package com.example.customshapedemo;import android.content.Context;import android.content.res.TypedArray;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.PorterDuff;import android.graphics.PorterDuffXfermode;import android.graphics.RectF;import android.graphics.drawable.BitmapDrawable;import android.util.AttributeSet;import android.view.MotionEvent;import android.widget.ImageView;public class StatusImageView extends ImageView {    Paint paint = new Paint();    boolean click_status=false;    int color=Color.BLACK;    int alpha=100;    public StatusImageView(Context context) {        super(context);        // TODO Auto-generated constructor stub    }    public StatusImageView(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        // TODO Auto-generated constructor stub        initParam(context, attrs);    }    public StatusImageView(Context context, AttributeSet attrs) {        super(context, attrs);        // TODO Auto-generated constructor stub        initParam(context, attrs);    }    //    解析参数    void initParam(Context context, AttributeSet attrs) {        TypedArray typedArray = context.obtainStyledAttributes(attrs,                R.styleable.StatusImageView);        color= typedArray.getColor(0, Color.BLACK);        typedArray.recycle();    }    //根据tag来判断绘画点击和未点击的效果    @Override    protected void onDraw(Canvas canvas) {        // TODO Auto-generated method stub        if(click_status){            Bitmap b=((BitmapDrawable)getDrawable()).getBitmap();            //绘制原图            canvas.drawBitmap(b, 0, 0, null);            //去去掉锯齿            paint.setAntiAlias(true);            //设置颜色            paint.setColor(color);            //设置透明度            paint.setAlpha(alpha);            //设置层次的类型            paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DARKEN));            //创建一个同样大小的矩形，然后用画笔遮盖上去            RectF rect = new RectF(0, 0, b.getWidth(), b.getHeight());            canvas.drawRect(rect, paint);        }else{            super.onDraw(canvas);        }    }    //更具点击事件，修改Tag，并且重绘界面    @Override    public boolean onTouchEvent(MotionEvent event) {        // TODO Auto-generated method stub        System.out.println(color);        switch (event.getAction()) {        case MotionEvent.ACTION_DOWN:            click_status=true;            break;        case MotionEvent.ACTION_UP:            click_status=false;            break;        default:            break;        }        invalidate();        return true;    }    }

    <declare-styleable name="StatusImageView">        <attr name="color" format="reference|color" />    </declare-styleable>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    xmlns:customshape="http://schemas.android.com/apk/res/com.example.customshapedemo"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/hello_world" />    <com.example.customshapedemo.CustomImgeView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@+id/textView1"        android:layout_marginLeft="28dp"        android:layout_marginTop="44dp"        android:layout_toRightOf="@+id/textView1"        android:src="@drawable/ddw1"        customshape:radius="15"        customshape:type="round" >    </com.example.customshapedemo.CustomImgeView>    <com.example.customshapedemo.CustomImgeView        android:id="@+id/customImgeView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/textView1"        android:layout_below="@+id/textView1"        android:layout_marginTop="119dp"        android:src="@drawable/ddw1"        customshape:type="circle" />    <com.example.customshapedemo.StatusImageView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentRight="true"        android:layout_centerVertical="true"        android:layout_marginRight="40dp"        android:src="@drawable/ddw1"        customshape:color="#FF6103" />    <com.example.customshapedemo.StatusImageView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/customImgeView1"        android:layout_below="@+id/customImgeView1"        android:layout_marginLeft="27dp"        android:layout_marginTop="22dp"        android:src="@drawable/ddw1"        customshape:color="#123456" /></RelativeLayout>