Saturday 23 January 2016

Display web service data in listview and gridview in android.


For integrating JSON service example you need below jar for that
1. apache-mime4j-0.6.jar
2. gson-2.1.jar
3. httpmime-4.0.1,jar
4. json_simple-1.1.jar

 layout_main.xml

 <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">


    <RelativeLayout
        android:id="@+id/rel_tops"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <ImageView
            android:id="@+id/img_list_grid"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:padding="@dimen/margin_10dp"
            android:layout_alignParentRight="true"
            android:src="@drawable/grid_menu"/>

        <ListView
            android:id="@+id/list"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/img_list_grid"
            android:cacheColorHint="@android:color/transparent"
            android:divider="@android:color/transparent"
            android:visibility="visible"
            />

        <GridView
            android:id="@+id/grid"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:numColumns="2"
            android:layout_below="@+id/img_list_grid"
            android:visibility="gone"

            android:cacheColorHint="@android:color/transparent"
            android:divider="@android:color/transparent"
            />
    </RelativeLayout>



</RelativeLayout>


MainActivity.java






import android.app.Activity;

import android.app.ProgressDialog;

import android.os.AsyncTask;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.LayoutInflater;

import android.view.View;

import android.view.Menu;

import android.view.MenuItem;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.GridView;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.TextView;



import java.util.ArrayList;



import parser.GetPerson;



public class MainActivity extends AppCompatActivity {





    ImageView mImageViewListGrid;

    ListView mListView;

    GridView mGridView;



    CusTomListAdapter mCusTomListAdapter;

    CusTomGridAdapter mCusTomGridAdapter;



    PostParseGet mPostParseGet;

    GetPerson mGetPerson;



    ProgressDialog mProgressDialog;

    AllMethods mAllMethods;

    ArrayList<GetPerson.PersonDataList>mArrayListPersonDataLists;

    boolean isGrid=false;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.layout_main);

        /*Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

        setSupportActionBar(toolbar);*/

        mImageViewListGrid=(ImageView)findViewById(R.id.img_list_grid);

        mListView=(ListView)findViewById(R.id.list);

        mGridView=(GridView)findViewById(R.id.grid);

        mPostParseGet=new PostParseGet(MainActivity.this);

        mGetPerson=new GetPerson();

        mArrayListPersonDataLists=new ArrayList<>();

        mAllMethods=new AllMethods(MainActivity.this);



        if (mAllMethods.check_Internet()==true)

        {

            new getPersonAsyns().execute();

        }

        else

        {

            mAllMethods.ShowDialog(MainActivity.this,"",getString(R.string.net_not_available),"OK");

        }



        mImageViewListGrid.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                if (isGrid==false)

                {

                    mImageViewListGrid.setImageDrawable(getResources().getDrawable(R.drawable.list_menu));



                     isGrid=true;

                    mListView.setVisibility(View.GONE);

                    mGridView.setVisibility(View.VISIBLE);

                }

                else if (isGrid==true)

                {

                    mImageViewListGrid.setImageDrawable(getResources().getDrawable(R.drawable.grid_menu));

                    isGrid=false;

                    mListView.setVisibility(View.VISIBLE);

                    mGridView.setVisibility(View.GONE);

                }

            }

        });









    }

    public class getPersonAsyns extends AsyncTask<Void,Void,Void>

    {

        @Override

        protected void onPreExecute() {

            super.onPreExecute();

            mProgressDialog=ProgressDialog.show(MainActivity.this,"","Loading..");

        }



        @Override

        protected Void doInBackground(Void... voids) {



            mGetPerson=(GetPerson)mPostParseGet.getPersonDetail(mGetPerson);

            return null;

        }



        @Override

        protected void onPostExecute(Void aVoid) {

            super.onPostExecute(aVoid);

            if (mProgressDialog!=null)

            {

                mProgressDialog.dismiss();

            }

            if (mPostParseGet.isNetError)

            {

                mAllMethods.ShowDialog(MainActivity.this,"",getString(R.string.net_not_available),"OK");

            }

            else if(mPostParseGet.isOtherError)

            {

                mAllMethods.ShowDialog(MainActivity.this,"",getString(R.string.slow_internet),"Ok");

