Sample of POST multiple files (5) as Multipart-encoded data using RequestParams

Author: smarek

sample/src/main/AndroidManifest.xml

@@ -31,6 +31,7 @@
         <activity android:name=".SynchronousClientSample"/>
         <activity android:name=".IntentServiceSample"/>
         <activity android:name=".SaxSample"/>
+        <activity android:name=".FilesSample"/>
 
         <service android:name=".services.ExampleIntentService"/>
     </application>

sample/src/main/java/com/loopj/android/http/sample/FilesSample.java

@@ -0,0 +1,64 @@
+package com.loopj.android.http.sample;
+
+import android.util.Log;
+
+import com.loopj.android.http.AsyncHttpClient;
+import com.loopj.android.http.RequestHandle;
+import com.loopj.android.http.RequestParams;
+import com.loopj.android.http.ResponseHandlerInterface;
+
+import org.apache.http.Header;
+import org.apache.http.HttpEntity;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.util.Random;
+
+public class FilesSample extends PostSample {
+
+    public static final String LOG_TAG = "PostFilesSample";
+
+    @Override
+    public int getSampleTitle() {
+        return R.string.title_post_files;
+    }
+
+    @Override
+    public boolean isRequestBodyAllowed() {
+        return false;
+    }
+
+    @Override
+    public RequestHandle executeSample(AsyncHttpClient client, String URL, Header[] headers, HttpEntity entity, ResponseHandlerInterface responseHandler) {
+        try {
+            RequestParams params = new RequestParams();
+            params.put("fileOne", createTempFile("fileOne", 20));
+            params.put("fileTwo", createTempFile("fileTwo", 30));
+            params.put("fileThree", createTempFile("fileThree", 40));
+            params.put("fileFour", createTempFile("fileFour", 50));
+            params.put("fileFive", createTempFile("fileFive", 60));
+            return client.post(this, URL, params, responseHandler);
+        } catch (FileNotFoundException fnfException) {
+            Log.e(LOG_TAG, "executeSample failed with FileNotFoundException", fnfException);
+        }
+        return null;
+    }
+
+    public File createTempFile(String namePart, int byteSize) {
+        try {
+            File f = File.createTempFile(namePart, "_handled", getCacheDir());
+            FileOutputStream fos = new FileOutputStream(f);
+            Random r = new Random();
+            byte[] buffer = new byte[byteSize];
+            r.nextBytes(buffer);
+            fos.write(buffer);
+            fos.flush();
+            fos.close();
+            return f;
+        } catch (Throwable t) {
+            Log.e(LOG_TAG, "createTempFile failed", t);
+        }
+        return null;
+    }
+}

sample/src/main/java/com/loopj/android/http/sample/WaypointsActivity.java

@@ -45,7 +45,8 @@ public class WaypointsActivity extends ListActivity {
             R.string.title_cancel_all,
             R.string.title_cancel_handle,
             R.string.title_synchronous,
-            R.string.title_intent_service_sample
+            R.string.title_intent_service_sample,
+            R.string.title_post_files
     };
     private static final Class[] targets = {
             GetSample.class,
@@ -62,7 +63,8 @@ public class WaypointsActivity extends ListActivity {
             CancelAllRequestsSample.class,
             CancelRequestHandleSample.class,
             SynchronousClientSample.class,
-            IntentServiceSample.class
+            IntentServiceSample.class,
+            FilesSample.class
     };
 
     @Override

sample/src/main/res/values/strings.xml

@@ -16,6 +16,7 @@
     <string name="title_threading_timeout">Threading timeouts</string>
     <string name="title_gzip_sample">GET Gzipped JSON and parse it</string>
     <string name="title_intent_service_sample">IntentService Synchronised Request</string>
+    <string name="title_post_files">Post Multipart-encoded files</string>
     <string name="button_run">Run</string>
     <string name="label_headers">Headers (key=val, one per line)</string>
     <string name="label_req_body">Request body</string>