谁知道墨迹天气里面的“气温走势图”用的是什么API，知道的说一下，急需这样漂亮的走势图

[fight_to_win_1980]

上图为墨迹天气效果图，这种效果怎么做啊
懂得说一下

[fight_to_win_1980]

没有人知道么？？ 知道的说说吧 ，怎么实现的

[fight_to_win_1980]

就这么的沉了啊

[fight_to_win_1980]

大家救救这个帖子吧

[wlcw16]

这应该是他自己定义的控件把。 重写了onDraw方法 构造方法是两个list为参数（高低温数据） 大概就是这种思路，通过数据画出整个view

[wlcw16]

MainActivity

package com.example.zdemo;

import java.util.ArrayList;
import java.util.List;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;

public class MainActivity extends Activity {

    private RelativeLayout rl ;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        List<Integer> high = new ArrayList<Integer>();
        high.add(40);
        high.add(35);
        high.add(50);
        high.add(45);
        List<Integer> low = new ArrayList<Integer>();
        low.add(-10);
        low.add(5);
        low.add(0);
        low.add(-20);
        MyChartView chart = new MyChartView(MainActivity.this , high , low);
        rl = (RelativeLayout)findViewById(R.id.rl);
        LayoutParams lp = new RelativeLayout.LayoutParams(400,200);
        chart.setLayoutParams(lp);
        rl.addView(chart);
        
        
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
}

MyChartView

package com.example.zdemo;

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;

public class MyChartView extends View {

    private List< Integer> highTemprature = new ArrayList<Integer>();

    private List< Integer> lowTemprature = new ArrayList<Integer>();

    private boolean isDataEnough = false;
    
    public MyChartView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        
    }

    public MyChartView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public MyChartView(Context context) {
        this(context, null);
    }

    public MyChartView(Context context, List<Integer> a,
            List< Integer> b) {
        this(context);
        highTemprature = a;
        lowTemprature = b;
        init();
    }

    private void init() {
        if(highTemprature.size() < 4 || lowTemprature.size() < 4){
            isDataEnough = false;
        }
        else{
            isDataEnough = true;
            if (highTemprature.size() > 4) {
                highTemprature = highTemprature.subList(0, 4);
            }
            if (lowTemprature.size() > 4) {
                lowTemprature = lowTemprature.subList(0, 4);
            }
        }
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        Paint paintGRAY = new Paint();
        Paint paintWHITE = new Paint();
        Paint paintBLUE = new Paint();
        Paint paintRED = new Paint();
        paintGRAY.setColor(Color.GRAY);
        paintWHITE.setColor(Color.WHITE);
        paintBLUE.setColor(Color.BLUE);
        paintRED.setColor(Color.RED);
        canvas.drawRect(new Rect(0, 0, getWidth(), getHeight()), paintGRAY);
        if(isDataEnough){
            float singleWidth = getWidth()/4;
            float lastX = 0;
            float lastY = 0;
            float curX = 0;
            float curY = 0;
            //画高温线
            for(int i = 0 ; i < 4 ; i++){
                //画点
                canvas.drawCircle(singleWidth/2+i*singleWidth, getHeight()/2-highTemprature.get(i), 5, paintWHITE);
                if(i == 0){
                    lastX = singleWidth/2+i*singleWidth;
                    lastY = getHeight()/2-highTemprature.get(i);
                }
                //画线
                else{
                    curX = singleWidth/2+i*singleWidth;
                    curY = getHeight()/2-highTemprature.get(i);
                    canvas.drawLine(lastX, lastY, curX, curY, paintRED);
                    lastX = curX;
                    lastY = curY;
                }
            }
            //低温线
            for(int i = 0 ; i < 4 ; i++){
                //画点
                canvas.drawCircle(singleWidth/2+i*singleWidth, getHeight()/2-lowTemprature.get(i), 5, paintWHITE);
                if(i == 0){
                    lastX = singleWidth/2+i*singleWidth;
                    lastY = getHeight()/2-lowTemprature.get(i);
                }
                //画线
                else{
                    curX = singleWidth/2+i*singleWidth;
                    curY = getHeight()/2-lowTemprature.get(i);
                    canvas.drawLine(lastX, lastY, curX, curY, paintBLUE);
                    lastX = curX;
                    lastY = curY;
                }
            }
        }
    }
}

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/rl"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

</RelativeLayout>

给分吧。

[DrSmart]

描点画图，不难的楼主，上面回复的不错