            }

            else

            {

                mArrayListPersonDataLists=getPersonData();

                mCusTomListAdapter=new CusTomListAdapter(MainActivity.this,mArrayListPersonDataLists);

                mListView.setAdapter(mCusTomListAdapter);



                mCusTomGridAdapter=new CusTomGridAdapter(MainActivity.this,mArrayListPersonDataLists);

                mGridView.setAdapter(mCusTomGridAdapter);

            }



        }

    }



    public ArrayList<GetPerson.PersonDataList> getPersonData() {



        ArrayList< GetPerson.PersonDataList> mArrayListParserLog = new ArrayList<  GetPerson.PersonDataList   >();

        String  mString="";

        for (int i = 0; i < mGetPerson.getContacts().size(); i++) {

            GetPerson.PersonDataList  mParserLog = new   GetPerson.PersonDataList();

            mParserLog.setName(mGetPerson.getContacts().get(i).getName());

            mParserLog.setEmail(mGetPerson.getContacts().get(i).getEmail());

            mParserLog.setGender(mGetPerson.getContacts().get(i).getGender());

            GetPerson.PhoneDetail mPhoneDetail=new GetPerson.PhoneDetail();

            mPhoneDetail.setMobile(mGetPerson.getContacts().get(i).getPhone().getMobile());

            mParserLog.setPhone(mPhoneDetail);



            mArrayListParserLog.add(mParserLog);



        }

        return mArrayListParserLog;

    }

    public class CusTomListAdapter extends BaseAdapter

    {



        Activity mActivity;

        ArrayList<GetPerson.PersonDataList> list;

        public CusTomListAdapter(MainActivity mainActivity, ArrayList<GetPerson.PersonDataList> mArrayListPersonDataLists) {

            list=mArrayListPersonDataLists;

            mActivity=mainActivity;



        }



        @Override

        public int getCount() {

            return list.size();

        }



        @Override

        public Object getItem(int i) {

            return i;

        }



        @Override

        public long getItemId(int i) {

            return i;

        }



        @Override

        public View getView(int i, View convertView, ViewGroup viewGroup) {

            LayoutInflater inflator = mActivity.getLayoutInflater();

            convertView = inflator.inflate(R.layout.row_list_layout, null);

            TextView mTextViewName=(TextView)convertView.findViewById(R.id.row_txt_name);

            TextView mTextViewEmail=(TextView)convertView.findViewById(R.id.row_txt_email);

            TextView mTextViewGender=(TextView)convertView.findViewById(R.id.row_txt_gender);

            TextView mTextViewPh=(TextView)convertView.findViewById(R.id.row_txt_ph);



            mTextViewEmail.setText(list.get(i).getEmail());

            mTextViewGender.setText("Gender: "+list.get(i).getGender());

            mTextViewName.setText(list.get(i).getName());

            mTextViewPh.setText(list.get(i).getPhone().getMobile());



            return convertView;

        }

    }



    public class CusTomGridAdapter extends BaseAdapter

    {



        Activity mActivity;

        ArrayList<GetPerson.PersonDataList> list;

        public CusTomGridAdapter(MainActivity mainActivity, ArrayList<GetPerson.PersonDataList> mArrayListPersonDataLists) {

            list=mArrayListPersonDataLists;

            mActivity=mainActivity;



        }



        @Override

        public int getCount() {

            return list.size();

        }



        @Override

        public Object getItem(int i) {

            return i;

        }



        @Override

        public long getItemId(int i) {

            return i;

        }



        @Override

        public View getView(int i, View convertView, ViewGroup viewGroup) {

            LayoutInflater inflator = mActivity.getLayoutInflater();

            convertView = inflator.inflate(R.layout.row_list_layout, null);

            TextView mTextViewName=(TextView)convertView.findViewById(R.id.row_txt_name);

            TextView mTextViewEmail=(TextView)convertView.findViewById(R.id.row_txt_email);

            TextView mTextViewGender=(TextView)convertView.findViewById(R.id.row_txt_gender);

            TextView mTextViewPh=(TextView)convertView.findViewById(R.id.row_txt_ph);



            mTextViewEmail.setText(list.get(i).getEmail());

            mTextViewGender.setText("Gender: "+list.get(i).getGender());

            mTextViewName.setText(list.get(i).getName());

            mTextViewPh.setText(list.get(i).getPhone().getMobile());



            return convertView;

        }

    }

    @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;

