api-impl: add some methods to make the WhatsApp video player functional

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

@@ -5,6 +5,8 @@ import android.util.AttributeSet;
 
 public class TextureView extends View {
 
+	private SurfaceTextureListener surfaceTextureListener;
+
 	public TextureView(Context context) {
 		super(context);
 	}
@@ -15,8 +17,18 @@ public class TextureView extends View {
 
 	public interface SurfaceTextureListener {}
 
-	public void setSurfaceTextureListener(SurfaceTextureListener surfaceTextureListener) {}
+	public void setSurfaceTextureListener(SurfaceTextureListener surfaceTextureListener) {
+		this.surfaceTextureListener = surfaceTextureListener;
+	}
 
 	public void setOpaque(boolean opaque) {}
 
+	public SurfaceTextureListener getSurfaceTextureListener() {
+		return surfaceTextureListener;
+	}
+
+	public boolean isAvailable() {
+		return false;
+	}
+
 }

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

@@ -4,8 +4,10 @@ import android.R;
 import android.animation.StateListAnimator;
 import android.content.Context;
 import android.content.res.ColorStateList;
+import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
+import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.GskCanvas;
 import android.graphics.Matrix;
@@ -1765,6 +1767,8 @@ public class View implements Drawable.Callback {
 	protected void onAnimationEnd() {}
 
 	public void startAnimation(Animation animation) {
+		if (animation == null)
+			return;
 		onAnimationStart();
 		animation.start();
 		onAnimationEnd();
@@ -2211,4 +2215,16 @@ public class View implements Drawable.Callback {
 	public void setNextFocusDownId(int id) {}
 
 	public void setNextFocusUpId(int id) {}
+
+	public void setHasTransientState(boolean hasTransientState) {}
+
+	protected void onConfigurationChanged(Configuration newConfig) {}
+
+	public boolean isDrawingCacheEnabled() { return false; }
+
+	public void setDrawingCacheEnabled(boolean enabled) {}
+
+	public void buildDrawingCache(boolean autoScale) {}
+
+	public Bitmap getDrawingCache() { return null; }
 }

src/api-impl/android/view/accessibility/CaptioningManager.java

@@ -1,4 +1,12 @@
 package android.view.accessibility;
 
 public class CaptioningManager {
+
+	public boolean isEnabled() {
+		return false;
+	}
+
+	public float getFontScale() {
+		return 1.0f;
+	}
 }