Android Drawer Itu Mudah

Membuat Session:
Coding sbbu mengunci siapa yang sedang login dan ataukah aplikasi sedang dalam kondisi login

package com.mustofin.expandablenavigationdrawer;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

import com.mustofin.expandablenavigationdrawer.fragment.Loginas;

import java.util.HashMap;

public class SessionManager {
    SharedPreferences pref;
    Editor editor;
    Context _context;
    int PRIVATE_MODE = 0;
    private static final String PREF_NAME = "LP2MARAY";
    private static final String IS_LOGIN = "IsLoggedIn";

    public static String kode_admin = "";
    public static String username = "";

    public static final String KEY_KODE = "kode";

    public SessionManager(Context context){
        this._context = context;
        pref = _context.getSharedPreferences(PREF_NAME, PRIVATE_MODE);
        editor = pref.edit();
    }

    public void createLoginSession(String skode){
        editor.putBoolean(IS_LOGIN, true);
        editor.putString(KEY_KODE, skode);
        editor.commit();
    }


    public void checkLogin(){
        if(!this.isLoggedIn()){
            Intent i = new Intent(_context, Loginas.class);
            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            _context.startActivity(i);
        }

    }



    public HashMap<String, String> getUserDetails(){
        HashMap<String, String> user = new HashMap<String, String>();
        user.put(KEY_KODE, pref.getString(KEY_KODE, null));
        return user;
    }

    public void logoutUser(){
        editor.clear();
        editor.commit();

        Intent i = new Intent(_context, Loginas.class);
        i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        _context.startActivity(i);
    }


    public boolean isLoggedIn(){
        return pref.getBoolean(IS_LOGIN, false);
    }
}

=========================================

Sebagai berikut Coding  pada Constant : Menu draw:

package com.mustofin.expandablenavigationdrawer;

import com.mustofin.expandablenavigationdrawer.fragment.About_fragment;
import com.mustofin.expandablenavigationdrawer.fragment.BerandaFragment;
import com.mustofin.expandablenavigationdrawer.fragment.ListMahasiswa_fragment;
import com.mustofin.expandablenavigationdrawer.navigationdrawer.NavMenuModel;

import java.util.ArrayList;

public class Constant {

    public static ArrayList<NavMenuModel> getMenuNavigasi(){
        ArrayList<NavMenuModel> menu = new ArrayList<>();

        menu.add(new NavMenuModel("Beranda", R.drawable.home, BerandaFragment.newInstance("")));
        menu.add(new NavMenuModel("Mahasiswa", R.drawable.ic_order, ListMahasiswa_fragment.newInstance("")));

        menu.add(new NavMenuModel("Pilih Semester", R.drawable.ic_produk,
                new ArrayList<NavMenuModel.SubMenuModel>() {{
                    add(new NavMenuModel.SubMenuModel("Semester 1", R.drawable.telkomsellogo, ListMahasiswa_fragment.newInstance("Semester 1")));
                    add(new NavMenuModel.SubMenuModel("Semester 2", R.drawable.indosatlogo, ListMahasiswa_fragment.newInstance("Semester 2")));
                    add(new NavMenuModel.SubMenuModel("Semester 3", R.drawable.xl, ListMahasiswa_fragment.newInstance("Semester 3")));
                }}));

        menu.add(new NavMenuModel("Bantuan", R.drawable.ic_order, About_fragment.newInstance("")));
        menu.add(new NavMenuModel("Logout", R.drawable.exit, BerandaFragment.newInstance("")));
        menu.add(new NavMenuModel("Keluar", R.drawable.exit, BerandaFragment.newInstance("")));


        return menu;
    }
}

=========================

Sebagai berikut coding LOGIN dari database dan direkam ke session:

package com.mustofin.expandablenavigationdrawer.fragment;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.StrictMode;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

import com.mustofin.expandablenavigationdrawer.MainActivity;
import com.mustofin.expandablenavigationdrawer.R;
import com.mustofin.expandablenavigationdrawer.SessionManager;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

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


public class Loginas extends Activity {

   SessionManager session;
   EditText txtusername,txtpassword;
   String ip="";
   int sukses;
   private ProgressDialog pDialog;
   JSONParser jsonParser = new JSONParser();

   private static final String TAG_SUKSES = "sukses";
   private static final String TAG_record = "record";

   String kode_admin="",nama_admin,email;

