activity_main.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="getData"
android:text="get data" />
<ScrollView
android:id="@+id/scrollView1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
</ScrollView>
</LinearLayout>
MyWebService.java:
package com.ram.intentservice;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import android.app.IntentService;
import android.content.Intent;
public class MyWebService extends IntentService {
public MyWebService() {
super("DownloadService");
// TODO Auto-generated constructor stub
}
@Override
protected void onHandleIntent(Intent intent) {
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(
"http://www.cheesejedi.com/rest_services/get_big_cheese.php?puzzle=");
try {
HttpResponse response = httpclient.execute(httppost);
String jsonResult = inputStreamToString(
response.getEntity().getContent()).toString();
if (jsonResult != null) {
sendResultBroadcast(jsonResult);
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
private StringBuilder inputStreamToString(InputStream is) {
String rLine = "";
StringBuilder answer = new StringBuilder();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader rd = new BufferedReader(isr);
try {
while ((rLine = rd.readLine()) != null) {
answer.append(rLine);
}
}
catch (IOException e) {
e.printStackTrace();
}
return answer;
}
void sendResultBroadcast(String jsonResult) {
Intent in = new Intent();
in.putExtra("jsonresult", jsonResult);
in.setAction("com.ram.CUSTOM_BROADCAST");
sendBroadcast(in);
}
}
MainActivity.java:
package com.ram.intentservice;
import org.json.JSONArray;
import org.json.JSONException;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
public class MainActivity extends Activity {
TextView textView;
ProgressDialog pd;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
registerReceiver(new WebServiceBroadcast(), new IntentFilter(
"com.ram.CUSTOM_BROADCAST"));
textView = (TextView) findViewById(R.id.textView);
}
public void getData(View v) {
pd = ProgressDialog.show(MainActivity.this, "loading", "plz wait");
Intent intentService = new Intent(getApplicationContext(),
MyWebService.class);
startService(intentService);
}
class WebServiceBroadcast extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
pd.cancel();
String jsonResult = intent.getStringExtra("jsonresult");
JSONArray jsonArray = null;
try {
jsonArray = new JSONArray(jsonResult);
for (int i = 0; i < jsonArray.length(); i++) {
textView.append("id: "
+ jsonArray.getJSONObject(i).getString("id")
.toString() + "\n");
textView.append("level: "
+ jsonArray.getJSONObject(i).getString("level")
.toString() + "\n");
textView.append("time_in_secs: "
+ jsonArray.getJSONObject(i)
.getString("time_in_secs").toString()
+ "\n");
textView.append("par: "
+ jsonArray.getJSONObject(i).getString("par")
.toString() + "\n");
textView.append("initials: "
+ jsonArray.getJSONObject(i).getString("initials")
.toString() + "\n");
textView.append("quote: "
+ jsonArray.getJSONObject(i).getString("quote")
.toString() + "\n");
textView.append("time_stamp: "
+ jsonArray.getJSONObject(i)
.getString("time_stamp").toString() + "\n");
textView.append("" + "\n");
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
AndroidManifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.ram.intentservice"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.ram.intentservice.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name="MyWebService"></service>
</application>
</manifest>
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