Create magic button actions animations

bloderxd · bloderxd · commit 062a336db2b4 · 2016-07-28T00:37:40.000-03:00
diff --git a/magic/src/main/java/br/com/bloder/magic/internal/Back.java b/magic/src/main/java/br/com/bloder/magic/internal/Back.java
@@ -0,0 +1,28 @@
+package br.com.bloder.magic.internal;
+
+import android.view.View;
+import android.view.animation.Animation;
+import android.view.animation.Transformation;
+
+/**
+ * Created by bloder on 28/07/16.
+ */
+public class Back extends Animation {
+
+  private int toWidth;
+  private int startWidth;
+  private View view;
+
+  public Back(View view) {
+    this.view = view;
+    this.startWidth = this.view.getWidth();
+    this.toWidth = view.getHeight();
+  }
+
+  @Override
+  protected void applyTransformation(float interpolatedTime, Transformation t) {
+    final int newWidth = startWidth + (int) ((toWidth - startWidth) * interpolatedTime);
+    view.getLayoutParams().width = newWidth;
+    view.requestLayout();
+  }
+}
diff --git a/magic/src/main/java/br/com/bloder/magic/internal/Go.java b/magic/src/main/java/br/com/bloder/magic/internal/Go.java
@@ -0,0 +1,28 @@
+package br.com.bloder.magic.internal;
+
+import android.view.View;
+import android.view.animation.Animation;
+import android.view.animation.Transformation;
+
+/**
+ * Created by bloder on 28/07/16.
+ */
+public class Go extends Animation {
+
+  private int toWidth;
+  private int startWidth;
+  private View view;
+
+  public Go(View view) {
+    this.view = view;
+    this.startWidth = this.view.getWidth();
+    this.toWidth = startWidth == view.getHeight() ? startWidth * 4 : view.getHeight();
+  }
+
+  @Override
+  protected void applyTransformation(float interpolatedTime, Transformation t) {
+    final int newWidth = startWidth + (int) ((toWidth - startWidth) * interpolatedTime);
+    view.getLayoutParams().width = newWidth;
+    view.requestLayout();
+  }
+}
