Drop unused code

app/src/main/java/com/hippo/drawable/TriangleDrawable.java

@@ -1,72 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.hippo.drawable;
-
-import android.graphics.Canvas;
-import android.graphics.ColorFilter;
-import android.graphics.Paint;
-import android.graphics.Path;
-import android.graphics.PixelFormat;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-
-public class TriangleDrawable extends Drawable {
-
-    private final Paint mPaint;
-    private final Path mPath;
-
-    public TriangleDrawable(int color) {
-        mPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG);
-        mPaint.setColor(color);
-        mPath = new Path();
-    }
-
-    public void setColor(int color) {
-        mPaint.setColor(color);
-        invalidateSelf();
-    }
-
-    @Override
-    protected void onBoundsChange(Rect bounds) {
-        super.onBoundsChange(bounds);
-        mPath.reset();
-        mPath.moveTo(bounds.left, bounds.top);
-        mPath.lineTo(bounds.right, bounds.top);
-        mPath.lineTo(bounds.right, bounds.bottom);
-        mPath.close();
-    }
-
-    @Override
-    public void draw(Canvas canvas) {
-        canvas.drawPath(mPath, mPaint);
-    }
-
-    @Override
-    public void setAlpha(int alpha) {
-        mPaint.setAlpha(alpha);
-    }
-
-    @Override
-    public void setColorFilter(ColorFilter colorFilter) {
-        mPaint.setColorFilter(colorFilter);
-    }
-
-    @Override
-    public int getOpacity() {
-        return PixelFormat.OPAQUE;
-    }
-}