_entry.serverSize);
        row.add(DocumentsContract.Document.COLUMN_LAST_MODIFIED, null);

    }
    return null;
}

项目：DigitalImageProcessing 文件：RealPathHelper.java

@SuppressLint("NewApi")
  public static String getRealPathFromUriApi19(Context context, Uri uri){
    String filePath = "";
    String wholeId = DocumentsContract.getDocumentId(uri);

    // Split at colon, use second item in the array
    String id = wholeId.split(":")[1];

    String[] column = { MediaStore.Images.Media.DATA };

    // where id is equal to
    String selection = MediaStore.Images.Media._ID + "=?";

    Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, column, selection, new String[]{ id }, null);

    int columnIndex = cursor.getColumnIndex(column[0]);

    if (cursor.moveToFirst()) {
        filePath = cursor.getString(columnIndex);
    }
    cursor.close();
    return filePath;
}

项目：MyPlan 文件：LifeActivity.java

@TargetApi(19)
private void handleImageOnKitKat(Intent data){
    String imagePath=null;
    Uri uri=data.getData();
    if(DocumentsContract.isDocumentUri(this,uri)){
        String docId=DocumentsContract.getDocumentId(uri);
        if("com.android.providers.media.documents".equals(uri.getAuthority())){
            String id=docId.split(":")[1];
            String selection=MediaStore.Images.Media._ID+"="+id;
            imagePath=getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,selection);
        }else if("com.android.providers.downloads.documents".equals(uri.getAuthority())){
            Uri contentUri=ContentUris.withAppendedId(Uri.parse("cintent://downloads/public_downloads"),Long.valueOf(docId));
            imagePath=getImagePath(contentUri,null);
        }   
    }else if("content".equalsIgnoreCase(uri.getScheme())){
        imagePath=getImagePath(uri,null);
    }
    displayImage(imagePath);
}

项目：HelloAndroid 文件：CameraAlbumActivity.java

@TargetApi(Build.VERSION_CODES.KITKAT)
private void handleImageAfterKitKat(Intent data) {
    String imagePath = null;
    Uri uri = data.getData();
    if (DocumentsContract.isDocumentUri(mContext, uri)) {
        //如果是document类型的Uri，则通过document id处理
        String docId = DocumentsContract.getDocumentId(uri);
        if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
            String id = docId.split(":")[1];    //解析出数字格式的id
            String selection = MediaStore.Images.Media._ID + "=" + id;
            imagePath = getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection);
        } else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(docId));
            imagePath = getImagePath(contentUri, null);
        }
    } else if ("content".equalsIgnoreCase(uri.getScheme())) {
        //如果是content类型的Uri，则使用普通方式处理
        imagePath = getImagePath(uri, null);
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        //如果是file类型的Uri，直接获取图片路径即可
        imagePath = uri.getPath();
    }
    displayImage(imagePath);
}

项目：ShoppingApp 文件：my_account_fragment.java

@TargetApi(19)
private void handleImageOnKitKat(Intent data){
    String imagePath = null;
    Uri uri = data.getData();
    Log.i("test","Uri="+uri);
    if(DocumentsContract.isDocumentUri(getContext(), uri)){
        String docId = DocumentsContract.getDocumentId(uri);
        if("com.android.providers.media.documents".equals(uri.getAuthority())){
            String id = docId.split(":")[1];
            String selection = MediaStore.Images.Media._ID+"="+id;
            imagePath = getImagePath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,selection);
            Log.i("test","4.4以上的imagePath="+imagePath);
        }else if("com.android.providers.downloads.documents".equals(uri.getAuthority())){
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(docId));
            imagePath = getImagePath(contentUri,null);
            Log.i("test","4.4以上的imagePath="+imagePath);
        }
    }else if("content".equalsIgnoreCase(uri.getScheme())){
        imagePath = getImagePath(uri,null);
        Log.i("test","4.4以上的imagePath="+imagePath);
    }
    displayImage(imagePath);
}