CODEWITHSUNDEEP
androidnetwork-programmingokhttp
user6118178
user6118178

Reputation:

okHttp :why my application is crashing didnt get response

Main activity

public class MainActivity extends AppCompatActivity { String response ;

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

public void click(View v) { GetExample example = new GetExample();

  try {
      response = example.run();
      Toast.makeText(MainActivity.this, "response is :" + response, Toast.LENGTH_LONG).show();

  } catch (IOException e) {
      Toast.makeText(MainActivity.this, "error" + e, Toast.LENGTH_LONG).show();

   }
  }
 }

GetExample class

public class GetExample { OkHttpClient client;

public String run() throws IOException {
     client = new OkHttpClient();
    Request request = new Request.Builder().url("http://grocit.pe.hu/getcategories.php").build();
    Response response = client.newCall(request).execute();
    return response.body().string();
}
}

Xml File

<RelativeLayout
  android:layout_height="match_parent"
   android:layout_width="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android">
<Button
    android:layout_width="300dp"
    android:layout_height="300dp"
    android:onClick="click"
    android:text="click me!"
    />
</RelativeLayout>

Upvotes: 1

Views: 1027

Answers (1)

settaratici
settaratici

Reputation: 309

For such crashing questions you can add your crash logs. I think this crash occurs for NetworkOnMainThreadException.This exception is thrown when your application attempts to perform a networking operation on its main thread. Your networking operations must perform on an another thread like : 

    Thread thread = new Thread() {
            @Override
            public void run() {
                // your run method
            }
        };
    thread.start();

Upvotes: 1

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