    }



    @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;

        }



        return super.onOptionsItemSelected(item);

    }



}







GetPerson.java








package parser;

import android.os.Parcel;
import android.os.Parcelable;

import java.util.ArrayList;
import java.util.List;

 
public class GetPerson implements Parcelable {


    public List<PersonDataList> contacts;

    public List<PersonDataList> getContacts() {
        return contacts;
    }

    public void setContacts(List<PersonDataList> contacts) {
        this.contacts = contacts;
    }

    public GetPerson(){

        contacts=new ArrayList<PersonDataList>();

    }
    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel parcel, int i) {

    }

    public static Creator<GetPerson> CREATOR = new Creator<GetPerson>() {

        @Override
        public GetPerson[] newArray(int size) {
            return new GetPerson[size];
        }

        @Override
        public GetPerson createFromParcel(Parcel source) {
            return new GetPerson(source);
        }
    };

    public GetPerson(Parcel in) {

        contacts=new ArrayList<PersonDataList>();
        in.readTypedList(contacts, PersonDataList.CREATOR);
    }

    public static class PersonDataList implements Parcelable
    {


        String name="";
        String email="";
        String gender="";

        public PhoneDetail phone;

        public PhoneDetail getPhone() {
            return phone;
        }

        public void setPhone(PhoneDetail phone) {
            this.phone = phone;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getGender() {
            return gender;
        }

        public void setGender(String gender) {
            this.gender = gender;
        }

        public String getEmail() {
            return email;
        }

        public void setEmail(String email) {
            this.email = email;
        }

        @Override
        public int describeContents() {
            return 0;
        }

        @Override
        public void writeToParcel(Parcel dest, int i) {
            dest.writeString(name);
            dest.writeString(email);
            dest.writeString(gender);
            dest.writeParcelable(phone, i);

        }
        public static Creator<PersonDataList> CREATOR = new Creator<PersonDataList>() {

            @Override
            public PersonDataList[] newArray(int size) {
                return new PersonDataList[size];
            }

            @Override
            public PersonDataList createFromParcel(Parcel source) {
                return new PersonDataList(source);
            }
        };

        public PersonDataList(Parcel in) {
            name = in.readString();
            email = in.readString();
            gender = in.readString();
            phone = (PhoneDetail) in.readParcelable(PhoneDetail.class.getClassLoader());


        }
        public PersonDataList(){}
    }
    public static class PhoneDetail implements Parcelable
    {


        String mobile="";

        public String getMobile() {
            return mobile;
        }

        public void setMobile(String mobile) {
            this.mobile = mobile;
        }

        @Override
        public int describeContents() {
            return 0;
        }

        @Override
        public void writeToParcel(Parcel dest, int i) {
            dest.writeString(mobile);


        }
        public static Creator<PhoneDetail> CREATOR = new Creator<PhoneDetail>() {

            @Override
            public PhoneDetail[] newArray(int size) {
                return new PhoneDetail[size];
            }

            @Override
            public PhoneDetail createFromParcel(Parcel source) {
                return new PhoneDetail(source);
            }
        };

        public  PhoneDetail (){}
        public PhoneDetail(Parcel in) {
            mobile = in.readString();
        }
    }
}








import android.app.Activity;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.support.v4.app.FragmentActivity;

import com.google.gson.Gson;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;

import java.io.File;
import java.util.ArrayList;
import java.util.List;


import parser.GetPerson;


public class PostParseGet {

    public Activity mContext;
    public boolean isNetError = false;
    public boolean isOtherError = false;
    public boolean isDeviceToken = false;
    List<NameValuePair> nameValuePairs;
    Object mFillObject;


    public static ArrayList<String> mflist;
    ConnectivityManager mConnectivityManager;
    NetworkInfo mNetworkInfo;

    Gson mGson;

    public PostParseGet(Activity context) {
        mContext = context;
        mGson = new Gson();
        mflist = new ArrayList<String>();
    }

    public PostParseGet(FragmentActivity context) {
        mContext = context;
        mGson = new Gson();
        mflist = new ArrayList<String>();
    }


    public Object getmFillObject() {
        return mFillObject;
    }

    public void setmFillObject(Object mFillObject) {
        this.mFillObject = mFillObject;
    }

    public boolean isDeviceToken() {
        return isDeviceToken;
    }

    public void setDeviceToken(boolean isDeviceToken) {
        this.isDeviceToken = isDeviceToken;
    }

