Add parralax percent layouts

material-intro-screen/build.gradle

@@ -55,6 +55,7 @@ android {
         })
         compile "com.android.support:appcompat-v7:${project.androidSupport}"
         compile "com.android.support:design:${project.androidSupport}"
+        compile "com.android.support:percent:${project.androidSupport}"
     }
 
     publish {

material-intro-screen/src/main/java/agency/tango/materialintroscreen/parallax/ParallaxPercentFrameLayout.java

@@ -0,0 +1,87 @@
+package agency.tango.materialintroscreen.parallax;
+
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.support.annotation.FloatRange;
+import android.support.percent.PercentFrameLayout;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+
+import agency.tango.materialintroscreen.R;
+
+public class ParallaxPercentFrameLayout extends PercentFrameLayout implements Parallaxable {
+
+    public ParallaxPercentFrameLayout(Context context) {
+        super(context);
+    }
+
+    public ParallaxPercentFrameLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public ParallaxPercentFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @Override
+    protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
+        return p instanceof LayoutParams;
+    }
+
+    @Override
+    protected LayoutParams generateDefaultLayoutParams() {
+        return new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+    }
+
+    @Override
+    public LayoutParams generateLayoutParams(AttributeSet attrs) {
+        return new LayoutParams(getContext(), attrs);
+    }
+
+    @Override
+    protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
+        return new LayoutParams(p);
+    }
+
+    @Override
+    public void setOffset(@FloatRange(from = -1.0, to = 1.0) float offset) {
+        for (int i = getChildCount() - 1; i >= 0; i--) {
+            View child = getChildAt(i);
+            LayoutParams p = (LayoutParams) child.getLayoutParams();
+            if (p.parallaxFactor == 0)
+                continue;
+            child.setTranslationX(getWidth() * -offset * p.parallaxFactor);
+        }
+    }
+
+    public static class LayoutParams extends PercentFrameLayout.LayoutParams {
+        float parallaxFactor = 0f;
+
+        LayoutParams(Context context, AttributeSet attributeSet) {
+            super(context, attributeSet);
+            TypedArray typedArray = context.obtainStyledAttributes(attributeSet, R.styleable.mis_ParallaxLayout_Layout);
+            parallaxFactor = typedArray.getFloat(R.styleable.mis_ParallaxLayout_Layout_mis_layout_parallaxFactor, parallaxFactor);
+            typedArray.recycle();
+        }
+
+        LayoutParams(int width, int height) {
+            super(width, height);
+        }
+
+        @SuppressWarnings("unused")
+        LayoutParams(int width, int height, int gravity) {
+            super(width, height, gravity);
+        }
+
+        LayoutParams(ViewGroup.LayoutParams source) {
+            super(source);
+        }
+
+        @SuppressWarnings("unused")
+        LayoutParams(MarginLayoutParams source) {
+            super(source);
+        }
+    }
+}

material-intro-screen/src/main/java/agency/tango/materialintroscreen/parallax/ParallaxPercentRelativeLayout.java

@@ -0,0 +1,82 @@
+package agency.tango.materialintroscreen.parallax;
+
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.support.annotation.FloatRange;
+import android.support.percent.PercentRelativeLayout;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+
+import agency.tango.materialintroscreen.R;
+
+public class ParallaxPercentRelativeLayout extends PercentRelativeLayout implements Parallaxable {
+
+    public ParallaxPercentRelativeLayout(Context context) {
+        super(context);
+    }
+
+    public ParallaxPercentRelativeLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public ParallaxPercentRelativeLayout(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
+        return p instanceof LayoutParams;
+    }
+
+    @Override
+    protected LayoutParams generateDefaultLayoutParams() {
+        return new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+    }
+
+    @Override
+    public LayoutParams generateLayoutParams(AttributeSet attrs) {
+        return new LayoutParams(getContext(), attrs);
+    }
+
+    @Override
+    protected PercentRelativeLayout.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
+        return new LayoutParams(p);
+    }
+
+    @Override
+    public void setOffset(@FloatRange(from = -1.0, to = 1.0) float offset) {
+        for (int i = getChildCount() - 1; i >= 0; i--) {
+            View child = getChildAt(i);
+            LayoutParams p = (LayoutParams) child.getLayoutParams();
+            if (p.parallaxFactor == 0)
+                continue;
+            child.setTranslationX(getWidth() * -offset * p.parallaxFactor);
+        }
+    }
+
+    public static class LayoutParams extends PercentRelativeLayout.LayoutParams {
+        float parallaxFactor = 0f;
+
+        LayoutParams(Context context, AttributeSet attributeSet) {
+            super(context, attributeSet);
+            TypedArray typedArray = context.obtainStyledAttributes(attributeSet, R.styleable.mis_ParallaxLayout_Layout);
+            parallaxFactor = typedArray.getFloat(R.styleable.mis_ParallaxLayout_Layout_mis_layout_parallaxFactor, parallaxFactor);
+            typedArray.recycle();
+        }
+
+        LayoutParams(int width, int height) {
+            super(width, height);
+        }
+
+        LayoutParams(ViewGroup.LayoutParams source) {
+            super(source);
+        }
+
+        @SuppressWarnings("unused")
+        LayoutParams(MarginLayoutParams source) {
+            super(source);
+        }
+    }
+}

versions.gradle

@@ -1 +1 @@
-ext.androidSupport = "25.0.1"
+ext.androidSupport = "25.1.1"