Add snackbar support (#9)

Support moving FABsMenu when snackbar is shown
jahirfiquitiva · Aug 24, 2017 · 18c468d · 18c468d
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commit 18c468d
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Showing 13 changed files with 181 additions and 105 deletions.
diff --git a/README.md b/README.md
@@ -46,6 +46,7 @@ Finally, use it in your layout, just like this:
 <RelativeLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:fab="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
@@ -54,7 +55,8 @@ Finally, use it in your layout, just like this:
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             fab:fabs_menu_overlayColor="#4d000000"
-            fab:fabs_menu_clickableOverlay="true">
+            fab:fabs_menu_clickableOverlay="true"
+            tools:layout_behavior="@string/fabs_menu_layout_behavior">
 
         <!-- FABs Menu is the main view. It will contain all the items FABs and it create the menu fab itself -->
         <jahirfiquitiva.libs.fabsmenu.FABsMenu

diff --git a/app/src/main/java/jahirfiquitiva/apps/fabsmenu/demo/MainActivity.java b/app/src/main/java/jahirfiquitiva/apps/fabsmenu/demo/MainActivity.java
@@ -18,9 +18,11 @@
 
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.design.widget.Snackbar;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.app.AppCompatDelegate;
 import android.view.View;
+import android.widget.Button;
 import android.widget.Toast;
 
 import jahirfiquitiva.libs.fabsmenu.FABsMenu;
@@ -36,6 +38,15 @@ protected void onCreate(Bundle savedInstanceState) {
 
         setContentView(R.layout.activity_main);
 
+        Button snackButton = findViewById(R.id.snack_button);
+        snackButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(findViewById(R.id.coordinator), "Testing, testing, 1, 2, 3",
+                              Snackbar.LENGTH_LONG).show();
+            }
+        });
+
         final FABsMenu menu = findViewById(R.id.fabs_menu);
         menu.setMenuUpdateListener(new FABsMenuListener() {
             // You don't need to override all methods. Just the ones you want.

diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -14,9 +14,11 @@
   ~ limitations under the License.
   -->
 
-<RelativeLayout
+<android.support.design.widget.CoordinatorLayout
+        android:id="@+id/coordinator"
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:fab="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
@@ -25,7 +27,8 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             fab:fabs_menu_overlayColor="#4d000000"
-            fab:fabs_menu_clickableOverlay="true">
+            fab:fabs_menu_clickableOverlay="true"
+            tools:layout_behavior="@string/fabs_menu_layout_behavior">
 
         <!-- FABs Menu is the main view. It will contain all the items FABs and it create the menu fab itself -->
         <jahirfiquitiva.libs.fabsmenu.FABsMenu
@@ -92,4 +95,10 @@
 
     </jahirfiquitiva.libs.fabsmenu.FABsMenuLayout>
 
-</RelativeLayout>
+    <Button
+            android:id="@+id/snack_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Show snackbar"/>
+
+</android.support.design.widget.CoordinatorLayout>
diff --git a/library/build.gradle b/library/build.gradle
@@ -39,7 +39,7 @@ android {
     buildTypes {
         release {
             minifyEnabled false
-            shrinkResources true
+            shrinkResources false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }

diff --git a/library/src/main/java/jahirfiquitiva/libs/fabsmenu/DimensionUtils.java b/library/src/main/java/jahirfiquitiva/libs/fabsmenu/DimensionUtils.java
@@ -24,22 +24,26 @@ public class DimensionUtils {
     /**
      * This method converts dp unit to equivalent pixels, depending on device density.
      *
-     * @param dp      A value in dp (density independent pixels) unit. Which we need to convert into
-     *                pixels
-     * @param context Context to get resources and device specific display metrics
+     * @param dp
+     *         A value in dp (density independent pixels) unit. Which we need to convert into
+     *         pixels
+     * @param context
+     *         Context to get resources and device specific display metrics
      * @return A float value to represent px equivalent to dp depending on device density
      */
     public static float convertDpToPixel(float dp, Context context) {
         Resources resources = context.getResources();
         DisplayMetrics metrics = resources.getDisplayMetrics();
         return dp * ((float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT);
     }
-
+    
     /**
      * This method converts device specific pixels to density independent pixels.
      *
-     * @param px      A value in px (pixels) unit. Which we need to convert into db
-     * @param context Context to get resources and device specific display metrics
+     * @param px
+     *         A value in px (pixels) unit. Which we need to convert into db
+     * @param context
+     *         Context to get resources and device specific display metrics
      * @return A float value to represent dp equivalent to px value
      */
     public static float convertPixelsToDp(float px, Context context) {

diff --git a/library/src/main/java/jahirfiquitiva/libs/fabsmenu/FABSnackbarBehavior.java b/library/src/main/java/jahirfiquitiva/libs/fabsmenu/FABSnackbarBehavior.java
@@ -26,19 +26,37 @@
 
 import java.util.List;
 