   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.login);
      ip=jsonParser.getIP();

      StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
      StrictMode.setThreadPolicy(policy);

      session = new SessionManager(getApplicationContext());
      txtusername=(EditText)findViewById(R.id.edUsername);
      txtpassword=(EditText)findViewById(R.id.edPassword);


      Button btnLogin= (Button) findViewById(R.id.btnLogin);
      btnLogin.setOnClickListener(new View.OnClickListener() {
         @Override         public void onClick(View v) {
            String user=txtusername.getText().toString();
            String pass=txtpassword.getText().toString();
            if(user.length()<1){lengkapi("Username");}
            else if(pass.length()<1){lengkapi("Password");}
            else{
               new ceklogin().execute();
            }

         }

      });

   }
   public void gagal(){
      new AlertDialog.Builder(this)
            .setTitle("Gagal Login")
            .setMessage("Silakan Cek Account Anda Kembali")
            .setNeutralButton("Tutup", new DialogInterface.OnClickListener() {
               public void onClick(DialogInterface dlg, int sumthin) {

               }})
            .show();
   }


   class ceklogin extends AsyncTask<String, String, String> {
      @Override      protected void onPreExecute() {
         super.onPreExecute();
         pDialog = new ProgressDialog(Loginas.this);
         pDialog.setMessage("Proses Login...");
         pDialog.setIndeterminate(false);
         pDialog.setCancelable(true);
         pDialog.show();
      }
      protected String doInBackground(String... params) {

         try {
            String username=txtusername.getText().toString().trim();
            String password=txtpassword.getText().toString().trim();

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

            String url=ip+"admin/admin_login.php";
            Log.v("detail",url);
            JSONObject json = jsonParser.makeHttpRequest(url, "GET", myparams);
            Log.d("detail", json.toString());
            sukses = json.getInt(TAG_SUKSES);
            if (sukses == 1) {
               JSONArray myObj = json.getJSONArray(TAG_record); // JSON Array               final JSONObject myJSON = myObj.getJSONObject(0);
               runOnUiThread(new Runnable() {
                  public void run() {
                     try {

                        kode_admin=myJSON.getString("kode_admin");
                        nama_admin=myJSON.getString("nama_admin");
                        email=myJSON.getString("email");
                     }
                     catch (JSONException e) {e.printStackTrace();}
                  }});
            }

         } catch (JSONException e) {
            e.printStackTrace();
         }
         return null;
      }
      @SuppressLint("NewApi")
      protected void onPostExecute(String file_url) {

         pDialog.dismiss();
         Log.v("SUKSES",kode_admin);

         if(sukses==1){
            session.createLoginSession(kode_admin);
            Intent i = new Intent(getApplicationContext(),MainActivity.class);
            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(i);
            finish();
         }
         else{
            gagal("Login");
         }
      }
   }



   public void lengkapi(String item){
      new AlertDialog.Builder(this)
            .setTitle("Lengkapi Data")
            .setMessage("Silakan lengkapi data "+item)
            .setNeutralButton("OK", new DialogInterface.OnClickListener() {
               public void onClick(DialogInterface dlg, int sumthin) {
               }})
            .show();
   }



   public void gagal(String item){
      new AlertDialog.Builder(this)
            .setTitle("Gagal Login")
            .setMessage("Login "+item+" ,, Gagal")
            .setNeutralButton("OK", new DialogInterface.OnClickListener() {
               public void onClick(DialogInterface dlg, int sumthin) {
               }})
            .show();
   }


   public boolean onKeyDown(int keyCode, KeyEvent event) {
      if (keyCode == KeyEvent.KEYCODE_BACK) {
         finish();
         return true;
      }
      return super.onKeyDown(keyCode, event);
   }

}

MainActivity Code:

package com.mustofin.expandablenavigationdrawer;

import android.content.DialogInterface;
import android.os.Bundle;
import android.os.StrictMode;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.widget.Toast;

import com.mustofin.expandablenavigationdrawer.fragment.BerandaFragment;
import com.mustofin.expandablenavigationdrawer.navigationdrawer.NavMenuAdapter;
import com.mustofin.expandablenavigationdrawer.navigationdrawer.NavMenuModel;
import com.mustofin.expandablenavigationdrawer.navigationdrawer.SubTitle;
import com.mustofin.expandablenavigationdrawer.navigationdrawer.TitleMenu;

