<activity
      android:name="com.ipaulpro.afilechooser.FileChooserActivity"
      android:enabled="@bool/use_activity"
      android:exported="true"
      android:icon="@drawable/ic_launcher"
      android:label="@string/choose_file" >
      <intent-filter>
        <action android:name="android.intent.action.GET_CONTENT" />

        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.OPENABLE" />

        <data android:mimeType="*/*" />
      </intent-filter>
    </activity>

<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

 Intent getContentIntent = FileUtils.createGetContentIntent();
  Intent intent = Intent.createChooser(getContentIntent, "用aFileChooser选择文件");
  startActivityForResult(intent, REQUEST_CHOOSER);

@Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 switch (requestCode) {
 case REQUEST_CHOOSER:
  if (resultCode == RESULT_OK) {

  final Uri uri = data.getData();
  
  //此处返回的Uri包含的路径信息形如：content://com.android.providers.media.documents/document/image%3A16460
  Log.d("Uri", uri.toString());
  
  String path = FileUtils.getPath(this, uri);

  // Alternatively, use FileUtils.getFile(Context, Uri)
  if (path != null && FileUtils.isLocal(path)) {
   File file = new File(path);
   Toast.makeText(this, file.getAbsolutePath()+"", Toast.LENGTH_SHORT).show();
  }
  }
  break;
 }
 }

package zhangphil.demo;

import java.io.File;

import com.ipaulpro.afilechooser.utils.FileUtils;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends Activity {

 private static final int REQUEST_CHOOSER = 0x1234;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);

 findViewById(R.id.chooseButton).setOnClickListener(new View.OnClickListener() {

  @Override
  public void onClick(View v) {

  Intent getContentIntent = FileUtils.createGetContentIntent();
  Intent intent = Intent.createChooser(getContentIntent, "用aFileChooser选择文件");
  startActivityForResult(intent, REQUEST_CHOOSER);

  }
 });
 }

 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 switch (requestCode) {
 case REQUEST_CHOOSER:
  if (resultCode == RESULT_OK) {

  final Uri uri = data.getData();
  
  //此处返回的Uri包含的路径信息形如：content://com.android.providers.media.documents/document/image%3A16460
  Log.d("Uri", uri.toString());
  
  String path = FileUtils.getPath(this, uri);

  // Alternatively, use FileUtils.getFile(Context, Uri)
  if (path != null && FileUtils.isLocal(path)) {
   File file = new File(path);
   Toast.makeText(this, file.getAbsolutePath()+"", Toast.LENGTH_SHORT).show();
  }
  }
  break;
 }
 }
}