DEV'S

WebService - HTTP POST - AsyncTask - JSON Parsing

URLs for WS response
http://devsonline.in/design/DevBank.war

Tomcat Manager login configuration
http://devsonline.in/design/tomcat-users.xml

Tomcat 7 Download
http://devsonline.in/design/apache.jar

HttpPostExampleActivity.java
package com.dev.cts.mywebserviceexample;

import android.os.AsyncTask;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;

public class HttpPostExampleActivity extends ActionBarActivity {

    private EditText firstName,lastName,age,streetAddress,city,state,postalCode,homePhone,fax;

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

        firstName = (EditText)findViewById(R.id.firstname);
        lastName = (EditText)findViewById(R.id.lastname);
        age = (EditText)findViewById(R.id.age);
        streetAddress = (EditText)findViewById(R.id.streetaddress);
        city = (EditText)findViewById(R.id.city);
        state = (EditText)findViewById(R.id.state);
        postalCode = (EditText)findViewById(R.id.postalcode);
        homePhone = (EditText)findViewById(R.id.homephone);
        fax = (EditText)findViewById(R.id.fax);

        ActionBar actionBar = getSupportActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
    }

    public void loadPostBtnClicked(View view){
        CallHttpPostService callHttpPostService = new CallHttpPostService();
        callHttpPostService.execute("http://10.0.2.2:8080/DevBank/checklogin.htm");
        //callHttpPostService.execute("http://devsonline.in:8080/DevBank/checklogin.htm");
    }

    private class CallHttpPostService extends AsyncTask<String,Void,String>{

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
        }

        @Override
        protected String doInBackground(String… params) {

            String url = params[0];
            StringBuilder stringBuilder = new StringBuilder();
            HttpClient httpClient = new DefaultHttpClient();
            HttpPost httpPost = new HttpPost(url);

            ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
            nameValuePairs.add(new BasicNameValuePair("username","admin"));
            nameValuePairs.add(new BasicNameValuePair("password","password"));

            try {
                httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
                HttpResponse httpResponse = httpClient.execute(httpPost); // time taking process
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(httpResponse.getEntity().getContent(),"UTF-8"),2*1024);
                String line = null;
                while ((line = bufferedReader.readLine()) != null){
                  stringBuilder.append(line).append("\n");
                }

            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            } catch (ClientProtocolException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }

            return stringBuilder.toString();
        }

        @Override
        protected void onPostExecute(String result) {
            super.onPostExecute(result);
            //editText.setText(result);
            try {
                JSONObject jsonObject = new JSONObject(result);
                String status = jsonObject.getString("status");
                if (status.equals("OK")){
                    JSONObject resultObject = jsonObject.getJSONObject("result");
                    firstName.setText(resultObject.getString("firstName"));
                    lastName.setText(resultObject.getString("lastName"));
                    age.setText(Integer.toString(resultObject.getInt("age")));
                    JSONObject addressObject = resultObject.getJSONObject("address");
                    streetAddress.setText(addressObject.getString("streetAddress"));
                    city.setText(addressObject.getString("city"));
                    state.setText(addressObject.getString("state"));
                    postalCode.setText(addressObject.getString("postalCode"));
                    JSONArray phoneArray = resultObject.getJSONArray("phoneNumber");
                    for (int i=0; i<phoneArray.length(); i++){
                        String type = phoneArray.getJSONObject(i).getString("type");
                        if (type.equals("home")){
                            homePhone.setText(phoneArray.getJSONObject(i).getString("number"));
                        }else if (type.equals("fax")){
                            fax.setText(phoneArray.getJSONObject(i).getString("number"));
                        }
                    }
                }else{

                    Toast.makeText(HttpPostExampleActivity.this,"Login failed",Toast.LENGTH_LONG).show();
                }
            } catch (JSONException e) {
                e.printStackTrace();
            }

        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        //getMenuInflater().inflate(R.menu.menu_http_post_example, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }else if (id == android.R.id.home){
            finish();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

