Android学习笔记之给图片加边框

//设置颜色   public void setColour(int color){    co = color;   }   //设置边框宽度   public void setBorderWidth(int width){        borderwidth = width;   }

package xiaosi.imageborder;    import android.app.Activity;  import android.graphics.Color;  import android.os.Bundle;    public class ImageBorderActivity extends Activity {      /** Called when the activity is first created. */   private myImageView image = null;   private myImageView image1 = null;      @Override      public void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.main);                    image = (myImageView)findViewById(R.id.iamge);          image.setColour(Color.YELLOW);          image.setBorderWidth(10);          image1 = (myImageView)findViewById(R.id.iamge1);          image1.setColour(Color.GREEN);          image1.setBorderWidth(5);      }  }

<LinearLayout      xmlns:android="http://schemas.android.com/apk/res/android"     android:background="@drawable/playerbackground"     android:layout_width="fill_parent"     android:layout_height="fill_parent">      <xiaosi.imageborder.myImageView           android:id="@+id/iamge"           android:layout_width="200px"            android:layout_height="230px"           android:layout_alignParentRight="true"           android:src="@drawable/v"           android:layout_centerInParent="true"           android:layout_marginRight="3px"          />      <xiaosi.imageborder.myImageView           android:id="@+id/iamge1"           android:layout_width="200px"            android:layout_height="230px"           android:layout_alignParentRight="true"           android:src="@drawable/v"           android:layout_centerInParent="true"           android:layout_marginRight="3px"          />  </LinearLayout>

package xiaosi.imageborder;    import android.content.Context;  import android.graphics.Canvas;  import android.graphics.Paint;  import android.graphics.Rect;  import android.util.AttributeSet;  import android.widget.ImageView;    public class myImageView extends ImageView {     private int co;   private int borderwidth;   public myImageView(Context context) {    super(context);   }   public myImageView(Context context, AttributeSet attrs,     int defStyle) {    super(context, attrs, defStyle);   }     public myImageView(Context context, AttributeSet attrs) {    super(context, attrs);   }      //设置颜色   public void setColour(int color){    co = color;   }   //设置边框宽度   public void setBorderWidth(int width){        borderwidth = width;   }   @Override   protected void onDraw(Canvas canvas) {    super.onDraw(canvas);    // 画边框    Rect rec = canvas.getClipBounds();    rec.bottom--;    rec.right--;    Paint paint = new Paint();    //设置边框颜色    paint.setColor(co);    paint.setStyle(Paint.Style.STROKE);    //设置边框宽度    paint.setStrokeWidth(borderwidth);    canvas.drawRect(rec, paint);   }  }