added delete Entity button

app/src/main/java/team/uptech/motionviews/ui/MainActivity.java

@@ -116,6 +116,19 @@ public void onClick(View view) {
                 startTextEntityEditing();
             }
         });
+        findViewById(R.id.text_entity_delete).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                deleteTextEntity();
+            }
+        });
+    }
+
+    private void deleteTextEntity() {
+        TextEntity textEntity = currentTextEntity();
+        if (textEntity != null) {
+            motionView.deleteEntity(textEntity);
+        }
     }
 
     private void increaseTextEntitySize() {

app/src/main/java/team/uptech/motionviews/widget/MotionView.java

@@ -123,6 +123,13 @@ public void addEntity(@Nullable MotionEntity entity) {
         }
     }
 
+    public void deleteEntity(@Nullable MotionEntity entity) {
+        if (entity != null) {
+            entities.remove(entity);
+            selectEntity(null, true);
+        }
+    }
+
     public void addEntityAndPosition(@Nullable MotionEntity entity) {
         if (entity != null) {
             initEntityBorder(entity);

app/src/main/res/drawable-anydpi/ic_mode_delete.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path android:pathData="M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM19 4h-3.5l-1-1h-5l-1 1H5v2h14V4z" android:fillColor="#FF000000"/>
+    <path android:pathData="M0 0h24v24H0z"/>
+</vector>
+

app/src/main/res/layout/activity_main.xml

@@ -59,6 +59,14 @@
             android:src="@drawable/ic_mode_edit"
             />
 
+        <ImageButton
+            android:id="@+id/text_entity_delete"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:src="@drawable/ic_mode_delete"
+            />
+
     </LinearLayout>
 
 </RelativeLayout>