Java tutorial
//package com.java2s; /* * Copyright (c) 2016 GcsSloop * * 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. * * GitHub : https://github.com/GcsSloop * Weibo : http://weibo,com/GcsSloop * Blog : http://www.gcssloop.com * * Last modify $2016-09-03 23:07:52 */ import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Point; import android.graphics.PointF; public class Main { /** * Draw a straight line through the points. */ public static void drawLine(Point p1, Point p2, Canvas canvas, Paint paint) { canvas.save(); canvas.drawLine(p1.x, p1.y, p2.x, p2.y, paint); canvas.restore(); } /** * Draw a straight line through the points */ public void drawLine(PointF p1, PointF p2, Canvas canvas, Paint paint) { canvas.save(); canvas.drawLine(p1.x, p1.y, p2.x, p2.y, paint); canvas.restore(); } }