diff --git a/app/src/main/java/org/nuclearfog/twidda/backend/utils/LinkAndScrollMovement.java b/app/src/main/java/org/nuclearfog/twidda/backend/utils/LinkAndScrollMovement.java
index 31157b140..deefb6829 100644
--- a/app/src/main/java/org/nuclearfog/twidda/backend/utils/LinkAndScrollMovement.java
+++ b/app/src/main/java/org/nuclearfog/twidda/backend/utils/LinkAndScrollMovement.java
@@ -9,6 +9,8 @@
 import android.widget.TextView;
 
 /**
+ * {@link ScrollingMovementMethod} implementation fixing TextView scrolling issues
+ *
  * @author nuclearfog
  */
 public class LinkAndScrollMovement extends ScrollingMovementMethod {
@@ -29,6 +31,7 @@ public class LinkAndScrollMovement extends ScrollingMovementMethod {
 	private int yScroll = 0;
 
 	/**
+	 *
 	 */
 	private LinkAndScrollMovement() {
 		super();
@@ -36,7 +39,7 @@ private LinkAndScrollMovement() {
 
 	@Override
 	public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
-		switch(event.getAction()) {
+		switch (event.getAction()) {
 			case MotionEvent.ACTION_DOWN:
 				lockParentScrolling(widget, true);
 				xScroll = widget.getScrollX();
@@ -68,27 +71,27 @@ public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event
 		return super.onTouchEvent(widget, buffer, event);
 	}
 
+	/**
+	 * Get singleton instance of the movement method
+	 *
+	 * @return LinkAndScrollingMovementMethod object
+	 */
+	public static LinkAndScrollMovement getInstance() {
+		return instance;
+	}
+
 	/**
 	 * lock parent view scrolling
 	 *
 	 * @param widget interacting TextView
-	 * @param lock true if parent views scrolling should be locked
+	 * @param lock   true if parent views scrolling should be locked
 	 */
 	private void lockParentScrolling(TextView widget, boolean lock) {
 		ViewParent parent = widget.getParent();
 		int lineCount = widget.getLineCount();
 		int maxLines = widget.getMaxLines();
-		if ( parent != null && maxLines > 0 && lineCount > maxLines ) {
+		if (parent != null && maxLines > 0 && lineCount > maxLines) {
 			parent.requestDisallowInterceptTouchEvent(lock);
 		}
 	}
-
-	/**
-	 * Get singleton instance of the movement method
-	 *
-	 * @return LinkAndScrollingMovementMethod object
-	 */
-	public static LinkAndScrollMovement getInstance() {
-		return instance;
-	}
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/views/ZoomView.java b/app/src/main/java/org/nuclearfog/twidda/ui/views/ZoomView.java
index 33dfaef37..d4412bd89 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/views/ZoomView.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/views/ZoomView.java
@@ -12,8 +12,6 @@
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.AppCompatImageView;
 
-import static android.view.MotionEvent.*;
-
 import org.nuclearfog.twidda.R;
 
 /**
@@ -76,18 +74,17 @@ public boolean onTouchEvent(MotionEvent event) {
 		if (getScaleType() != ScaleType.MATRIX)
 			setScaleType(ScaleType.MATRIX);
 		if (event.getPointerCount() == 1) {
-
-			switch (event.getAction()) {
-				case ACTION_UP:
+			switch (event.getActionMasked()) {
+				case MotionEvent.ACTION_UP:
 					pos.set(event.getX(), event.getY());
 					moveLock = false;
 					break;
 
-				case ACTION_DOWN:
+				case MotionEvent.ACTION_DOWN:
 					pos.set(event.getX(), event.getY());
 					break;
 
-				case ACTION_MOVE:
+				case MotionEvent.ACTION_MOVE:
 					if (moveLock || !enableMove)
 						return super.performClick();
 					float posX = event.getX() - pos.x;
@@ -101,15 +98,15 @@ public boolean onTouchEvent(MotionEvent event) {
 		} else if (event.getPointerCount() == 2) {
 			float distX, distY, scale;
 			switch (event.getActionMasked()) {
-				case ACTION_POINTER_UP:
-				case ACTION_POINTER_DOWN:
+				case MotionEvent.ACTION_POINTER_UP:
+				case MotionEvent.ACTION_POINTER_DOWN:
 					distX = event.getX(0) - event.getX(1);
 					distY = event.getY(0) - event.getY(1);
 					dist.set(distX, distY);                     // Distance vector
 					moveLock = true;
 					break;
 
-				case ACTION_MOVE:
+				case MotionEvent.ACTION_MOVE:
 					distX = event.getX(0) - event.getX(1);
 					distY = event.getY(0) - event.getY(1);
 					PointF current = new PointF(distX, distY);
@@ -167,7 +164,8 @@ public void setMaxZoomOut(float max_zoom_out) {
 	 */
 	private void apply(Matrix m) {
 		Drawable d = getDrawable();
-		if (d == null) return;
+		if (d == null)
+			return;
 
 		float[] val = new float[9];
 		m.getValues(val);