Working with reset and rand buttons too

app/src/main/java/edu/liu/floodgame/MainActivity.java

@@ -6,12 +6,15 @@ import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
 
+import java.util.Random;
+
 public class MainActivity extends AppCompatActivity implements View.OnClickListener {
 
     final private String COUNTER = "counter";
 
+    private Random rng = new Random();
     private TextView textView;
-    private Button decrButton;
+    private Button decrButton, resetButton;
     private int counter = 0;
 
     @Override
@@ -20,6 +23,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         setContentView(R.layout.activity_main);
         this.textView = findViewById(R.id.textView);
         this.decrButton = findViewById(R.id.decrement);
+        this.resetButton = findViewById(R.id.reset);
         if(savedInstanceState == null) {
             System.out.println("No existing bundle");
             setCounter(0);
@@ -36,6 +40,10 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         outState.putInt(COUNTER, counter);
     }
 
+    public void anotherClick(View view) {
+
+    }
+
     @Override
     public void onClick(View view) {
         switch(view.getId()) {
@@ -45,12 +53,19 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
             case R.id.decrement:
                 setCounter(counter-1);
                 break;
+            case R.id.reset:
+                setCounter(0);
+                break;
+            case R.id.random:
+                setCounter(rng.nextInt(1000));
+                break;
         }
     }
 
     private void setCounter(int newValue) {
         counter = newValue;
-        textView.setText(getString(R.string.counter_is, counter));
+        textView.setText(Integer.toString(counter));
         decrButton.setEnabled(counter > 0);
+        resetButton.setEnabled(counter != 0);
     }
 }

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

@@ -12,6 +12,8 @@
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
         android:text="@string/greeting"
+        android:textSize="54sp"
+        app:fontFamily="sans-serif-black"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
@@ -20,17 +22,18 @@
     <LinearLayout
         android:id="@+id/linearLayout"
         style="?android:attr/buttonBarStyle"
-        android:layout_width="match_parent"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:gravity="center"
         android:orientation="horizontal"
         app:layout_constraintBottom_toTopOf="@+id/textView"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent">
 
         <Button
             android:id="@+id/decrement"
-            style="?android:attr/borderlessButtonStyle"
-            android:layout_width="105dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:onClick="onClick"
             android:text="@string/decrement"
@@ -43,13 +46,28 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:onClick="onClick"
-            style="?android:attr/borderlessButtonStyle"
             android:text="@string/increment"
             app:layout_constraintBottom_toTopOf="@+id/textView"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@+id/decrement"
             app:layout_constraintTop_toTopOf="parent" />
 
+        <Button
+            android:id="@+id/reset"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:onClick="onClick"
+            android:text="@string/reset" />
+
+        <Button
+            android:id="@+id/random"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:onClick="onClick"
+            android:text="@string/random" />
+
     </LinearLayout>
 
 </android.support.constraint.ConstraintLayout>
\ No newline at end of file

app/src/main/res/values/strings.xml

 <resources>
     <string name="app_name">FloodGame</string>
-    <string name="greeting">Hello class, this is a test.</string>
+    <string name="greeting">ABC</string>
     <string name="counter_is">Counter is ((%d))</string>
-    <string name="decrement">Decrement</string>
-    <string name="increment">Increment</string>
+    <string name="decrement">Decr</string>
+    <string name="increment">Incr</string>
+    <string name="reset">Reset</string>
+    <string name="random">Rand</string>
 </resources>