HttpGetExampleActivity.java

package com.dev.cts.mywebserviceexample;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;

public class HttpGetExampleActivity extends ActionBarActivity {

    private EditText editText;
    private ArrayList<String> addresses = new ArrayList<String>();

    private ListView listView;

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

        editText = (EditText)findViewById(R.id.edit_text);
        listView = (ListView)findViewById(R.id.listview);

        ActionBar actionBar = getSupportActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);

    }

    private void refreshAdapter(){
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,addresses);
        listView.setAdapter(adapter);
    }

    public void loadGetBtnClicked(View v){
        CallWebServiceGet callWebServiceGet = new CallWebServiceGet(this);
        callWebServiceGet.execute("https://maps.googleapis.com/maps/api/geocode/json?latlng=12.823539,80.219490");
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        //getMenuInflater().inflate(R.menu.menu_http_get_example, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }else if (id == android.R.id.home){
            finish();
        }

        return super.onOptionsItemSelected(item);
    }

    private class CallWebServiceGet extends AsyncTask<String,Void,String>{

        private ProgressDialog progressDialog;
        public CallWebServiceGet(Context context){
            progressDialog = ProgressDialog.show(context,"Loading","About to connect to server");
        }

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            progressDialog.setMessage("Almost ready to connect with server..Doing pre checks");
        }

        @Override
        protected String doInBackground(String… params) {
            progressDialog.setMessage("Connected to server..Please wait while we fetch results");

            String url = params[0];
            StringBuilder stringBuilder = new StringBuilder();

            HttpClient httpClient = new DefaultHttpClient();
            HttpGet httpGet = null;

            try {
                httpGet = new HttpGet(new URI(url));
                HttpResponse httpResponse = httpClient.execute(httpGet); // time taking process
                InputStream inputStream = httpResponse.getEntity().getContent();
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream,"UTF-8"),2*1024);
                String line = null;
                while ((line = bufferedReader.readLine()) != null){
                    stringBuilder.append(line).append("\n");
                }

            } catch (IOException e) {
                e.printStackTrace();
            } catch (URISyntaxException e) {
                e.printStackTrace();
            }

            return stringBuilder.toString();
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            progressDialog.dismiss();
            editText.setText(s);

            try {
                JSONObject jsonObject = new JSONObject(s);
                JSONArray resultArray = jsonObject.getJSONArray("results");
                addresses = new ArrayList<String>();
                for (int i = 0; i<resultArray.length(); i++){
                   addresses.add(resultArray.getJSONObject(i).getString("formatted_address"));
                   Log.d("DTA",resultArray.getJSONObject(i).getString("formatted_address"));
                }

                refreshAdapter();

            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    }
}

MainActivity.java

package com.dev.cts.mywebserviceexample;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

public class MainActivity extends ActionBarActivity {

    private ImageView imageView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        imageView = (ImageView)findViewById(R.id.imageview);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    public void loadImageBtnClicked(View v){
        //myStr("hi","how","are","you","iam","fine","here","hi","hi");
        ImageWebService imageWebService = new ImageWebService(this);
        imageWebService.execute("http://10.0.2.2:8080/mypic/obama.jpeg");
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }else if (id == R.id.action_get){
            Intent intent = new Intent(this,HttpGetExampleActivity.class);
            startActivity(intent);
        }else if (id == R.id.action_post){
            Intent intent = new Intent(this,HttpPostExampleActivity.class);
            startActivity(intent);
        }

        return super.onOptionsItemSelected(item);

    }

    private void myStr(String… s){

        for (int i = 0; i<s.length; i++){
            Log.d("Args",s[i]);
        }

    }

    private class ImageWebService extends AsyncTask<String,Integer,Bitmap>{ //A,B,C

        private ProgressDialog progressDialog;

        public ImageWebService(Context context){
            progressDialog = ProgressDialog.show(context,"Wait","Please wait,Contacting server….");
            progressDialog.setCancelable(false);
        }

