Android 文件的选择
打开文件选择器
private
void
showFileChooser() {
Intent intent =
new
Intent(Intent.ACTION_GET_CONTENT);
intent.setType(
"*/*"
);
intent.addCategory(Intent.CATEGORY_OPENABLE);
try
{
startActivityForResult( Intent.createChooser(intent,
"Select a File to Upload"
), FILE_SELECT_CODE);
}
catch
(android.content.ActivityNotFoundException ex) {
Toast.makeText(
this
,
"Please install a File Manager."
, Toast.LENGTH_SHORT).show();
}
}
|
选择的结果
@Override
protected
void
onActivityResult(
int
requestCode,
int
resultCode, Intent data) {
switch
(requestCode) {
case
FILE_SELECT_CODE:
if
(resultCode == RESULT_OK) {
// Get the Uri of the selected file
Uri uri = data.getData();
String path = FileUtils.getPath(
this
, uri);
}
break
;
}
super
.onActivityResult(requestCode, resultCode, data);
}
|
FileUtils文件
public
class
FileUtils {
public
static
String getPath(Context context, Uri uri) {
if
(
"content"
.equalsIgnoreCase(uri.getScheme())) {
String[] projection = {
"_data"
};
Cursor cursor =
null
;
try
{
cursor = context.getContentResolver().query(uri, projection,
null
,
null
,
null
);
int
column_index = cursor.getColumnIndexOrThrow(
"_data"
);
if
(cursor.moveToFirst()) {
return
cursor.getString(column_index);
}
}
catch
(Exception e) {
// Eat it
}
}
else
if
(
"file"
.equalsIgnoreCase(uri.getScheme())) {
return
uri.getPath();
}
return
null
;
}
}
|
这个很简单。
本文转自Work Hard Work Smart博客园博客，原文链接：http://www.cnblogs.com/linlf03/p/3267732.html，如需转载请自行联系原作者