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

public class MainActivity extends AppCompatActivity implements NavMenuAdapter.MenuItemClickListener{
    SessionManager session;
    Toolbar toolbar;
    DrawerLayout drawer;
    ArrayList<NavMenuModel> menu;

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

        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
        StrictMode.setThreadPolicy(policy);

        session = new SessionManager(getApplicationContext());
        session.checkLogin();

        setToolbar();
        drawer = (DrawerLayout) findViewById(R.id.main_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();
        setNavigationDrawerMenu();

    }

    private void setToolbar() {
        toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
    }

    private void setNavigationDrawerMenu() {
        NavMenuAdapter adapter = new NavMenuAdapter(this, getMenuList(), this);
        RecyclerView navMenuDrawer = (RecyclerView) findViewById(R.id.main_nav_menu_recyclerview);
        navMenuDrawer.setAdapter(adapter);
        navMenuDrawer.setLayoutManager(new LinearLayoutManager(this));
        navMenuDrawer.setAdapter(adapter);

        adapter.selectedItemParent = menu.get(0).menuTitle;
        onMenuItemClick(adapter.selectedItemParent);
        adapter.notifyDataSetChanged();
    }


    private List<TitleMenu> getMenuList() {
        List<TitleMenu> list = new ArrayList<>();

        menu = Constant.getMenuNavigasi();
        for (int i = 0; i < menu.size(); i++) {
            ArrayList<SubTitle> subMenu = new ArrayList<>();
            if (menu.get(i).subMenu.size() > 0){
                for (int j = 0; j < menu.get(i).subMenu.size(); j++) {
                    subMenu.add(new SubTitle(menu.get(i).subMenu.get(j).subMenuTitle));
                }
            }

            list.add(new TitleMenu(menu.get(i).menuTitle, subMenu, menu.get(i).menuIconDrawable));
        }

        return list;
    }

    @Override    public void onMenuItemClick(String itemString) {
        for (int i = 0; i < menu.size(); i++) {
            if (itemString.equals(menu.get(i).menuTitle)){
                getSupportFragmentManager().beginTransaction()
                        .replace(R.id.main_content, menu.get(i).fragment)
                        .commit();
                break;
            }
            else if (itemString.equals("Logout")) {
                session.logoutUser();
            }
            else if (itemString.equals("Keluar")) {
                keluarYN();
            }
            else{
                for (int j = 0; j < menu.get(i).subMenu.size(); j++) {
                    if (itemString.equals(menu.get(i).subMenu.get(j).subMenuTitle)){
                        getSupportFragmentManager().beginTransaction()
                                .replace(R.id.main_content, menu.get(i).subMenu.get(j).fragment)
                                .commit();
                        break;
                    }
                }
            }
        }

        if (drawer != null){
            drawer.closeDrawer(GravityCompat.START);
        }

    }

    @Override    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.main_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

    @Override    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == android.R.id.home) {
            drawer.openDrawer(GravityCompat.START);
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {

            BerandaFragment beranda= new BerandaFragment();
            this.getSupportFragmentManager().beginTransaction()
                    .replace(R.id.main_content, beranda.newInstance(""))
                    .addToBackStack(null)
                    .commit();

            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    public void keluar(){
        new AlertDialog.Builder(this)
                .setTitle("Menutup Aplikasi")
                .setMessage("Terimakasih... Anda Telah Menggunakan Aplikasi Ini")
                .setNeutralButton("Tutup", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dlg, int sumthin) {
                        finish();
                    }})
                .show();
    }
    public void keluarYN(){
        AlertDialog.Builder ad=new AlertDialog.Builder(MainActivity.this);
        ad.setTitle("Konfirmasi");
        ad.setMessage("Apakah benar ingin keluar?");

        ad.setPositiveButton("OK",new DialogInterface.OnClickListener(){
            @Override            public void onClick(DialogInterface dialog, int which) {
                keluar();
            }});

        ad.setNegativeButton("No",new DialogInterface.OnClickListener(){
            public void onClick(DialogInterface arg0, int arg1) {
            }});

        ad.show();
    }

}

===============================================================

LiatMahasiswa / DAFTAR MHS 

package com.mustofin.expandablenavigationdrawer.fragment;

import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

import com.mustofin.expandablenavigationdrawer.R;
import com.mustofin.expandablenavigationdrawer.SessionManager;

import org.apache.http.NameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class ListMahasiswa_fragment extends Fragment {
    private String kode_user;
    SessionManager session;
    private static final String ARG_PARAM = "";

