我正在推出使用以下代码选择文档的意图.
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"),1);
} catch (android.content.ActivityNotFoundException ex) {
// Potentially direct the user to the Market with a Dialog
Toast.makeText(this,"Please install a File Manager.",Toast.LENGTH_SHORT).show();
}
}
在onActivity结果中,当我尝试获取文件路径时,它会给出一些其他数字的文件名.
@Override
protected void onActivityResult(int requestCode,int resultCode,Intent data) {
switch (requestCode) {
case 1:
if (resultCode == RESULT_OK) {
// Get the Uri of the selected file
Uri uri = data.getData();
File myFile = new File(uri.toString());
String path = myFile.getAbsolutePath();
}
break;
}
super.onActivityResult(requestCode,resultCode,data);
}
那个路径值我就这样得到了.
“内容：//com.android.providers.downloads.documents/document/1433”
但我想要真正的文件名,如doc1.pdf等..如何得到它？
解决方法
当您获得内容：// uri时,您需要查询内容解析器,然后获取显示名称.
@Override
protected void onActivityResult(int requestCode,Intent data) {
switch (requestCode) {
case 1:
if (resultCode == RESULT_OK) {
// Get the Uri of the selected file
Uri uri = data.getData();
String uriString = uri.toString();
File myFile = new File(uriString);
String path = myFile.getAbsolutePath();
String displayName = null;
if (uriString.startsWith("content://")) {
Cursor cursor = null;
try {
cursor = getActivity().getContentResolver().query(uri,null,null);
if (cursor != null && cursor.moveToFirst()) {
displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
}
} finally {
cursor.close();
}
} else if (uriString.startsWith("file://")) {
displayName = myFile.getName();
}
}
break;
}
super.onActivityResult(requestCode,data);
}
