Add FAB menu

app/src/main/java/com/topjohnwu/magisk/FABBehavior.java

@@ -0,0 +1,113 @@
+package com.topjohnwu.magisk;
+
+
+import android.content.Context;
+import android.support.design.widget.CoordinatorLayout;
+import android.support.design.widget.Snackbar;
+import android.support.v4.view.ViewCompat;
+import android.support.v4.view.ViewPropertyAnimatorCompat;
+import android.util.AttributeSet;
+import android.view.View;
+
+import com.github.clans.fab.FloatingActionMenu;
+
+import java.util.List;
+
+/**
+ * Created by Matteo on 08/08/2015.
+ *
+ * Floating Action Menu Behavior for Clans.FloatingActionButton
+ * https://github.com/Clans/FloatingActionButton/
+ *
+ * Use this behavior as your app:layout_behavior attribute in your Floating Action Menu to use the
+ * FabMenu in a Coordinator Layout.
+ *
+ * Remember to use the correct namespace for the fab:
+ * xmlns:fab="http://schemas.android.com/apk/res-auto"
+ */
+public class FABBehavior extends CoordinatorLayout.Behavior {
+    private float mTranslationY;
+
+    public FABBehavior(Context context, AttributeSet attrs) {
+        super();
+    }
+
+    @Override
+    public boolean layoutDependsOn(CoordinatorLayout parent, View child, View dependency) {
+        return dependency instanceof Snackbar.SnackbarLayout;
+    }
+
+    @Override
+    public boolean onDependentViewChanged(CoordinatorLayout parent, View child, View dependency) {
+        if (dependency instanceof Snackbar.SnackbarLayout) {
+            updateTranslation(parent, child);
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onDependentViewRemoved(CoordinatorLayout parent, View child, View dependency) {
+        if (dependency instanceof Snackbar.SnackbarLayout) {
+            revertTranslation(child);
+        }
+    }
+
+    private void updateTranslation(CoordinatorLayout parent, View child) {
+        float translationY = getTranslationY(parent, child);
+        if (translationY != mTranslationY) {
+            ViewPropertyAnimatorCompat anim = ViewCompat.animate(child);
+            anim.cancel();
+            anim.translationY(translationY).setDuration(100);
+            mTranslationY = translationY;
+        }
+    }
+
+    private void revertTranslation(View child) {
+        if (mTranslationY != 0) {
+            ViewPropertyAnimatorCompat anim = ViewCompat.animate(child);
+            anim.cancel();
+            anim.translationY(0).setDuration(100);
+            mTranslationY = 0;
+        }
+    }
+
+    private float getTranslationY(CoordinatorLayout parent, View child) {
+        float minOffset = 0.0F;
+        List dependencies = parent.getDependencies(child);
+        int i = 0;
+
+        for (int z = dependencies.size(); i < z; ++i) {
+            View view = (View) dependencies.get(i);
+            if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(child, view)) {
+                minOffset = Math.min(minOffset, ViewCompat.getTranslationY(view) - (float) view.getHeight());
+            }
+        }
+
+        return minOffset;
+    }
+
+    /**
+     * onStartNestedScroll and onNestedScroll will hide/show the FabMenu when a scroll is detected.
+     */
+    @Override
+    public boolean onStartNestedScroll(CoordinatorLayout coordinatorLayout, View child,
+                                       View directTargetChild, View target, int nestedScrollAxes) {
+        return nestedScrollAxes == ViewCompat.SCROLL_AXIS_VERTICAL ||
+                super.onStartNestedScroll(coordinatorLayout, child, directTargetChild, target,
+                        nestedScrollAxes);
+    }
+
+    @Override
+    public void onNestedScroll(CoordinatorLayout coordinatorLayout, View child, View target,
+                               int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed) {
+        super.onNestedScroll(coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed,
+                dyUnconsumed);
+        FloatingActionMenu fabMenu = (FloatingActionMenu) child;
+        if (dyConsumed > 0 && !fabMenu.isMenuButtonHidden()) {
+            fabMenu.hideMenuButton(true);
+        } else if (dyConsumed < 0 && fabMenu.isMenuButtonHidden()) {
+            fabMenu.showMenuButton(true);
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ModulesFragment.java

@@ -7,7 +7,6 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.annotation.Nullable;
-import android.support.design.widget.FloatingActionButton;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
@@ -15,6 +14,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import com.github.clans.fab.FloatingActionButton;
 import com.ipaulpro.afilechooser.utils.FileUtils;
 import com.topjohnwu.magisk.adapters.ModulesAdapter;
 import com.topjohnwu.magisk.module.Module;