    String paramText;

    String ip="";
    ListView lv;
    private ProgressDialog pDialog;
    JSONParser jParser = new JSONParser();
    JSONArray myJSON = null;

    ArrayList<HashMap<String, String>> arrayList;
    private static final String TAG_SUKSES = "sukses";
    private static final String TAG_record = "record";

    private static final String TAG_kode_mahasiswa = "kode_mahasiswa";
    private static final String TAG_email = "email";
    private static final String TAG_nama_mahasiswa = "nama";

    public static ListMahasiswa_fragment newInstance(String param) {
            ListMahasiswa_fragment fragment = new ListMahasiswa_fragment();
            Bundle args = new Bundle();
            args.putString(ARG_PARAM, param);
            fragment.setArguments(args);
        return fragment;
    }


    @Override    public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.mahasiswa_list, container, false);;
        lv = (ListView) view.findViewById(R.id.listjson);

        paramText = getArguments().getString(ARG_PARAM);//paramText dari halaman sebelumnya
        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override            public void onItemClick(AdapterView<?> parent, View view,int position, long id) {
                String pk = ((TextView) view.findViewById(R.id.kode_k)).getText().toString();
                Detail_mahasiswafragment detailmahasiswafragment= new Detail_mahasiswafragment();
                getActivity().getSupportFragmentManager().beginTransaction()
                        .replace(R.id.main_content, detailmahasiswafragment.newInstance(pk))
                        .addToBackStack(null)
                        .commit();
            }});


        arrayList = new ArrayList<HashMap<String, String>>();
        ip=jParser.getIP();

        new ListMahasiswa_fragment.load().execute();

        return view;
    }


    @Override    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == 100) {// jika result code 100            Intent intent = getActivity().getIntent();
            getActivity().finish();
            startActivity(intent);
        }
    }

    class load extends AsyncTask<String, String, String> {
        @Override        protected void onPreExecute() {
            super.onPreExecute();
            pDialog = new ProgressDialog(getActivity());
            pDialog.setMessage("Load data. Silahkan Tunggu...");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(false);
            pDialog.show();
        }

        protected String doInBackground(String... args) {
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            JSONObject json = jParser.makeHttpRequest(ip+"mahasiswa/mahasiswa_show.php", "GET", params);
            Log.d("show: ", json.toString());
            try {
                int sukses = json.getInt(TAG_SUKSES);
                if (sukses == 1) {
                    myJSON = json.getJSONArray(TAG_record);
                    for (int i = 0; i < myJSON.length(); i++) {
                        JSONObject c = myJSON.getJSONObject(i);
                        String kode_mahasiswa= c.getString(TAG_kode_mahasiswa);
                        String email= c.getString(TAG_email);
                        String nama_mahasiswa = c.getString(TAG_nama_mahasiswa);

                        HashMap<String, String> map = new HashMap<String, String>();
                        map.put(TAG_kode_mahasiswa, kode_mahasiswa);
                        map.put(TAG_nama_mahasiswa, nama_mahasiswa);
                        map.put(TAG_email, email);

                        arrayList.add(map);
                    }
                } else {
                    Detail_mahasiswafragment detailmahasiswafragment= new Detail_mahasiswafragment();
                    getActivity().getSupportFragmentManager().beginTransaction()
                            .replace(R.id.main_content, detailmahasiswafragment.newInstance(""))
                            .addToBackStack(null)
                            .commit();

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

        protected void onPostExecute(String file_url) {
            pDialog.dismiss();
            getActivity().runOnUiThread(new Runnable() {
                public void run() {
                    ListAdapter adapter = new SimpleAdapter(getActivity(), arrayList,R.layout.desain_list, new String[] { TAG_kode_mahasiswa,TAG_nama_mahasiswa,TAG_email},new int[] { R.id.kode_k, R.id.txtNamalkp, R.id.txtDeskripsilkp});
                    lv.setAdapter(adapter);
                }
            });}
    }

    public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(0, 1, 0, "Add New").setIcon(R.drawable.add);
        return true;
    }

