some fixes to make NewPipe not crash when layouting

src/api-impl/android/view/GestureDetector.java

@@ -0,0 +1,14 @@
+package android.view;
+
+public class GestureDetector {
+
+	public interface OnGestureListener {
+	}
+
+	public interface OnDoubleTapListener {
+	}
+	
+	public static class SimpleOnGestureListener implements OnGestureListener {
+
+	}
+}

src/api-impl/android/view/View.java

@@ -1201,4 +1201,31 @@ public class View extends Object {
 
 	protected boolean awakenScrollBars() {return false;}
 	public Matrix getMatrix() {return new Matrix();}
+
+	protected static final int[] EMPTY_STATE_SET = new int[0];
+
+	/**
+	 * Utility to return a default size. Uses the supplied size if the
+	 * MeasureSpec imposed no constraints. Will get larger if allowed
+	 * by the MeasureSpec.
+	 *
+	 * @param size Default size for this view
+	 * @param measureSpec Constraints imposed by the parent
+	 * @return The size this view should be.
+	 */
+	public static int getDefaultSize(int size, int measureSpec) {
+		int result = size;
+		int specMode = MeasureSpec.getMode(measureSpec);
+		int specSize = MeasureSpec.getSize(measureSpec);
+		switch (specMode) {
+		case MeasureSpec.UNSPECIFIED:
+			result = size;
+			break;
+		case MeasureSpec.AT_MOST:
+		case MeasureSpec.EXACTLY:
+			result = specSize;
+			break;
+		}
+		return result;
+	}
 }

src/api-impl/android/view/ViewConfiguration.java

@@ -35,4 +35,12 @@ public class ViewConfiguration {
 	public boolean hasPermanentMenuKey() {
 		return false;
 	}
+
+	public static int getDoubleTapTimeout() {
+		return 0;
+	}
+
+	public int getScaledDoubleTapSlop() {
+		return 0;
+	}
 }

src/api-impl/android/view/ViewGroup.java

@@ -56,7 +56,7 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
 		addView(child, new LayoutParams(width, height));
 	}
 
-	public void addView(View child, int index, LayoutParams params) {
+	private void addViewInternal(View child, int index, LayoutParams params) {
 		if (child.parent == this)
 			return;
 		if (params != null) {
@@ -67,6 +67,15 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
 		native_addView(widget, child.widget, index, params);
 	}
 
+	public void addView(View child, int index, LayoutParams params) {
+		addViewInternal(child, index, params);
+	}
+
+	protected boolean addViewInLayout(View child, int index, LayoutParams params) {
+		addViewInternal(child, index, params);
+		return true;
+	}
+
 	public void removeView(View child) {
 		if (child.parent != this)
 			return;

src/api-impl/android/view/ViewPropertyAnimator.java

@@ -1,5 +1,6 @@
 package android.view;
 
+import android.animation.Animator;
 import android.animation.TimeInterpolator;
 
 public class ViewPropertyAnimator {
@@ -9,4 +10,22 @@ public class ViewPropertyAnimator {
 	public ViewPropertyAnimator setInterpolator(TimeInterpolator interpolator) {
 		return this;
 	}
+
+	public ViewPropertyAnimator setListener(Animator.AnimatorListener listener) {
+		return this;
+	}
+
+	public ViewPropertyAnimator alpha(float alpha) {
+		return this;
+	}
+
+	public ViewPropertyAnimator setDuration(long duration) {
+		return this;
+	}
+
+	public ViewPropertyAnimator setStartDelay(long duration) {
+		return this;
+	}
+
+	public void start() {}
 }