Added cancel function to sample

Author: smarek

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

@@ -47,6 +47,7 @@ protected void onCreate(Bundle savedInstanceState) {
         headersEditText = (EditText) findViewById(R.id.edit_headers);
         bodyEditText = (EditText) findViewById(R.id.edit_body);
         Button runButton = (Button) findViewById(R.id.button_run);
+        Button cancelButton = (Button) findViewById(R.id.button_cancel);
         LinearLayout headersLayout = (LinearLayout) findViewById(R.id.layout_headers);
         LinearLayout bodyLayout = (LinearLayout) findViewById(R.id.layout_body);
         responseLayout = (LinearLayout) findViewById(R.id.layout_response);
@@ -57,6 +58,10 @@ protected void onCreate(Bundle savedInstanceState) {
         headersLayout.setVisibility(isRequestHeadersAllowed() ? View.VISIBLE : View.GONE);
 
         runButton.setOnClickListener(onClickListener);
+        if (isCancelButtonAllowed() && cancelButton != null) {
+            cancelButton.setVisibility(View.VISIBLE);
+            cancelButton.setOnClickListener(onClickListener);
+        }
     }
 
     private View.OnClickListener onClickListener = new View.OnClickListener() {
@@ -70,6 +75,9 @@ public void onClick(View v) {
                             getRequestEntity(),
                             getResponseHandler());
                     break;
+                case R.id.button_cancel:
+                    asyncHttpClient.cancelRequests(SampleParentActivity.this, true);
+                    break;
             }
         }
     };
@@ -172,6 +180,10 @@ protected final void clearOutputs() {
         responseLayout.removeAllViews();
     }
 
+    protected boolean isCancelButtonAllowed() {
+        return false;
+    }
+
     protected abstract int getSampleTitle();
 
     protected abstract boolean isRequestBodyAllowed();

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

@@ -8,12 +8,11 @@
 import org.apache.http.Header;
 import org.apache.http.HttpEntity;
 
-import java.util.Random;
-
 public class ThreadingTimeoutSample extends SampleParentActivity {
 
     private static final String LOG_TAG = "ThreadingTimeoutSample";
     private SparseArray<String> states = new SparseArray<String>();
+    private int counter = 0;
 
     @Override
     protected int getSampleTitle() {
@@ -30,6 +29,11 @@ protected boolean isRequestHeadersAllowed() {
         return false;
     }
 
+    @Override
+    protected boolean isCancelButtonAllowed() {
+        return true;
+    }
+
     @Override
     protected String getDefaultURL() {
         return "http://httpbin.org/delay/6";
@@ -48,7 +52,7 @@ private synchronized void setStatus(int id, String status) {
     protected AsyncHttpResponseHandler getResponseHandler() {
         return new AsyncHttpResponseHandler() {
 
-            private int id = new Random().nextInt(1000);
+            private int id = counter++;
 
             @Override
             public void onStart() {
@@ -69,6 +73,11 @@ public void onFinish() {
             public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
                 setStatus(id, "FAILURE");
             }
+
+            @Override
+            public void onCancel() {
+                setStatus(id, "CANCEL");
+            }
         };
     }
 

sample/src/main/res/layout/parent_layout.xml

@@ -31,6 +31,13 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="@string/button_run" />
+
+            <Button
+                android:id="@+id/button_cancel"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:visibility="gone"
+                android:text="@string/button_cancel" />
         </LinearLayout>
 
         <LinearLayout

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

@@ -12,4 +12,5 @@
     <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>
+    <string name="button_cancel">Cancel</string>
 </resources>