android 资源浏览控件,Android：文件浏览器 使用

private static final int FILE_SELECT_CODE = 0;

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) {

// Potentially direct the user to the Market with a Dialog

Toast.makeText(this, "Please install a File Manager.",

Toast.LENGTH_SHORT).show();

}

}

@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();

Log.d(TAG, "File Uri: " + uri.toString());

// Get the path

String path = FileUtils.getPath(this, uri);//这里可能需要加个异常捕捉处理

Log.d(TAG, "File Path: " + path);

// Get the file instance

// File file = new File(path);

// Initiate the upload

}

break;

}

super.onActivityResult(requestCode, resultCode, data);

}

public static String getPath(Context context, Uri uri) throws URISyntaxException {

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;

}

文件浏览器效果.png

如果你能墙，下面的链接可以看看：

原文如下：

android-file-chooser

Android file chooser

A simple file chooser to android applications.

Possible add filters extensions, ex:

ArrayList extensions = new ArrayList();

extensions.add(".pdf");

extensions.add(".xls");

extensions.add(".xlsx");

intent.putStringArrayListExtra("filterFileExtension", extensions);

startActivityForResult(intent, FILE_CHOOSER);```

> Returns

```@Override

public void onActivityResult(int requestCode, int resultCode, Intent data) {

if ((requestCode == FILE_CHOOSER) && (resultCode == -1)) {

String fileSelected = data.getStringExtra("fileSelected");

Toast.makeText(this, fileSelected, Toast.LENGTH_SHORT).show();

}

}```