Include separator characters for Samsung devices in MaterialDatePicker

Resolves #682

PiperOrigin-RevId: 279146671
(cherry picked from commit 62a2164)

Author: ldjcmu

lib/java/com/google/android/material/datepicker/RangeDateSelector.java

@@ -28,11 +28,13 @@
 import androidx.annotation.RestrictTo.Scope;
 import androidx.core.util.Pair;
 import androidx.core.util.Preconditions;
+import android.text.InputType;
 import android.util.DisplayMetrics;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.EditText;
+import com.google.android.material.internal.ManufacturerUtils;
 import com.google.android.material.internal.ViewUtils;
 import com.google.android.material.resources.MaterialAttributes;
 import com.google.android.material.textfield.TextInputLayout;
@@ -178,6 +180,12 @@ public View onCreateTextInputView(
     final TextInputLayout endTextInput = root.findViewById(R.id.mtrl_picker_text_input_range_end);
     EditText startEditText = startTextInput.getEditText();
     EditText endEditText = endTextInput.getEditText();
+    // The date inputType for Samsung does not include any separator characters
+    if (ManufacturerUtils.isSamsungDevice()) {
+      // Using the URI variation places the '/' and '.' in more prominent positions
+      startEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
+      endEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
+    }
 
     invalidRangeStartError = root.getResources().getString(R.string.mtrl_picker_invalid_range);
 

lib/java/com/google/android/material/datepicker/SingleDateSelector.java

@@ -27,10 +27,12 @@
 import androidx.annotation.RestrictTo;
 import androidx.annotation.RestrictTo.Scope;
 import androidx.core.util.Pair;
+import android.text.InputType;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.EditText;
+import com.google.android.material.internal.ManufacturerUtils;
 import com.google.android.material.internal.ViewUtils;
 import com.google.android.material.resources.MaterialAttributes;
 import com.google.android.material.textfield.TextInputLayout;
@@ -100,6 +102,11 @@ public View onCreateTextInputView(
 
     TextInputLayout dateTextInput = root.findViewById(R.id.mtrl_picker_text_input_date);
     EditText dateEditText = dateTextInput.getEditText();
+    // The date inputType for Samsung does not include any separator characters
+    if (ManufacturerUtils.isSamsungDevice()) {
+      // Using the URI variation places the '/' and '.' in more prominent positions
+      dateEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
+    }
     SimpleDateFormat format = UtcDates.getTextInputFormat();
     String formatHint = UtcDates.getTextInputHint(root.getResources(), format);
 

lib/java/com/google/android/material/internal/ManufacturerUtils.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.android.material.internal;
+
+import com.google.android.material.R;
+
+import android.os.Build;
+import androidx.annotation.RestrictTo;
+import androidx.annotation.RestrictTo.Scope;
+
+/** Utils to determine device manufacturers for special handling. */
+@RestrictTo(Scope.LIBRARY_GROUP)
+public class ManufacturerUtils {
+
+  private ManufacturerUtils() {}
+
+  /** Returns true if the device manufacturer is Samsung. */
+  public static boolean isSamsungDevice() {
+    return Build.MANUFACTURER.equalsIgnoreCase("samsung");
+  }
+}