    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case 1:
                Detail_mahasiswafragment detailmahasiswafragment= new Detail_mahasiswafragment();
                getActivity().getSupportFragmentManager().beginTransaction()
                        .replace(R.id.main_content, detailmahasiswafragment.newInstance(""))
                        .addToBackStack(null)
                        .commit();

                return true;
        }
        return false;
    }

    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            getActivity().onBackPressed();
            return true;
        }
        return super.getActivity().onKeyDown(keyCode, event);
    }


}




Detail Mahasiswa:

package com.mustofin.expandablenavigationdrawer.fragment;

import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;

import com.mustofin.expandablenavigationdrawer.R;
import com.mustofin.expandablenavigationdrawer.SessionManager;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

public class Detail_mahasiswafragment extends Fragment {
    private String paramText;
    SessionManager session;
    private static final String ARG_PARAM1 = "";
    String ip="";
    String kode_mahasiswa;
    EditText txtKode_mahasiswa;
    EditText txtnama_mahasiswa;
    EditText txttelepon;
    EditText txtemail;
    EditText txtketerangan;
    EditText txtstatus;

    Button btnProses;
    Button btnHapus;

    private ProgressDialog pDialog;
    JSONParser jsonParser = new JSONParser();

    private static final String TAG_SUKSES = "sukses";
    private static final String TAG_record = "record";

    private static final String TAG_nama_mahasiswa = "nama";
    private static final String TAG_telepon = "telepon";
    private static final String TAG_email = "email";
    private static final String TAG_keterangan = "keterangan";
    private static final String TAG_status = "status";


    public  Detail_mahasiswafragment newInstance(String param1) {
           Detail_mahasiswafragment fragment = new Detail_mahasiswafragment();
            Bundle args = new Bundle();
            args.putString(ARG_PARAM1, param1);
            fragment.setArguments(args);
        return fragment;

    }

    @Override    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
     if (getArguments() != null) {
        paramText = getArguments().getString(ARG_PARAM1);
    }
    }


    @Override    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.mhs_detail, container, false);;
        session = new SessionManager(getActivity());
        session.getUserDetails();
        HashMap map=session.getUserDetails();

        Set keys = map.keySet();
        Iterator itr = keys.iterator();

        String KODE="";
        while(itr.hasNext()) {
            String key = (String)itr.next();
            KODE= (String)map.get(key);
       }
         Log.v("BACA",KODE+"#=paramText="+paramText+"#");
        ip=jsonParser.getIP();

        txtKode_mahasiswa = (EditText) view.findViewById(R.id.txtkode_mahasiswa);
        txtnama_mahasiswa= (EditText) view.findViewById(R.id.txtnama_mahasiswa);
        txtemail= (EditText) view.findViewById(R.id.txtemail);
        txttelepon= (EditText)  view.findViewById(R.id.txttelepon);
        txtketerangan = (EditText)  view.findViewById(R.id.txtketerangan);
        txtstatus= (EditText)  view.findViewById(R.id.txtstatus);

        btnProses= (Button)  view.findViewById(R.id.btnproses);
        btnHapus = (Button)  view.findViewById(R.id.btnhapus);

        kode_mahasiswa = paramText;

        if(kode_mahasiswa.length()>0){
            new get().execute();
            btnProses.setText("Update Data");
            btnHapus.setVisibility(View.VISIBLE);
        }
        else{
            btnProses.setText("Add New Data");
            btnHapus.setVisibility(View.GONE);
        }

        btnProses.setOnClickListener(new View.OnClickListener() {
            @Override            public void onClick(View arg0) {
                kode_mahasiswa= txtKode_mahasiswa.getText().toString();
                String lnama_mahasiswa= txtnama_mahasiswa.getText().toString();
                String lemail= txtemail.getText().toString();
                String ltelepon= txttelepon.getText().toString();
                String lketerangan= txtketerangan.getText().toString();
                String lstatus= txtstatus.getText().toString();

                if(kode_mahasiswa.length()<1){lengkapi("kode_mahasiswa");}
                else if(lnama_mahasiswa.length()<1){lengkapi("nama_mahasiswa");}
                else if(lemail.length()<1){lengkapi("email");}
                else if(ltelepon.length()<1){lengkapi("telpon");}
                else if(lketerangan.length()<1){lengkapi("keterangan");}
                else if(lstatus.length()<1){lengkapi("status");}
                else{
                    if(kode_mahasiswa.length()>0){
                        new update().execute();
                    }
                    else{
                        new save().execute();
                    }
                }//else
            }});

        btnHapus.setOnClickListener(new View.OnClickListener() {
            @Override            public void onClick(View arg0) {
                new del().execute();
//                getActivity().onBackPressed();            }});

        return view;
    }

    class get extends AsyncTask<String, String, String> {
        @Override        protected void onPreExecute() {
            super.onPreExecute();
            pDialog = new ProgressDialog(getActivity());
            pDialog.setMessage("Load data detail. Silahkan tunggu...");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(true);
            pDialog.show();
        }
        protected String doInBackground(String... params) {
            int sukses;
            try {
                List<NameValuePair> params1 = new ArrayList<NameValuePair>();
                params1.add(new BasicNameValuePair("kode_mahasiswa", kode_mahasiswa));

