UAS_MainActivity.java

package com.example.uas_ade;

import android.database.Cursor;

import android.os.Bundle;

import android.support.v7.app.AlertDialog;

import android.support.v7.app.AppCompatActivity;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;



public class MainActivity extends AppCompatActivity {

    DatabaseHelper myDb;

    EditText editKode,editObat,editJenis,editIndikasi,editTanggal,editHarga,editID;

    Button btnAddData;

    Button btnViewAll;

    Button btnUpdate;

    Button btnDelete;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        myDb = new DatabaseHelper(this);

        editKode = (EditText)findViewById(R.id.editText_kode);

        editObat = (EditText)findViewById(R.id.editText_obat);

        editJenis = (EditText)findViewById(R.id.editText_jenis);

        editIndikasi = (EditText)findViewById(R.id.editText_indikasi);

        editTanggal = (EditText)findViewById(R.id.editText_tanggal);

        editHarga = (EditText)findViewById(R.id.editText_harga);

        editID = (EditText)findViewById(R.id.editText_id);

        btnAddData = (Button)findViewById(R.id.button_add);

        btnViewAll = (Button)findViewById(R.id.button_view);

        btnUpdate = (Button)findViewById(R.id.button_update);

        btnDelete = (Button)findViewById(R.id.button_delete);

        AddData();

        viewAll();

        UpdateData();

        deleteData();

    }



    //fungsi hapus

    public void deleteData() {

        btnDelete.setOnClickListener(

                new View.OnClickListener() {

                    @Override

                    public void onClick(View v) {

                        Integer deletedRows = myDb.deleteData(editID.getText().toString());

                        if (deletedRows > 0)

                            Toast.makeText(MainActivity.this,"Data Deleted",Toast.LENGTH_LONG).show();

                        else

                            Toast.makeText(MainActivity.this,"Data Failed to Deleted!",Toast.LENGTH_LONG).show();

                    }

                }

        );

    }



    //fungsi update

    public void UpdateData() {

        btnUpdate.setOnClickListener(

                new View.OnClickListener() {

                    @Override

                    public void onClick(View v) {

                        boolean isUpdate = myDb.updateData(editID.getText().toString(),

                                editKode.getText().toString(),

                                editObat.getText().toString(),

                                editJenis.getText().toString(),

                                editIndikasi.getText().toString(),

                                editTanggal.getText().toString(),

                                editHarga.getText().toString());

                        if(isUpdate == true)

                            Toast.makeText(MainActivity.this,"Data Updated",Toast.LENGTH_LONG).show();

                        else

                            Toast.makeText(MainActivity.this,"Data Failed to Update",Toast.LENGTH_LONG).show();

                    }

                }

        );

    }



    //fungsi tambah

    public void AddData() {

        btnAddData.setOnClickListener(

                new View.OnClickListener() {

                    @Override

                    public void onClick(View v) {

                        boolean isInserted = myDb.insertData(editKode.getText().toString(),

                                editObat.getText().toString(),

                                editJenis.getText().toString(),

                                editIndikasi.getText().toString(),

                                editTanggal.getText().toString(),

                                editHarga.getText().toString());

                        if(isInserted == true)

                            Toast.makeText(MainActivity.this,"Data Inserted",Toast.LENGTH_LONG).show();

                        else

                            Toast.makeText(MainActivity.this,"Data Not Inserted",Toast.LENGTH_LONG).show();

                    }

                }

        );

    }



    //fungsi menampilkan data

    public void viewAll() {

        btnViewAll.setOnClickListener(

                new View.OnClickListener(){

                    @Override

                    public void onClick(View v) {

                        Cursor res = myDb.getAllData();

                        if(res.getCount() == 0) {

                            // show message

                            showMessage("Error","Noting Found");

                            return;

                        }



                        StringBuffer buffer = new StringBuffer();

                        while (res.moveToNext() ) {

                            buffer.append("Id :"+ res.getString(0)+"\n");

                            buffer.append("Kode Obat :"+ res.getString(1)+"\n");

                            buffer.append("Nama Obat :"+ res.getString(2)+"\n");

                            buffer.append("Jenis Obat :"+ res.getString(3)+"\n");

                            buffer.append("Indikasi :"+ res.getString(4)+"\n");

                            buffer.append("Tanggal Kadaluwarsa :"+ res.getString(5)+"\n");

                            buffer.append("Harga :"+ res.getString(6)+"\n");


                        }



                        // show all data

                        showMessage("Data",buffer.toString());

                    }

                }

        );

    }



    //membuat alert dialog

    public void showMessage(String title, String Message){

        AlertDialog.Builder builder = new AlertDialog.Builder(this);

        builder.setCancelable(true);

        builder.setTitle(title);

        builder.setMessage(Message);

        builder.show();

    }

}