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
        }

        @Override //C
        protected Bitmap doInBackground(String… params) { //varargs //A
            progressDialog.setMessage("Connected with server….");
            String url = params[0];
            Bitmap bitmap = null;
            try {
                InputStream inputStream = new URL(url).openStream(); //time taking process
                bitmap = BitmapFactory.decodeStream(inputStream);
            } catch (IOException e) {
                e.printStackTrace();
            }

            return bitmap;
        }

        @Override
        protected void onProgressUpdate(Integer… values) { //B
            super.onProgressUpdate(values);
        }

        @Override
        protected void onPostExecute(Bitmap bitmap) { //C
            super.onPostExecute(bitmap);
            progressDialog.dismiss();
            imageView.setImageBitmap(bitmap);
        }
    }
}

activity_http_post_example.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context="com.dev.cts.mywebserviceexample.HttpPostExampleActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/call_http_post"
        android:layout_alignParentTop="true"
        android:text="@string/call_http_post"
        android:onClick="loadPostBtnClicked"
        />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/edit_text"
        android:layout_below="@+id/call_http_post"
        android:layout_marginTop="20dp"
        android:visibility="gone"
        />
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/call_http_post"
        >

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            >
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/firstname"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/firstname"
                android:hint="@string/firstname"
                android:inputType="none"
            />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/lastname"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/lastname"
                android:hint="@string/lastname"
            />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/age"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/age"
                android:hint="@string/age"
                />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/state"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/streetaddress"
                android:hint="@string/street"
                />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/city"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/city"
                android:hint="@string/city"
                />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/state"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/state"
                android:hint="@string/state"
                />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/postalcode"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/postalcode"
                android:hint="@string/postalcode"
                />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/homephone"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/homephone"
                android:hint="@string/homephone"
                />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/fax"
                />
            <EditText
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/fax"
                android:hint="@string/fax"
                />

        </LinearLayout>

     </ScrollView>

</RelativeLayout>

activity_http_get_example.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context="com.dev.cts.mywebserviceexample.HttpGetExampleActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/call_http_get"
        android:layout_alignParentTop="true"
        android:text="@string/call_http_get"
        android:onClick="loadGetBtnClicked"
        />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/edit_text"
        android:layout_below="@+id/call_http_get"
        android:layout_marginTop="20dp"
        android:visibility="gone"
        />
    <ListView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/call_http_get"
        android:id="@+id/listview"
        />
</RelativeLayout>

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/loadimage_btn"
        android:layout_alignParentTop="true"
        android:text="@string/loadimage_btn"
        android:onClick="loadImageBtnClicked"
        />

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/imageview"
        android:layout_below="@+id/loadimage_btn"
        android:src="@drawable/ic_launcher"
        android:layout_marginTop="20dp"
        />

</RelativeLayout>

menu_main.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools" tools:context=".MainActivity">
    <item android:id="@+id/action_settings" android:title="@string/action_settings"
        android:orderInCategory="100" app:showAsAction="never" />
    <item android:id="@+id/action_get" android:title="@string/http_getpage"
        android:orderInCategory="100" app:showAsAction="never" />
    <item android:id="@+id/action_post" android:title="@string/http_postpage"
        android:orderInCategory="100" app:showAsAction="never" />
</menu>

strings.xml

<resources>
    <string name="app_name">MyWebServiceExample</string>
    <string name="hello_world">Hello world!</string>
    <string name="action_settings">Settings</string>
    <string name="loadimage_btn">Load Image</string>
    <string name="http_getpage">HTTP Get Example</string>
    <string name="http_postpage">HTTP Post Example</string>
    <string name="call_http_get">Call HTTPGet</string>
    <string name="call_http_post">Call HTTPPost</string>
    <string name="title_activity_http_get_example">HttpGetExampleActivity</string>
    <string name="title_activity_http_post_example">HttpPostExampleActivity</string>
    <string name="fax">Fax number here</string>
    <string name="homephone">Home phone number here</string>
    <string name="postalcode">Postal code here</string>
    <string name="state">State name here</string>
    <string name="city">City name here</string>
    <string name="street">Street address here</string>
    <string name="age">Age</string>
    <string name="lastname">Last name here</string>
    <string name="firstname">First name here</string>
</resources>

AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.dev.cts.mywebserviceexample" >

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".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>
        <activity android:name=".HttpGetExampleActivity" />
        <activity
            android:name=".HttpPostExampleActivity"
            android:label="@string/title_activity_http_post_example" >
        </activity>
    </application>

</manifest>

Android

2018-11-27 21:26:06
1) Android Videos
2018-07-09 06:40:27
2) 09 Jul - Classroom Videos
2018-07-06 21:15:16
3) Recommended Videos
2018-07-06 21:00:45
4) Classroom Videos
2018-06-21 23:15:31
5) ViewPager TabStrip - TabLayout
2018-06-21 22:19:12
6) AsyncTask Filedownload
2018-06-21 19:54:27
7) Service Connection - Bind Service
2018-06-21 03:08:05
8) Instrumentation Test
2018-06-20 22:10:24
9) ApiDoc - Shopping List App
2018-06-20 22:08:56
10) AsyncTask - PreferenceManager - Example
2018-06-20 20:02:07
11) Fragments - RecyclerView Examples UnitTesting- Part 4
2018-06-20 19:59:57
12) Fragments - RecyclerView Examples -Database - Part 3
2018-06-20 19:59:00
13) Fragments - RecyclerView Examples - Part 2
2018-06-20 19:52:33
14) Fragments - RecyclerView Examples - Part 1
2018-06-19 23:52:14
15) Customize Adapter Example
2018-06-19 22:58:07
16) SimpleAdapter - HashMap Data Type
2018-06-19 03:39:01
17) ListView Add-Edit Example
2018-06-19 02:25:02
18) OptionMenu - Background - Shape
2018-06-18 23:53:27
19) SetActivityForResult Example
2018-06-18 21:33:01
20) Android Button Event
2018-06-18 03:19:58
21) Android Calculator View - Activity LifeCycle
2018-06-15 02:59:14
22) ViewPager - TabLayout Example
2018-06-15 00:14:08
23) Broadcast Receiver SMSManager
2018-06-14 22:58:22
24) Android Location Aware Apps - OnScreen Permission
2018-06-14 05:13:06
25) Sqlite Example - SimpleCursor Adapter
2018-06-14 03:03:36
26) Fragment - NavigationDrawer Example
2018-06-13 22:51:12
27) WebService POST
2018-06-13 05:07:48
28) WebService GET Example
2018-06-13 03:26:20
29) Service - Broadcast Receiver - SimpleAdapter
2018-06-12 23:00:54
30) ListView Add Edit Delete
2018-06-12 04:40:31
31) Background - SharedPreferences
2018-06-12 03:15:15
32) ActionBar - Option Menu
2018-06-12 01:05:30
33) RelativeLayout - ScrollView - Intent -Bundle
2018-06-11 03:38:21
34) Calculator App - Part 2
2018-06-11 00:19:59
35) Calculator Layout - Part 1
2018-05-15 03:07:50
36) Kotlin - Functional Programming Best Practices
2018-05-15 01:10:02
37) Shopping App - Kotlin - Companion Object
2018-05-14 23:51:41
38) Shopping App - Kotlin - Java SAM Interface To Lambda
2018-05-14 20:58:14
39) ShoppingList App - Api Doc
2018-05-14 01:03:11
40) Kotlin - Activities - UI Building - WebService - AsyncTask
2018-05-13 23:53:26
41) Kotlin Classes - Inheritance
2018-01-24 01:18:09
42) IOS - Performance Tuning - Best Practices
2018-01-24 00:07:33
43) Google API Pricing Plan
2018-01-24 00:03:21
44) Firebase Integration - App Analytics
2018-01-23 03:39:46
45) Profiling - Best Practices - Service - Broadcast Receiver - Document -PDF
