android 4.4以上项目的选择文件和从图库中选择图片

/**
* 选择文件
*/
private void selectFileFromLocal() {
Intent intent = null;
if (Build.VERSION.SDK_INT < 19) {
intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
intent.addCategory(Intent.CATEGORY_OPENABLE);

} else {
intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.setType("*/*");
}
startActivityForResult(intent, REQUEST_CODE_SELECT_FILE);
}

/**
* 从图库获取图片
*/
public void selectPicFromLocal() {
Intent intent;
if (Build.VERSION.SDK_INT < 19) {
intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("image/*");
} else {
intent = new Intent(
Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
}
startActivityForResult(intent, REQUEST_CODE_LOCAL);
}
/**
* OS 4.4及以上的版本
*/
private static final int BUILD_VERSION_KITKAT = 19;

/**
* 通过Uri获取对应的路径地址，兼容4.4、5.0
*
* @param context
* @param uri
* @return
*/
public static String getPath(final Context context, final Uri uri) {

final boolean isKitKat = Build.VERSION.SDK_INT >= BUILD_VERSION_KITKAT;

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

if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/" + split[1];
}
}
// DownloadsProvider
else if (isDownloadsDocument(uri)) {
final String id = 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 = 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 the remote address
if (isGooglePhotosUri(uri))
return uri.getLastPathSegment();

return getDataColumn(context, uri, null, null);
}
// File
else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}

return null;
}
if (requestCode == REQUEST_CODE_SELECT_FILE) { // 发送选择的文件
if (data != null) {
Uri uri = data.getData();

4000
if (uri != null) {
}
}