+/**
+ * Credits to: https://goo.gl/ZWHwaw
+ * <p>
+ * Layout behavior that can be applied to either {@link TitleFAB} or {@link
+ * FABsMenu} to make components automatically animate to stay above {@code Snackbar}
+ * instances within the same parent {@code CoordinatorLayout}.
+ * <p>
+ * Usage:
+ * <pre>
+ * &lt;android.support.design.widget.CoordinatorLayout ...&gt;
+ *   ...
+ *   &lt;jahirfiquitiva.libs.fabsmenu.FABsMenuLayout
+ *     ...
+ *     app:layout_behavior="jahirfiquitiva.libs.fabsmenu.FABSnackbarBehavior"
+ * /&gt;
+ * &lt;/android.support.design.widget.CoordinatorLayout&gt;
+ * </pre>
+ */
 @SuppressWarnings("unused")
 public class FABSnackbarBehavior extends CoordinatorLayout.Behavior<View> {
-
+    
     private float mTranslationY;
-
+    
     public FABSnackbarBehavior() {
         super();
     }
-
+    
     public FABSnackbarBehavior(Context context, AttributeSet attrs) {
         super(context, attrs);
     }
-
+    
     /**
      * Find the {@code translation Y} value for any child Snackbar components.
      *
@@ -48,29 +66,29 @@ public FABSnackbarBehavior(Context context, AttributeSet attrs) {
     private float getFabTranslationYForSnackbar(CoordinatorLayout parent, View fab) {
         float minOffset = 0.0F;
         final List<View> dependencies = parent.getDependencies(fab);
-
+        
         for (View view : dependencies) {
             if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(fab, view)) {
                 minOffset = Math.min(minOffset, view.getTranslationY() - (float) view.getHeight());
             }
         }
-
+        
         return minOffset;
     }
-
+    
     @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) {
             this.updateFabTranslationForSnackbar(parent, child, dependency);
         }
         return false;
     }
-
+    
     /**
      * Animate FAB on snackbar change.
      */

diff --git a/library/src/main/java/jahirfiquitiva/libs/fabsmenu/FABsMenu.java b/library/src/main/java/jahirfiquitiva/libs/fabsmenu/FABsMenu.java
@@ -38,6 +38,7 @@
 import android.support.annotation.DrawableRes;
 import android.support.annotation.IntDef;
 import android.support.annotation.NonNull;
+import android.support.design.widget.CoordinatorLayout;
 import android.support.v4.content.ContextCompat;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -56,6 +57,7 @@
 import java.lang.annotation.RetentionPolicy;
 
 @SuppressWarnings("unused")
+@CoordinatorLayout.DefaultBehavior(FABSnackbarBehavior.class)
 public class FABsMenu extends ViewGroup {
     public static final int EXPAND_UP = 0;
     public static final int EXPAND_DOWN = 1;
@@ -756,6 +758,14 @@ public Drawable getMenuButtonIcon() {
         return menuButtonIcon;
     }
 
+    public void setMenuButtonIcon(@DrawableRes int resId) {
+        try {
+            setMenuButtonIcon(ContextCompat.getDrawable(getContext(), resId));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     public void setMenuButtonIcon(@NonNull Drawable menuButtonIcon) {
         this.menuButtonIcon = menuButtonIcon;
         createRotatingDrawable();
@@ -835,14 +845,6 @@ public void setMenuButtonIcon(@NonNull Uri uri) {
         }
     }
 
-    public void setMenuButtonIcon(@DrawableRes int resId) {
-        try {
-            setMenuButtonIcon(ContextCompat.getDrawable(getContext(), resId));
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
-
     public void setLabelsVerticalOffset(int labelsVerticalOffset) {
         this.labelsVerticalOffset = labelsVerticalOffset;
     }

diff --git a/library/src/main/java/jahirfiquitiva/libs/fabsmenu/FABsMenuLayout.java b/library/src/main/java/jahirfiquitiva/libs/fabsmenu/FABsMenuLayout.java
@@ -23,43 +23,46 @@
 import android.support.annotation.ColorInt;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.design.widget.CoordinatorLayout;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
+@CoordinatorLayout.DefaultBehavior(FABSnackbarBehavior.class)
 public class FABsMenuLayout extends FrameLayout {
-
+    
     @ColorInt
     private int overlayColor;
     private View overlayView;
     private boolean clickableOverlay;
-
+    
     public FABsMenuLayout(@NonNull Context context) {
         super(context);
     }
-
+    
     public FABsMenuLayout(@NonNull Context context, @Nullable AttributeSet attrs) {
         super(context, attrs);
         init(context, attrs);
     }
-
+    
     public FABsMenuLayout(@NonNull Context context, @Nullable AttributeSet attrs, @AttrRes int
             defStyleAttr) {
         super(context, attrs, defStyleAttr);
         init(context, attrs);
     }
-
+    
     private void init(Context context, AttributeSet attrs) {
         try {
             TypedArray a = context.getTheme().obtainStyledAttributes(attrs,
-                    R.styleable.FABsMenuLayout, 0, 0);
+                                                                     R.styleable.FABsMenuLayout, 0,
+                                                                     0);
             overlayColor = a.getColor(R.styleable.FABsMenuLayout_fabs_menu_overlayColor,
-                    Color.parseColor("#4d000000"));
+                                      Color.parseColor("#4d000000"));
             clickableOverlay = a.getBoolean(R.styleable.FABsMenuLayout_fabs_menu_clickableOverlay,
-                    true);
+                                            true);
             a.recycle();
-
+            
             overlayView = new View(context);
             overlayView.setLayoutParams(new FrameLayout.LayoutParams(
                     ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
@@ -70,28 +73,28 @@ private void init(Context context, AttributeSet attrs) {
             e.printStackTrace();
         }
     }
-
+    
     @ColorInt
     public int getOverlayColor() {
         return overlayColor;
     }
-
+    
     public void setOverlayColor(@ColorInt int overlayColor) {
         this.overlayColor = overlayColor;
     }
-
+    
     public View getOverlayView() {
         return overlayView;
     }
-
+    
     public void setOverlayView(View overlayView) {
         this.overlayView = overlayView;
     }
-
+    
     public boolean hasClickableOverlay() {
         return clickableOverlay;
     }
-
+    
     public void setClickableOverlay(boolean clickableOverlay) {
         this.clickableOverlay = clickableOverlay;
     }