2018-01-23 03:24:36
46) Broadcast Receiver - Profiling - Unregister - Reduce Memory Leak
2018-01-23 00:20:06
47) Background Service - Use Of LocationListener - Run Time Permission Check - Best Practice
2018-01-22 22:39:07
48) Android Memory Profiling - Performance Improvement - Handler - Runnable
2018-01-22 21:24:46
49) Android Performance Improvement Techniques - PDF Document
2018-01-22 04:50:44
50) Best Practice To Add Smooth View Pan And Communicate Between Activities
2018-01-22 02:50:35
51) Layout Technique - Activity LifeCycle
2017-12-11 05:23:14
52) ShoppingList App - Fragment - Part 5
2017-12-11 05:08:05
53) Feedback
2017-12-11 03:25:52
54) ShoppingList App - RecyclerView - Part 4
2017-12-11 00:27:38
55) ShoppingList App - DrawerLayout - Part 3 - Drawables - Menus - Gradle Configs
2017-12-11 00:23:30
56) ShoppingList App - DrawerLayout - Part 2 - Layouts
2017-12-11 00:20:50
57) ShoppingList App - DrawerLayout - Part 1
2017-12-10 21:17:56
58) ShoppingList App - Api Calls
2017-12-08 03:32:57
59) App - AsyncTast Part 2
2017-12-08 01:32:57
60) App - AsyncTast Part 1
2017-12-07 23:06:12
61) WebService GET - JSON Parsing
2017-12-07 04:51:25
62) Service And Broadcast Receiver
2017-12-06 22:49:06
63) Sqlite DB Example - ListView - Complex Form
2017-12-06 00:23:16
64) ListView - Adapters
2017-12-05 22:44:14
65) ActionBar Option Menu
2017-12-05 03:22:37
66) Multiple Activities
2015-11-19 02:45:01
67) Generate APK
2015-11-18 09:47:41
68) ShoppingList - Cloud App - WebService POST - Final
2015-11-17 13:29:54
69) Creating Swipe Views With Tabs Using ViewPager And TabLayout
2015-11-17 08:00:24
70) TabHost Using Fragment
2015-11-17 03:41:10
71) ShoppingList - Cloud App - WebService POST Example
2015-11-16 03:02:07
72) Camera - Gallery - Intent Calling - Customised Adapter
2015-11-13 08:36:20
73) Android Broadcast Receiver - SMS And Call
2015-11-12 13:17:25
74) WebService Example - HttpURLConnection Example
2015-11-12 13:11:57
75) Android Location Services - Foreground And Background Example
2015-11-11 23:04:58
76) ShoppingList App - Sqlite
2015-11-09 23:23:00
77) ShoppingList App - Continued
2015-11-09 04:09:50
78) ListView - ShoppingList App
2015-11-08 22:23:23
79) Android Layouts - Revisit
2015-03-25 04:05:46
80) Overriding Theme - ActionBar And Tab
2015-03-14 02:45:58
81) SMSReplier - V1.0 - Service - Intent Share - Phone - WhiteList - ReplyLog Addon - Part4
2015-03-14 02:44:07
82) SMSReplier - V1.0 - Service - Intent Share - Phone - WhiteList - ReplyLog Addon - Part3
2015-03-14 02:34:48
83) SMSReplier - V1.0 - Service - Intent Share - Phone - WhiteList - ReplyLog Addon - Part2
2015-03-14 02:30:01
84) SMSReplier - V1.0 - Service - Intent Share - Phone - WhiteList - ReplyLog Addon - Part1
2015-03-12 02:04:35
85) SMSReplier - V1.0 - Broadcast Receiver - Foreground Notification - Persistency Add-on - Part 2
2015-03-12 01:59:08
86) SMSReplier - V1.0 - Broadcast Receiver - Foreground Notification - Persistency Add-on - Part 1
2015-03-11 01:24:43
87) WebService -HTTP GET - AsyncTask - XML Parsing
