Selamat malam soba blogger kali ini saya akan berbagi aplikasi sederhana penjualan menggunakan android studio. Aplikasi ini sangat penting untik menghitung uang kembalian dan diskon yang diperoleh. Aplikasi ini pun masih banyak kekurangannya, bagi teman-teman yang masih pemula menggunakan android studio mungkin ini bisa menjadi referensi untuk belajar.
Langkah 1# Masukkan kode MainActivity.java
1 package com.example.andiabidzarmakkasau.tokolawan; 2 3 import android.support.v7.app.AppCompatActivity; 4 import android.os.Bundle; 5 6 import android.view.View; 7 import android.widget.Button; 8 import android.widget.EditText; 9 import android.widget.TextView; 10 import android.widget.Toast; 11 12 public class MainActivity extends AppCompatActivity { 13 private EditText edtnamapel, edtid, edtnamabar, edtjumlahbel, edtharga, edtuangbay; 14 private Button btnproses; 15 private Button btnhapus; 16 private Button btnexit; 17 private TextView txtnamapel; 18 private TextView txtid; 19 private TextView txtnamabar; 20 private TextView txtjumlahbel; 21 private TextView txtharga; 22 private TextView txtuangbay; 23 private TextView txtbonus; 24 private TextView txttotalbelanja; 25 private TextView txtuangkembali; 26 private TextView txtketerangan; 27 28 @Override 29 protected void onCreate(Bundle savedInstanceState) { 30 super.onCreate(savedInstanceState); 31 setContentView(R.layout.activity_main); 32 33 getSupportActionBar().setTitle("Toko Arman"); 34 35 edtnamapel = (EditText) findViewById(R.id.namapelanggan); 36 edtid = (EditText) findViewById(R.id.idbarang); 37 edtnamabar = (EditText) findViewById(R.id.namabarang); 38 edtjumlahbel = (EditText) findViewById(R.id.jumlahbeli); 39 edtharga = (EditText) findViewById(R.id.harga); 40 edtuangbay = (EditText) findViewById(R.id.uangbayar); 41 btnproses = (Button) findViewById(R.id.tombol1); 42 btnhapus = (Button) findViewById(R.id.tombol2); 43 btnexit = (Button) findViewById(R.id.tombol3); 44 txtnamapel = (TextView) findViewById(R.id.namapelanggan); 45 txtid = (TextView) findViewById(R.id.idbarang); 46 txtnamabar = (TextView) findViewById(R.id.namabarang); 47 txtjumlahbel = (TextView) findViewById(R.id.jumlahbeli); 48 txtharga = (TextView) findViewById(R.id.harga); 49 txtuangbay = (TextView) findViewById(R.id.uangbayar); 50 txtbonus = (TextView) findViewById(R.id.bonus); 51 txttotalbelanja = (TextView) findViewById(R.id.totalbelanja); 52 txtuangkembali = (TextView) findViewById(R.id.uangkembali); 53 txtketerangan = (TextView) findViewById(R.id.keterangan); 54 55 btnproses.setOnClickListener(new View.OnClickListener() { 56 @Override 57 public void onClick(View view) { 58 String namapelanggan = edtnamapel.getText().toString().trim(); 59 String idbarang = edtid.getText().toString().trim(); 60 String namabarang = edtnamabar.getText().toString().trim(); 61 String jumlahbeli = edtjumlahbel.getText().toString().trim(); 62 String harga = edtharga.getText().toString().trim(); 63 String uangbayar = edtuangbay.getText().toString().trim(); 64 65 double jb = Double.parseDouble(jumlahbeli); 66 double h = Double.parseDouble(harga); 67 double ub = Double.parseDouble(uangbayar); 68 double total = (jb * h); 69 txttotalbelanja.setText("Total Belanja : " + total); 70 71 72 73 74 75 if (total >=200000){ 76 txtbonus.setText("Bonus : Mie"); 77 } else if (total >=50000){ 78 txtbonus.setText("Bonus : Pepsodent"); 79 } else if (total >=40000){ 80 txtbonus.setText("Bonus : Permen"); 81 } else { 82 txtbonus.setText("Bonus : Tidak Ada"); 83 } 84 double uangkembalian = (ub - total); 85 86 if (ub < total){ 87 txtketerangan.setText("Keterangan : uang bayar kurang Rp " + (-uangkembalian)); 88 txtuangkembali.setText("Uang Kembali : Rp 0" ); 89 }else{ 90 txtketerangan.setText("Keterangan : TUNGGU KEMBALIANNYA"); 91 txtuangkembali.setText("Uang Kembali : " + uangkembalian); 92 } 93 94 95 } 96 }); 97 btnhapus.setOnClickListener(new View.OnClickListener() { 98 @Override 99 public void onClick(View view) { 100 txtnamapel.setText(" "); 101 txtid.setText(" "); 102 txtnamabar.setText(" "); 103 txttotalbelanja.setText(" Total Belanja : Rp 0"); 104 txtharga.setText(" "); 105 txtuangbay.setText(" "); 106 txtuangkembali.setText("Uang Kembali : Rp 0"); 107 txtbonus.setText("Bonus : - "); 108 txtjumlahbel.setText(" "); 109 txtketerangan.setText("Keterangan : - "); 110 111 Toast.makeText(getApplicationContext(),"data sudah direset", Toast.LENGTH_LONG).show(); 112 113 } 114 }); 115 btnexit.setOnClickListener(new View.OnClickListener() { 116 public void onClick(View view) { 117 118 moveTaskToBack(true); 119 } 120 }); 121 } 122 }
1 <?xml version="1.0" encoding="utf-8"?> 2 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:app="http://schemas.android.com/apk/res-auto" 4 xmlns:tools="http://schemas.android.com/tools" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 android:paddingBottom="16dp" 8 android:paddingLeft="16dp" 9 android:paddingRight="16dp" 10 android:orientation="vertical" 11 android:paddingTop="16dp" 12 tools:context="com.example.andiabidzarmakkasau.tokolawan.MainActivity"> 13 14 <LinearLayout 15 android:layout_width="fill_parent" 16 android:layout_height="fill_parent" 17 android:orientation="vertical"> 18 <LinearLayout 19 android:layout_width="match_parent" 20 android:layout_height="wrap_content" 21 android:orientation="horizontal"> 22 <TextView 23 android:layout_width="wrap_content" 24 android:layout_height="wrap_content" 25 android:text="Nama Pelanggan : " 26 android:textStyle="bold" 27 android:textColor="#1E90FF"/> 28 <EditText 29 android:layout_width="match_parent" 30 android:layout_height="wrap_content" 31 android:id="@+id/namapelanggan" 32 android:text="" /> 33 </LinearLayout> 34 <LinearLayout 35 android:layout_width="match_parent" 36 android:layout_height="wrap_content" 37 android:orientation="horizontal"> 38 <TextView 39 android:layout_width="wrap_content" 40 android:layout_height="wrap_content" 41 android:text="ID Barang : " 42 android:textStyle="bold" 43 android:textColor="#1E90FF"/> 44 <EditText 45 android:layout_width="match_parent" 46 android:layout_height="wrap_content" 47 android:id="@+id/idbarang" 48 android:text="" /> 49 </LinearLayout> 50 <LinearLayout 51 android:layout_width="match_parent" 52 android:layout_height="wrap_content" 53 android:orientation="horizontal"> 54 <TextView 55 android:layout_width="wrap_content" 56 android:layout_height="wrap_content" 57 android:text="Nama Barang : " 58 android:textStyle="bold" 59 android:textColor="#1E90FF"/> 60 <EditText 61 android:layout_width="match_parent" 62 android:layout_height="wrap_content" 63 android:id="@+id/namabarang" 64 android:text="" /> 65 </LinearLayout> 66 <LinearLayout 67 android:layout_width="match_parent" 68 android:layout_height="wrap_content" 69 android:orientation="horizontal"> 70 <TextView 71 android:layout_width="wrap_content" 72 android:layout_height="wrap_content" 73 