                String url=ip+"mahasiswa/mahasiswa_detail.php";
                Log.v("detail",url);
                JSONObject json = jsonParser.makeHttpRequest(url, "GET", params1);
                Log.d("detail", json.toString());
                sukses = json.getInt(TAG_SUKSES);
                if (sukses == 1) {
                    JSONArray myObj = json.getJSONArray(TAG_record); // JSON Array                    final JSONObject myJSON = myObj.getJSONObject(0);
                    getActivity().runOnUiThread(new Runnable() {
                        public void run() {
                            try {
                                txtKode_mahasiswa.setText(kode_mahasiswa);
                                txtnama_mahasiswa.setText(myJSON.getString(TAG_nama_mahasiswa));
                                txttelepon.setText(myJSON.getString(TAG_telepon));
                                txtemail.setText(myJSON.getString(TAG_email));
                                txtketerangan.setText(myJSON.getString(TAG_keterangan));
                                txtstatus.setText(myJSON.getString(TAG_status));
                            }
                            catch (JSONException e) {e.printStackTrace();}
                        }});
                }
                else{
                    // jika id tidak ditemukan                }
            } catch (JSONException e) {
                e.printStackTrace();
            }
            return null;
        }
        protected void onPostExecute(String file_url) {pDialog.dismiss();}
    }
    //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    class save extends AsyncTask<String, String, String> {
        @Override        protected void onPreExecute() {
            super.onPreExecute();
            pDialog = new ProgressDialog(getActivity());
            pDialog.setMessage("Menyimpan data ...");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(true);
            pDialog.show();
        }
        protected String doInBackground(String... args) {
            String lnama_mahasiswa= txtnama_mahasiswa.getText().toString();
            String lemail= txtemail.getText().toString();
            String ltelepon= txttelepon.getText().toString();
            String lketerangan= txtketerangan.getText().toString();
            String lstatus= txtstatus.getText().toString();

            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("kode_mahasiswa0", kode_mahasiswa));
            params.add(new BasicNameValuePair("kode_mahasiswa", kode_mahasiswa));
            params.add(new BasicNameValuePair("nama_mahasiswa", lnama_mahasiswa));
            params.add(new BasicNameValuePair("email", lemail));
            params.add(new BasicNameValuePair("telepon", ltelepon));
            params.add(new BasicNameValuePair("keterangan", lketerangan));
            params.add(new BasicNameValuePair("status", lstatus));

            String url=ip+"mahasiswa/mahasiswa_add.php";
            Log.v("add",url);
            JSONObject json = jsonParser.makeHttpRequest(url,"POST", params);
            Log.d("add", json.toString());
            try {
                int sukses = json.getInt(TAG_SUKSES);
                if (sukses == 1) {
                    Intent i = getActivity().getIntent();
                    getActivity().setResult(100, i);
//                    getActivity().finish();                    ListMahasiswa_fragment List_mahasiswa= new ListMahasiswa_fragment();
                    getActivity().getSupportFragmentManager().beginTransaction()
                            .replace(R.id.main_content, List_mahasiswa.newInstance(""))
                            .addToBackStack(null)
                            .commit();
                } else {
                    // gagal update data                }
            } catch (JSONException e) {
                e.printStackTrace();
            }
            return null;
        }

        protected void onPostExecute(String file_url) {pDialog.dismiss();}
    }
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    class update extends AsyncTask<String, String, String> {
        @Override        protected void onPreExecute() {
            super.onPreExecute();
            pDialog = new ProgressDialog(getActivity());
            pDialog.setMessage("Mengubah data ...");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(true);
            pDialog.show();
        }
        protected String doInBackground(String... args) {
            String lnama_mahasiswa= txtnama_mahasiswa.getText().toString();
            String lemail= txtemail.getText().toString();
            String ltelepon= txttelepon.getText().toString();
            String lketerangan= txtketerangan.getText().toString();
            String lstatus= txtstatus.getText().toString();

