allprojects {	repositories { maven { url 'https://jitpack.io' }	} ... } 

dependencies { implementation 'com.github.panxw:android-volley-manager:1.0.3.5' } 

//init default RequestManager.getInstance().init(this); 

//init with SSLSocketFactory RequestManager.getInstance().init(this, sslSocketFactory); 

//init with SSLSocketFactory & HostnameVerifier RequestManager.getInstance().init(this, sslSocketFactory, hostnameVerifier); 

public class MainActivity extends Activity implements RequestListener {	private static final String TAG = "VolleyTest";	private static final String GET_URL = "https://panxw.github.io/about.html";	private static final String POST_URL = "https://panxw.github.io/search?wd=test";	private static final String POST_JSON = "{\"action\":\"test\", \"info\":\"hello world\"}";	private static final String OUT_FILE = "upload.txt";	private static final String OUT_DATA = "df464764sdf3ds1f3adsf789213557r12-34912-482130487321";	private static final String UPLOAD_URL = "http://www.splashpadmobile.com/upload.php";	private LoadController mLoadController = null;	@Override	protected void onCreate(Bundle savedInstanceState) {	super.onCreate(savedInstanceState);	setContentView(R.layout.activity_main);	this.testGet();	this.testPost();	this.testFileUpload();	}	private void testGet() {	mLoadController = RequestManager.getInstance().get(GET_URL, this, 1);	}	private void testPost() {	mLoadController = RequestManager.getInstance().post(POST_URL, POST_JSON,	this, 0);	}	private void testFileUpload() {	MainActivity.prepareFile(this);	RequestMap params = new RequestMap();	File uploadFile = new File(this.getFilesDir(), OUT_FILE);	params.put("uploadedfile", uploadFile);	params.put("share", "1");	mLoadController = RequestManager.getInstance().post(UPLOAD_URL, params,	this, 2);	}	@Override	public void onSuccess(String response, Map<String, String> headers,	String url, int actionId) {	Log.d(TAG, "actionId:" + actionId + ", OnSucess!\n" + response);	}	@Override	public void onError(int errorCode, String errorMsg, String url, int actionId) {	Log.d(TAG, "actionId:" + actionId + ", onError: " + errorCode+", "+errorMsg);	}	@Override	public void onRequest() {	Log.d(TAG, "request send...");	}	@Override	public void onBackPressed() {	super.onBackPressed();	if (mLoadController != null) {	mLoadController.cancel();	}	}	private static void prepareFile(Context context) {	FileOutputStream fos = null;	try {	fos = context.openFileOutput(OUT_FILE, Context.MODE_PRIVATE);	try {	fos.write(OUT_DATA.getBytes());	} catch (IOException e) {	e.printStackTrace();	}	} catch (FileNotFoundException e) {	e.printStackTrace();	} finally {	if (fos != null) {	try {	fos.close();	} catch (IOException e) {	e.printStackTrace();	}	}	}	}	} 

Copyright (C) 2011 The Android Open Source Project Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.