2015-03-10 01:22:20
88) GoogleMap V2 - LocationListener - GPS
2015-03-09 01:51:33
89) SMS And Call Broadcast Receiver
2015-03-06 01:25:52
90) WebService - HTTP POST - AsyncTask - JSON Parsing
2015-03-05 01:18:38
91) WebService Introduction - GET - AsyncTask - JSON Parsing
2015-03-04 00:39:34
92) AsyncTask Example - Loading Image From Server
2015-03-03 00:15:21
93) SqliteDB Integration - SMSReplier V1.0 - Continued
2015-03-02 01:39:20
94) SMSList - Compose Fragment - FragmentBackStack - SMSReplier V1.0 - Continued...
2015-02-28 00:45:24
95) Post Login - DrawerLayout - Menu System - SMSReplier V1.0 Continued
2015-02-27 01:26:30
96) ViewPager - Tab - PreferenceManager Add On - Moving Everything To Fragment -SMSReplier V1.0 Continued
2015-02-25 02:56:09
97) Camera - Bitmap Add On - SMSReplier V1.0 - Continued
2015-02-25 01:29:05
98) SMSReplier - V1.0 - Registration Form
2015-02-24 03:56:38
99) Introduction To Service And BroadcastReceiver - IntentFilter
2015-02-23 00:57:08
100) Communicating Fragments - Bundle - Interface
2015-02-20 02:01:03
101) Navigation Drawer - Fragment Indroduction
2015-02-18 00:40:37
102) ListView - CustomAdapter With ViewHolder
2015-02-18 00:37:09
103) ListView - SimpleCursorAdapter Example
2015-02-16 04:13:55
104) ListView With SqliteDB - Add -Edit - Delete - Retrive
2015-02-13 23:07:36
105) OptionsMenu And ContextMenu With ListView
2015-02-13 01:40:46
106) ArrayAdapter And SimpleAdapter - ListView Example
2015-02-11 04:22:29
107) Forward And Reverse Bundling Objects Between Activities
2015-02-11 00:16:14
108) Bundle - Parceling Objects Between Activities
2015-02-10 00:34:05
109) ScrollView - PreferenceManager
2015-02-09 03:49:48
110) MultiActivity - AndroidManifest - Intent Introduction
2015-02-09 00:33:52
111) ClickListeners - Object Initialisation - Toast
2015-02-08 23:35:56
112) Bitmap From SD Card
2015-02-07 03:26:37
113) Android Layout Tricks - RelativeLayout
2015-02-06 23:04:29
114) Android Layout Tricks - LinearLayout
2015-02-05 20:47:58
115) UI Stack And Activity LifeCycle
2015-02-04 21:04:55
116) Working With Android Studio
2015-02-04 20:52:49
117) Java - OOP Concept - A Revisit
2014-12-08 22:11:38
118) Maintaining Login State - A Simple Approach
2014-12-07 21:03:53
119) 9 Patch Image Background
2014-12-05 04:25:48
120) WebService - JSON Example From 10.0.2.2 - Localhost
2014-12-03 03:30:10
121) VideoView - Media Controller
2014-12-03 02:52:15
122) Google Map V2 - Location Listener - Display Current Location - Check GPS Status
2014-12-02 23:12:16
123) Google Map V2 Integration
2014-12-02 04:22:51
124) Implicit Intent MIME Type - Camera - Gallery
2014-12-01 23:41:14
125) Camera - Implicit Intent - External Storage Example
2014-12-01 03:01:45
126) WebService - Google Map API WebService Example
2014-11-27 04:22:52
127) Google API Key, KeyStore, Certificate SHA1 Fingerprints
2014-11-27 03:59:46
128) Navigation Drawer - ActionBarDrawerToggle Example
2014-11-26 03:39:20
129) Notification From Service
2014-11-25 03:33:52
130) WebView Example