    /**
     * Function checks internet if avail, Post data to particular Url and filled
     * json object relating to the response.
     *
     * @param string
     * @param nameValuePairs
     * @param object
     * @param context
     * @return object
     * @throws CustomException
     */
    public Object postHttpURL(String url, List<NameValuePair> nameValuePairs, Object mObject) {
        HttpPost httppost;
        HttpParams httpParameters;
        int timeoutConnection = 60000;
        HttpClient httpclient = null;
        HttpResponse response = null;
        String data = "";
        isOtherError = false;

        System.out.println("Url " + url);
        mFillObject = null;

        if (check_Internet()) {
            try {
                mFillObject = mObject.getClass().newInstance();
                /*HostnameVerifier hostnameVerifier = SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER;

    DefaultHttpClient client = new DefaultHttpClient();

    SchemeRegistry registry = new SchemeRegistry();
    SSLSocketFactory socketFactory = SSLSocketFactory.getSocketFactory();
    socketFactory.setHostnameVerifier((X509HostnameVerifier) hostnameVerifier);
    registry.register(new Scheme("https", socketFactory, 443));
    SingleClientConnManager mgr = new SingleClientConnManager(client.getParams(), registry);
    DefaultHttpClient httpClient = new DefaultHttpClient(mgr, client.getParams());

// Set verifier
    HttpsURLConnection.setDefaultHostnameVerifier(hostnameVerifier);*/
//      HttpURLConnection urlc = (HttpURLConnection) url.openConnection();
                httppost = new HttpPost(url);
                httpParameters = new BasicHttpParams();
//    HttpConnectionParams.setSoTimeout(httpParameters, timeoutConnection);
                HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
                httpclient = new DefaultHttpClient(httpParameters);


                MultipartEntity entity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE);
                System.out.println("nameValuePairs " + nameValuePairs.size());
                if (nameValuePairs != null) {
                    for (int index = 0; index < nameValuePairs.size(); index++) {
                        String paramName = nameValuePairs.get(index).getName();
                        String paramValue = nameValuePairs.get(index).getValue();

                        System.out.println("paramName " + paramName);
                        System.out.println("paramValue " + paramValue);


                        if (paramName.equalsIgnoreCase("docsimage") || paramName.equalsIgnoreCase("faceimage")) {


                            if (paramValue.length() > 0) {
        
         /*if (paramValue.equalsIgnoreCase("Female-Avatar.png")||paramValue.equalsIgnoreCase("avatar-man.jpg") ) {
         entity.addPart(nameValuePairs.get(index).getName(), new StringBody(nameValuePairs.get(index).getValue()));

        }
        else {*/
                                entity.addPart(paramName, new FileBody(new File(paramValue)));

                                //}

                            }
                        } else {
//       mflist.clear();
                            entity.addPart(nameValuePairs.get(index).getName(), new StringBody(nameValuePairs.get(index).getValue()));

                        }
                    }
                    httppost.setEntity(entity);
                }


                response = httpclient.execute(httppost);
                System.out.println("httppost " + httppost.toString());
                data = EntityUtils.toString(response.getEntity());

                System.out.println("Final Data " + data);
                if (data.equalsIgnoreCase("{\"is_device_deleted\":true}"))
                    setDeviceToken(true);

                mFillObject = mGson.fromJson(data, mFillObject.getClass());


            } catch (Exception e) {

                isOtherError = true;
                e.printStackTrace();
            }
        }
        return mFillObject;
    }

    /**
     * Function
     * Takes and keeps a reference of the passed context in order to Check whether Internet is available or not.
     *
     * @param context
     * @return The return will be true if the internet is available and false if not.
     */
    public boolean check_Internet() {
        mConnectivityManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
        mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();

        if (mNetworkInfo != null && mNetworkInfo.isConnectedOrConnecting()) {
            isNetError = false;
            return true;
        } else {
            isNetError = true;
            return false;
        }
    }


    public Object getPersonDetail(GetPerson mGetFlag) {

        nameValuePairs = new ArrayList<NameValuePair>();

        return postHttpURL("http://api.androidhive.info/contacts/", nameValuePairs, mGetFlag);
    }
}
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