Merge branch 'keyboardReopen' of https://github.com/Drhaal/nextcloud-notes into Drhaal-keyboardReopen

1 files changed, 34 insertions, 0 deletions

diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DisplayUtils.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DisplayUtils.java
index b0adc011..ffea98b1 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DisplayUtils.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DisplayUtils.java
@@ -3,15 +3,22 @@ package it.niedermann.owncloud.notes.shared.util;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Color;
+import android.graphics.Rect;
+import android.os.Build;
 import android.text.Spannable;
 import android.text.TextPaint;
 import android.text.TextUtils;
 import android.text.style.MetricAffectingSpan;
+import android.util.TypedValue;
+import android.view.View;
+import android.view.WindowInsets;
 
 import androidx.annotation.ColorInt;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.core.content.ContextCompat;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
 
 import java.util.Collection;
 import java.util.List;
@@ -52,4 +59,31 @@ public class DisplayUtils {
         }
         return new NavigationItem.CategoryNavigationItem("category:" + counter.getCategory(), counter.getCategory(), counter.getTotalNotes(), icon, counter.getAccountId(), counter.getCategory());
     }
+
+    /**
+     * Detect if the soft keyboard is open.
+     * On API prior to 30 we fall back to workaround which might be less reliable
+     *
+     * @param parentView View
+     * @return keyboardVisibility Boolean
+     */
+    public static boolean isSoftKeyboardVisible(@NonNull View parentView) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            WindowInsetsCompat insets = ViewCompat.getRootWindowInsets(parentView);
+            if(insets != null){
+                return insets.isVisible(WindowInsets.Type.ime());
+            }
+        }
+        //Fall Back to workaround
+
+        //Arbitrary keyboard height
+        final int defaultKeyboardHeightDP = 100;
+        final int EstimatedKeyboardDP = defaultKeyboardHeightDP + (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? 48 : 0);
+        final Rect rect = new Rect();
+
+        int estimatedKeyboardHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, EstimatedKeyboardDP, parentView.getResources().getDisplayMetrics());
+        parentView.getWindowVisibleDisplayFrame(rect);
+        int heightDiff = parentView.getRootView().getHeight() - (rect.bottom - rect.top);
+        return heightDiff >= estimatedKeyboardHeight;
+    }
 }