🐛 fix payment button, ketika onchange kurang dari harga, maka button tidak aktif

app/src/main/java/com/yono/messeripos/BottomSheets.java

@@ -44,7 +44,7 @@ public class BottomSheets extends BottomSheetDialogFragment {
     Utils utils;
     String defaultText = "0";
     Client client = new Client();
-    public static long grossAmount;
+    public static long grossAmount, input, result;
     SharedPreferences sharedPreferences;
     public static BottomSheetBehavior bottomSheetBehavior;
     RelativeLayout layoutFormCash;
@@ -80,6 +80,8 @@ public class BottomSheets extends BottomSheetDialogFragment {
         totalHarga = v.findViewById(R.id.totalHarga);
         utils = new Utils();
 
+        btnCash.setEnabled(false);
+
 //        bottomSheetBehavior = BottomSheetBehavior.from(layoutFormCash);
         sharedPreferences = getActivity().getSharedPreferences(MainActivity.MY_SHARED_PREFERENCES, Context.MODE_PRIVATE);
 //        bottomSheetBehavior.setState(BottomSheetBehavior.STATE_EXPANDED);
@@ -124,14 +126,19 @@ public class BottomSheets extends BottomSheetDialogFragment {
 
             @Override
             public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
-                if (TextUtils.isEmpty(charSequence)) inputAmount.setText("");
+                if (TextUtils.isEmpty(charSequence)) inputAmount.setText("0");
 
                 grossAmount = paymentsModels.getGrossAmount();
-                long input = Long.parseLong(inputAmount.getText().toString());
-                long result = input-grossAmount;
+                input = Long.parseLong(inputAmount.getText().toString());
+                result = input-grossAmount;
 
-                hargaChange.setText(utils.convertPrice("Rp.", result));
+                if (result > 0) {
+                    btnCash.setEnabled(true);
+                }else {
+                    btnCash.setEnabled(false);
+                }
 
+                hargaChange.setText(utils.convertPrice("Rp.", result));
             }
 
             @Override
@@ -156,21 +163,21 @@ public class BottomSheets extends BottomSheetDialogFragment {
         );
 
         PaymentService paymentService = client.Client(PaymentService.class);
+
             paymentService.postFromCart(paymentsModels).enqueue(new Callback<DataResponse<PaymentsModels>>() {
                 @Override
                 public void onResponse(Call<DataResponse<PaymentsModels>> call, Response<DataResponse<PaymentsModels>> response) {
-                Log.i("CASH", "onResponse: "+utils.convertGson(response.body()));
-                if (response.body() != null){
+                    Log.i("CASH", "onResponse: " + utils.convertGson(response.body()));
+                    if (response.body() != null) {
                         SharedPreferences.Editor editor = PaymentActivity.sharedPreferences.edit();
                         editor.putBoolean(CHECKOUT, false);
                         editor.putString(ORDER_ID, "");
-                    if (editor.commit()){
+                        if (editor.commit()) {
                             Intent i = new Intent(getActivity(), MainActivity.class);
                             view.getContext().startActivity(i);
                         }
                     }
                 }
-
                 @Override
                 public void onFailure(Call<DataResponse<PaymentsModels>> call, Throwable t) {
 

app/src/main/java/com/yono/messeripos/PaymentActivity.java

@@ -45,6 +45,7 @@ import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
 
+import static com.yono.messeripos.BottomSheets.bottomSheetBehavior;
 import static com.yono.messeripos.BottomSheets.grossAmount;
 import static com.yono.messeripos.MainActivity.CHECKOUT;
 import static com.yono.messeripos.MainActivity.ORDER_ID;
@@ -66,13 +67,13 @@ public class PaymentActivity extends AppCompatActivity {
     public static BottomSheets bottomSheet;
     public static QRCode qrCode;
     public static SharedPreferences sharedPreferences;
-    Button cashBtn;
     ProgressDialog progressDialog;
     BottomSheetBehavior bottomSheetBank;
     RelativeLayout qrcodeLayoutBank;
     PaymentsModels paymentsModelsIntent;
 
 
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -210,7 +211,7 @@ public class PaymentActivity extends AppCompatActivity {
                                     qrCode = new QRCode(response.body());
                                     qrCode.show(
                                             getSupportFragmentManager(),
-                                            "QRCode"
+                                            qrCode.getTag()
                                     );
 
                                 }

app/src/main/res/layout/activity_q_r_code.xml

 <?xml version="1.0" encoding="utf-8"?>
 
 <androidx.constraintlayout.widget.ConstraintLayout
+    android:id="@+id/bot_sheet"
     android:layout_height="match_parent"
     android:layout_width="match_parent"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     style="@style/Widget.Rounded.BottomSheet"
+    app:behavior_hideable="false"
+    app:behavior_peekHeight="500dp"
     app:layout_behavior="com.google.android.material.bottomsheet.BottomSheetBehavior"
     xmlns:android="http://schemas.android.com/apk/res/android">