2014-11-24 00:37:52
131) Saving Item State - Fragment Master Detail Flow Final
2014-11-23 11:43:21
132) Package - Apk Suppress Lint Error
2014-11-21 22:49:09
133) AsyncTask Introduction - Load Image from URL
2014-11-21 05:15:40
134) GridView Example
2014-11-21 03:44:34
135) Location Aware Apps - GPS_PROVIDER - NETWORK_PROVIDER - Introduction
2014-11-20 03:20:22
136) SMSReplier Ver1.3 With Broadcast Receiver
2014-11-19 03:25:18
137) SMSReplier Ver1.2 Using Fragments And SQLite
2014-11-18 05:10:34
138) SMSReplier Ver1.1 Using Fragments - A Modular Approach
2014-11-17 05:21:15
139) ActionBar Tab - Fragment - ViewPager - Lisview - Compose Message
2014-11-15 04:43:26
140) APK - Android Application Package Process
2014-11-15 03:43:55
141) View Fragment And Pager - An Image Gallery Example
2014-11-13 04:07:42
142) Button,Checkbox With Image Background
2014-11-12 04:49:54
143) SMSReplier Ver1.0
2014-11-12 03:10:49
144) BroadcastReceiver With Permission
2014-11-11 03:06:20
145) BroadcastReceiver - Service - Example
2014-11-10 05:21:10
146) Background Service Example
2014-11-10 03:47:35
147) Runtime UI View Generation
2014-11-10 03:30:14
148) Shopping List App Version 3.1 - Shopping Object - Shopping Adapter - Custom Data View Binding
2014-11-10 00:01:53
149) Spinner Example - Dropdown - ArrayAdapter
2014-11-08 01:20:13
150) Shopping List App Version 3.0 - SQlite - CRUD
2014-11-07 03:16:33
151) Shopping List App Version 2.9 - SQlite - SimpleCursorAdapter
2014-11-06 03:08:08
152) Shopping List App Version 2.2 - JSONAdapter (custom) Addon
2014-11-05 04:12:28
153) Customising Adapter From BaseAdapter
2014-11-04 04:46:19
154) Shopping List App Version 2.1 - Alert Dialog Addon
2014-11-04 01:25:04
155) Shopping List App Version 2.1 - View-Edit-Delete Addon
2014-11-03 03:16:51
156) Json Revisit
2014-11-02 23:07:09
157) PreferenceManager Revisit
2014-10-31 03:19:16
158) Shopping List App Version 2.0 - PreferenceManager Add On - Save List
2014-10-30 03:42:19
159) Shopping List App Version 1.0 - Menu-onActivityResult-ListActivity
2014-10-30 02:18:46
160) SharedPreference Example
2014-10-29 22:17:27
161) Option Menu And Context Menu Example
2014-10-29 02:57:14
162) MultiActivity With OnActivityResult Example
2014-10-28 03:09:56
163) Bundle Example
2014-10-27 03:06:53
164) ListView - SimpleAdapter Example
2014-10-27 01:35:15
165) CoreJava Questions & Answers
2014-10-26 22:37:58
166) ListView - ArrayAdapter Example - Continued
2014-10-25 03:32:33
167) ListView - ArrayAdapter Example
2014-10-25 00:18:15
168) Calculator App
2014-10-23 03:14:37
169) Calculator Layout
2014-10-23 00:01:20
170) Event-listeners Example
2014-10-21 03:45:26
171) Android MultiActivity Example
2014-10-20 23:05:09
172) Activity Life Cycle Example
2014-10-20 23:03:17
173) Inheritance Scenario Wrt To Activity
2014-10-20 05:17:13
174) Android HelloWorld From Base
2014-10-20 01:49:59
175) Java Array And ArrayList
2014-10-19 23:06:25
176) Java Basics 1
2014-10-18 05:03:46
177) Hello World Java

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