自定义View(环形下载，球形下载)

来源：互联网发布：ajax接收不到json数据编辑：程序博客网时间：2024/06/06 04:22

效果图：

这里写图片描述

代码：

这里的layout就不写了，注意view要写全称，包名类名都要写

环形下载：

MyArc

package com.example.administrator.mywidgetmode.Progress;import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.RectF;import android.util.AttributeSet;import android.util.Log;import android.view.View;import java.text.SimpleDateFormat;import java.util.Date;import android.annotation.SuppressLint;import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Paint.Align;import android.graphics.Paint.Style;import android.graphics.Rect;import android.graphics.RectF;import android.util.AttributeSet;import android.view.View;/** * Created by Administrator on 2015/9/16. */public class MyArc extends View {    private int width;    private int height;    private int currentProgress;    private Paint mPaintBackGround;    private Paint mPaintCurrent;    private Paint mPaintText;    private int maxProgress=100;    //得到进度的最大值    public int getMaxProgress() {        return maxProgress;    }    //设置进度的最大值    public void setMaxProgress(int maxProgress) {        this.maxProgress = maxProgress;    }    //得到当前的进度值    public int getCurrentProgress(){        return currentProgress;    }    //设置当前的进度值    public void setCurrentProgress(int currentProgress){        this.currentProgress=currentProgress;        invalidate();//刷新    }    public MyArc(Context context) {        super(context);    }    public MyArc(Context context, AttributeSet attrs) {        super(context, attrs);        mPaintBackGround=new Paint();        mPaintBackGround.setColor(Color.CYAN);        mPaintBackGround.setAntiAlias(true);//消除锯齿        mPaintCurrent=new Paint();        mPaintCurrent.setColor(Color.GREEN);        mPaintCurrent.setAntiAlias(true);        mPaintCurrent.setStyle(Paint.Style.STROKE);        mPaintCurrent.setStrokeWidth(20);        mPaintText=new Paint();        mPaintText.setColor(Color.BLACK);        mPaintText.setTextSize(40);        mPaintText.setTextAlign(Paint.Align.CENTER);    }    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        super.onMeasure(widthMeasureSpec, heightMeasureSpec);        width=getDefaultSize(getSuggestedMinimumWidth(),widthMeasureSpec);        height=getDefaultSize(getSuggestedMinimumHeight(),heightMeasureSpec);        setMeasuredDimension(width,height);//设置画布的大小，长和宽    }    @Override    protected void onDraw(Canvas canvas) {        super.onDraw(canvas);        canvas.drawColor(Color.GRAY);//设置画布颜色        RectF oval=new RectF(); //RectF对象        oval.left=width/4; //左边        oval.top=width/4; //上边        oval.right=width/4*3; //右边        oval.bottom=width/4*3; //下边        canvas.drawArc(oval,225, 360*currentProgress/maxProgress,false,mPaintCurrent);        canvas.drawText(currentProgress+"%",width/2,width/2,mPaintText);    }}

MyArcActivity

package com.example.administrator.mywidgetmode.Progress;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Button;import com.example.administrator.mywidgetmode.R;/** * Created by Administrator on 2015/9/16. */public class MyArcActivity extends AppCompatActivity{    private MyArc myArc;    private static final int PROGRESS=0x23;    private Button mBtStart;    private int progress;    private Handler handler=new Handler(){        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);            switch (msg.what){                case PROGRESS:                    progress++;                    if(progress<=100){                        myArc.setCurrentProgress(progress);                        handler.sendEmptyMessageDelayed(PROGRESS,200);                    }                    break;            }        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_arc);        myArc= (MyArc) findViewById(R.id.arc);        mBtStart= (Button) findViewById(R.id.button_arc_download);        mBtStart.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                handler.sendEmptyMessageDelayed(PROGRESS, 1000);            }        });    }}

球形下载:

MyPathViewTwo

package com.example.administrator.mywidgetmode.PathView;import android.content.Context;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Path;import android.graphics.PorterDuff;import android.graphics.PorterDuffXfermode;import android.os.Handler;import android.os.Message;import android.util.AttributeSet;import android.view.View;/** * Created by Administrator on 2015/9/18. */public class MyPathViewTwo extends View {    private int width;    private int height;    private Paint mPaintText;    private Paint mPaint;    private Paint mPaintPoint;    private Path path;    private int currentProgress;    private int maxProgress = 100;    private int count=0;    private boolean isAdd=false;    private int size;    public static final int NEED_INVALIDATE=0X23;    private Handler handler=new Handler(){        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);            switch (msg.what){                case NEED_INVALIDATE:                    count+=5;                    if(count>80){                        count=0;                    }                    invalidate();//告诉主线程重新绘制                    handler.sendEmptyMessageDelayed(NEED_INVALIDATE,100);                    break;            }        }    };    public int getCurrentProgress() {        return currentProgress;    }    public void setCurrentProgress(int currentProgress) {        this.currentProgress = currentProgress;    }    public MyPathViewTwo(Context context) {        super(context);    }    public MyPathViewTwo(Context context, AttributeSet attrs) {        super(context, attrs);        path = new Path();//路径        //文字画笔        mPaintText = new Paint();        mPaintText.setAntiAlias(true);//消除锯齿        mPaintText.setColor(Color.BLACK);        mPaintText.setTextSize(50);        mPaintText.setTextAlign(Paint.Align.CENTER);        mPaint=new Paint();        mPaint.setColor(Color.RED);//下半部分        mPaint.setStyle(Paint.Style.FILL);        mPaint.setTextSize(50);        mPaint.setAntiAlias(true);        mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_ATOP));        mPaintPoint=new Paint();        mPaintPoint.setColor(Color.argb(0xFF,0xF8,0xA6,0xA6));//上半部分        mPaintPoint.setStrokeWidth(10);        mPaintPoint.setStyle(Paint.Style.FILL);        handler.sendEmptyMessage(NEED_INVALIDATE);    }   private Bitmap mBitmapBubble;    private Canvas mCanvasBit;    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        super.onMeasure(widthMeasureSpec, heightMeasureSpec);        width = getDefaultSize(getSuggestedMinimumWidth(), widthMeasureSpec);        height = getDefaultSize(getSuggestedMinimumHeight(), heightMeasureSpec);        setMeasuredDimension(width, height);//设置画布的大小，长和宽        mBitmapBubble=Bitmap.createBitmap(width,height,Bitmap.Config.ARGB_8888);        mCanvasBit=new Canvas(mBitmapBubble);    }    @Override    protected void onDraw(Canvas canvas) {        super.onDraw(canvas);        mCanvasBit.drawCircle(300,300,150,mPaintPoint);//圆        path.reset();//刷新        path.moveTo(500,450-currentProgress*3);        path.lineTo(500,500);        path.lineTo(count,500);        path.lineTo(count,450-currentProgress*3);        for(int i=0;i<10;i++){            path.rQuadTo(20,7,40,0);            path.rQuadTo(20,-7,40,0);        }        path.close();        mCanvasBit.drawPath(path, mPaint);        canvas.drawBitmap(mBitmapBubble, 0, 0, null);        canvas.drawText(currentProgress + "%", 300, 300, mPaintText);    }}

MyPathViewTwoActivity

package com.example.administrator.mywidgetmode.PathView;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Button;import com.example.administrator.mywidgetmode.Progress.MyRectangle;import com.example.administrator.mywidgetmode.R;/** * Created by Administrator on 2015/9/18. */public class MyPathViewTwoActivity extends AppCompatActivity {    private MyPathViewTwo myPathViewTwo;    private static final int PROGRESS=0x23;    private Button mBtStart;    private int progress;    private Handler handler=new Handler(){        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);            switch (msg.what){                case PROGRESS:                    progress++;                    if(progress<=100){                        myPathViewTwo.setCurrentProgress(progress);                        handler.sendEmptyMessageDelayed(PROGRESS,200);                    }                    break;            }        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_pathview_two);        myPathViewTwo= (MyPathViewTwo) findViewById(R.id.myPathViewTwo);        mBtStart= (Button) findViewById(R.id.button_myPathViewTwo);        mBtStart.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                handler.sendEmptyMessageDelayed(PROGRESS,1000);            }        });    }}

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