Disable swiping in the ViewPager. https://redmine.stoutner.com/issues/415

[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / views / NoSwipeViewPager.java

diff --git a/app/src/main/java/com/stoutner/privacybrowser/views/NoSwipeViewPager.java b/app/src/main/java/com/stoutner/privacybrowser/views/NoSwipeViewPager.java
new file mode 100644 (file)
index 0000000..cb6e065
--- /dev/null
+++ b/app/src/main/java/com/stoutner/privacybrowser/views/NoSwipeViewPager.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright © 2019 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.views;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.viewpager.widget.ViewPager;
+
+public class NoSwipeViewPager extends ViewPager {
+    // The basic constructor
+    public NoSwipeViewPager(@NonNull Context context) {
+        // Roll up to the full constructor.
+        this(context, null);
+    }
+
+    // The full constructor.
+    public NoSwipeViewPager(@NonNull Context context, @Nullable AttributeSet attributeSet) {
+        // Run the default commands.
+        super(context, attributeSet);
+    }
+
+    // It is necessary to override `performClick()` when overriding `onTouchEvent()`
+    @Override
+    public boolean performClick() {
+        // Run the default commands.
+        super.performClick();
+
+        // Do not consume the events.
+        return false;
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        // `onTouchEvent()` requires calling `performClick()`.
+        performClick();
+
+        // Do not allow swiping.
+        return false;
+    }
+
+    @Override
+    public boolean onInterceptTouchEvent(MotionEvent event) {
+        // Do not allow swiping.
+        return false;
+    }
+}
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