android资源选择器URI路径问题

http://blog.youkuaiyun.com/huangyanan1989/article/details/17263203#

方式一：

//		try {
		//			if (resultCode != RESULT_OK) {
		//				return;
		//			} else if (requestCode == IMAGE_CODE && resultCode == RESULT_OK) {
		//				Uri uriVideo = data.getData();
		//				Cursor cursor = this.getContentResolver().query(uriVideo, null,
		//						null, null, null);
		//				if (cursor.moveToNext()) {
		//					String filePath = cursor.getString(cursor
		//							.getColumnIndex("_data"));
		//					edt_upload_file.setText(filePath);
		//				}
		//			}
		//		} catch (Exception e) {
		//			e.printStackTrace();
		//		}

方式二：

//方式二
		//		try {
		//			if (resultCode != RESULT_OK) {
		//				return;
		//			} else if (requestCode == IMAGE_CODE && resultCode == RESULT_OK) {
		//				Uri selectedVideoUri = data.getData();
		//				String s1 = data.getDataString();
		//				String selectedVideoPath = getPath(selectedVideoUri);
		//				if(selectedVideoPath==null && s1 != null)
		//				{
		//					selectedVideoPath = s1.replaceAll("file://","");
		//				}
		//				edt_upload_file.setText(selectedVideoPath);
		//			} 
		//		}catch (Exception e) {
		//			e.printStackTrace();
		//		}

方式三：

		//方式三
		//		Uri contentUri = data.getData();String filePath = null;
		//		if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT){
		//			String wholeID = DocumentsContract.getDocumentId(contentUri);
		//			String id = wholeID.split(":")[1];
		//			String[] column = { MediaStore.Images.Media.DATA };
		//			String sel = MediaStore.Images.Media._ID + "=?";
		//			Cursor cursor = 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();
		//		}else{
		//			String[] projection = { MediaStore.Images.Media.DATA };
		//			Cursor cursor = getContentResolver().query(contentUri, projection, null, null, null);
		//			int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
		//			cursor.moveToFirst();
		//			filePath = cursor.getString(column_index);
		//		}
		//		edt_upload_file.setText(filePath);

方式四：

//方式四
		Uri contentUri = data.getData();
		String filePath = VideoSelect.getPath(this, contentUri);
		edt_upload_file.setText(filePath);

package com.handsight.launcher.ui;

import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

public class VideoSelect {
	/**
	 * Get a file path from a Uri. This will get the the path for Storage Access
	 * Framework Documents, as well as the _data field for the MediaStore and
	 * other file-based ContentProviders.
	 *
	 * @param context The context.
	 * @param uri The Uri to query.
	 * @author paulburke
	 */
	public static String getPath(final Context context, final Uri uri) {

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

		// DocumentProvider
		if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
			// ExternalStorageProvider
			if (isExternalStorageDocument(uri)) {
				final String docId = DocumentsContract.getDocumentId(uri);
				final String[] split = docId.split(":");
				final String type = split[0];

				if ("primary".equalsIgnoreCase(type)) {
					return Environment.getExternalStorageDirectory() + "/" + split[1];
				}

				// TODO handle non-primary volumes
			}
			// DownloadsProvider
			else if (isDownloadsDocument(uri)) {

				final String id = DocumentsContract.getDocumentId(uri);
				final Uri contentUri = ContentUris.withAppendedId(
						Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

				return getDataColumn(context, contentUri, null, null);
			}
			// MediaProvider
			else if (isMediaDocument(uri)) {
				final String docId = DocumentsContract.getDocumentId(uri);
				final String[] split = docId.split(":");
				final String type = split[0];

				Uri contentUri = null;
				if ("image".equals(type)) {
					contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
				} else if ("video".equals(type)) {
					contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
				} else if ("audio".equals(type)) {
					contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
				}

				final String selection = "_id=?";
				final String[] selectionArgs = new String[] {
						split[1]
				};

				return getDataColumn(context, contentUri, selection, selectionArgs);
			}
		}
		// 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();
		}

		return null;
	}

	/**
	 * Get the value of the data column for this Uri. This is useful for
	 * MediaStore Uris, and other file-based ContentProviders.
	 *
	 * @param context The context.
	 * @param uri The Uri to query.
	 * @param selection (Optional) Filter used in the query.
	 * @param selectionArgs (Optional) Selection arguments used in the query.
	 * @return The value of the _data column, which is typically a file path.
	 */
	public static String getDataColumn(Context context, Uri uri, String selection,
			String[] selectionArgs) {

		Cursor cursor = null;
		final String column = "_data";
		final String[] projection = {
				column
		};

		try {
			cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
					null);
			if (cursor != null && cursor.moveToFirst()) {
				final int column_index = cursor.getColumnIndexOrThrow(column);
				return cursor.getString(column_index);
			}
		} finally {
			if (cursor != null)
				cursor.close();
		}
		return null;
	}


	/**
	 * @param uri The Uri to check.
	 * @return Whether the Uri authority is ExternalStorageProvider.
	 */
	public static boolean isExternalStorageDocument(Uri uri) {
		return "com.android.externalstorage.documents".equals(uri.getAuthority());
	}

	/**
	 * @param uri The Uri to check.
	 * @return Whether the Uri authority is DownloadsProvider.
	 */
	public static boolean isDownloadsDocument(Uri uri) {
		return "com.android.providers.downloads.documents".equals(uri.getAuthority());
	}

	/**
	 * @param uri The Uri to check.
	 * @return Whether the Uri authority is MediaProvider.
	 */
	public static boolean isMediaDocument(Uri uri) {
		return "com.android.providers.media.documents".equals(uri.getAuthority());
	}
}

方式四最全面： 所有问题都考虑到了