android:text="Jumlah Beli: " 74 android:textStyle="bold" 75 android:textColor="#1E90FF"/> 76 <EditText 77 android:layout_width="match_parent" 78 android:layout_height="wrap_content" 79 android:id="@+id/jumlahbeli" 80 android:text="" 81 android:inputType="number"/> 82 </LinearLayout> 83 <LinearLayout 84 android:layout_width="match_parent" 85 android:layout_height="wrap_content" 86 android:orientation="horizontal"> 87 <TextView 88 android:layout_width="wrap_content" 89 android:layout_height="wrap_content" 90 android:text="Harga : Rp " 91 android:textStyle="bold" 92 android:textColor="#1E90FF"/> 93 <EditText 94 android:layout_width="match_parent" 95 android:layout_height="wrap_content" 96 android:id="@+id/harga" 97 android:text="" 98 android:inputType="number" 99 android:layout_marginBottom="8dp" /> 100 </LinearLayout> 101 102 103 104 <LinearLayout 105 android:layout_width="match_parent" 106 android:layout_height="wrap_content" 107 android:orientation="horizontal"> 108 <TextView 109 android:layout_width="wrap_content" 110 android:layout_height="wrap_content" 111 android:text="Uang Bayar: Rp " 112 android:textStyle="bold" 113 android:textColor="#1E90FF"/> 114 <EditText 115 android:layout_width="match_parent" 116 android:layout_height="wrap_content" 117 android:id="@+id/uangbayar" 118 android:text="" 119 android:inputType="number"/> 120 </LinearLayout> 121 <Button 122 android:layout_width="match_parent" 123 android:layout_height="wrap_content" 124 android:id="@+id/tombol1" 125 android:text="PROSES" 126 android:textStyle="bold" 127 android:textColor="#1E90FF" 128 android:layout_marginBottom="8dp" /> 129 <TextView 130 android:layout_width="wrap_content" 131 android:layout_height="wrap_content" 132 android:text="Total Belanja " 133 android:textColor="#1E90FF" 134 android:id="@+id/totalbelanja" 135 android:textStyle="bold" 136 android:textSize="18dp" 137 android:layout_marginBottom="8dp" /> 138 <TextView 139 android:layout_width="wrap_content" 140 android:layout_height="wrap_content" 141 android:text="Uang Kembali " 142 android:textColor="#1E90FF" 143 android:id="@+id/uangkembali" 144 android:textStyle="bold" 145 android:textSize="18dp" 146 android:layout_marginBottom="8dp"/> 147 <TextView 148 android:layout_width="wrap_content" 149 android:layout_height="wrap_content" 150 android:text="Bonus" 151 android:textColor="#1E90FF" 152 android:id="@+id/bonus" 153 android:textStyle="bold" 154 android:textSize="18dp" 155 android:layout_marginBottom="8dp"/> 156 <TextView 157 android:layout_width="wrap_content" 158 android:layout_height="wrap_content" 159 android:text="Keterangan " 160 android:textColor="#1E90FF" 161 android:id="@+id/keterangan" 162 android:textStyle="bold" 163 android:textSize="18dp" 164 android:layout_marginBottom="8dp"/> 165 <LinearLayout 166 android:layout_width="match_parent" 167 android:layout_height="wrap_content" 168 android:orientation="horizontal"> 169 170 <Button 171 android:layout_width="wrap_content" 172 android:layout_height="wrap_content" 173 android:id="@+id/tombol2" 174 android:text="CLEAR" 175 android:textStyle="bold" 176 android:textColor="#1E90FF"/> 177 <Button 178 android:layout_width="wrap_content" 179 android:layout_height="wrap_content" 180 android:id="@+id/tombol3" 181 android:text="EXIT" 182 android:textColor="#1E90FF" 183 android:textStyle="bold"/> 184 </LinearLayout> 185 </LinearLayout> 186 </ScrollView>
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