            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("kode_mahasiswa0", kode_mahasiswa));
            params.add(new BasicNameValuePair("kode_mahasiswa", kode_mahasiswa));
            params.add(new BasicNameValuePair("nama_mahasiswa", lnama_mahasiswa));
            params.add(new BasicNameValuePair("email", lemail));
            params.add(new BasicNameValuePair("telepon", ltelepon));
            params.add(new BasicNameValuePair("keterangan", lketerangan));
            params.add(new BasicNameValuePair("status", lstatus));

            String url=ip+"mahasiswa/mahasiswa_update.php";
            Log.v("update",url);
            JSONObject json = jsonParser.makeHttpRequest(url,"POST", params);
            Log.d("add", json.toString());
            try {
                int sukses = json.getInt(TAG_SUKSES);
                if (sukses == 1) {
                    Intent i = getActivity().getIntent();
                    getActivity().setResult(100, i);
//                    getActivity().finish();//pnggntiintent                    ListMahasiswa_fragment List_mahasiswa= new ListMahasiswa_fragment();
                    getActivity().getSupportFragmentManager().beginTransaction()
                            .replace(R.id.main_content, List_mahasiswa.newInstance(""))
                            .addToBackStack(null)
                            .commit();
//                } else {

                    // gagal update data                }
            } catch (JSONException e) {
                e.printStackTrace();
            }
            return null;
        }

        protected void onPostExecute(String file_url) {pDialog.dismiss();}
    }
    //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    class del extends AsyncTask<String, String, String> {
        @Override        protected void onPreExecute() {
            super.onPreExecute();
            pDialog = new ProgressDialog(getActivity());
            pDialog.setMessage("Menghapus data...");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(true);
            pDialog.show();
        }

        protected String doInBackground(String... args) {
            int sukses;
            try {
                List<NameValuePair> params = new ArrayList<NameValuePair>();
                params.add(new BasicNameValuePair("kode_mahasiswa", kode_mahasiswa));

                String url=ip+"mahasiswa/mahasiswa_del.php";
                Log.v("delete",url);
                JSONObject json = jsonParser.makeHttpRequest(url, "GET", params);
                Log.d("delete", json.toString());
                sukses = json.getInt(TAG_SUKSES);
                if (sukses == 1) {
                    Intent i = getActivity().getIntent();
                    getActivity().setResult(100, i);
//                    getActivity().finish();                    ListMahasiswa_fragment List_mahasiswa= new ListMahasiswa_fragment();
                    getActivity().getSupportFragmentManager().beginTransaction()
                            .replace(R.id.main_content, List_mahasiswa.newInstance(""))
                            .addToBackStack(null)
                            .commit();
                }
            }
            catch (JSONException e) {e.printStackTrace();}
            return null;
        }

        protected void onPostExecute(String file_url) {pDialog.dismiss();}
    }
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    public void lengkapi(String item){
        new AlertDialog.Builder(getActivity())
                .setTitle("Lengkapi Data")
                .setMessage("Silakan lengkapi data "+item +" !")
                .setNeutralButton("Tutup", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dlg, int sumthin) {
                        getActivity().finish();
                    }}).show();
    }


    void callMarquee(){
        Calendar cal = Calendar.getInstance();
        int jam = cal.get(Calendar.HOUR);
        int menit= cal.get(Calendar.MINUTE);
        int detik= cal.get(Calendar.SECOND);

        int tgl= cal.get(Calendar.DATE);
        int bln= cal.get(Calendar.MONTH);
        int thn= cal.get(Calendar.YEAR);

        String stgl=String.valueOf(tgl)+"-"+String.valueOf(bln)+"-"+String.valueOf(thn);
        String sjam=String.valueOf(jam)+":"+String.valueOf(menit)+":"+String.valueOf(detik);


        txtMarquee.setSelected(true);
        String kata="Selamat Datang @lp2maray.com Aplikasi Android  "+stgl+"/"+sjam+" #";
        String kalimat=String.format("%1$s", TextUtils.htmlEncode(kata));
        txtMarquee.setText(Html.fromHtml(kalimat+kalimat+kalimat));
    }

}

OK MUDAH YAAAAAAAAA....