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這是我的小應用程序。它在我的設備中看起來很完美，但是當我在另一個具有其他尺寸屏幕的設備中使用它時，矩形不適合屏幕邊緣。我嘗試將pix轉換爲dp，但效果不佳。繪製retangular和縮放以適應屏幕
public class MyView extends View {
private static final String TAG = "MyActivity";
Paint paint;
private Rect rectangle;
Paint paint2;
private Rect rectangle2;
Paint paint3;
private Rect rectangle3;
Paint paint4;
private Rect rectangle4;
Paint paint5;
private Rect rectangle5;
Paint paint6;
private Rect rectangle6;
Paint paint7;
private Rect rectangle7;
Paint paint8;
private Rect rectangle8;
Paint paint9;
private Rect rectangle9;
Paint paint10;
private Rect rectangle10;
Paint paint11;
private Rect rectangle11;
Paint paint12;
private Rect rectangle12;
Paint paint13;
private Rect rectangle13;
Paint paint14;
private Rect rectangle14;
Paint paint15;
private Rect rectangle15;
Paint paint16;
private Rect rectangle16;
Paint colorPicker1;
private Rect rectangleRed;
Paint colorPicker2;
private Rect rectangleYellow;
Paint colorPicker3;
private Rect rectangleBlue;
Paint colorPicker4;
private Rect rectangleWhite;
int xStored;
int yStored;
int colorStore1;
public MyView(Context context) {
super(context);
init();
}
private void init(){
Log.i(TAG, "hola "+ screen);
paint = new Paint();
paint.setColor(Color.WHITE);
rectangle = new Rect(0, 0, 100, 100);
paint2 = new Paint();
paint2.setColor(Color.WHITE);
rectangle2 = new Rect(110, 0, 250, 100);
paint3 = new Paint();
paint3.setColor(Color.WHITE);
rectangle3 = new Rect(260, 0, 340, 100);
paint4 = new Paint();
paint4.setColor(Color.WHITE);
rectangle4 = new Rect(350, 0, 480, 100);
paint5 = new Paint();
paint5.setColor(Color.WHITE);
rectangle5 = new Rect(0, 110, 100, 260);
paint6 = new Paint();
paint6.setColor(Color.WHITE);
rectangle6 = new Rect(110, 110, 250, 260);
paint7 = new Paint();
paint7.setColor(Color.WHITE);
rectangle7 = new Rect(260, 110, 340, 260);
paint8 = new Paint();
paint8.setColor(Color.WHITE);
rectangle8 = new Rect(350, 110, 480, 260);
paint9 = new Paint();
paint9.setColor(Color.WHITE);
rectangle9 = new Rect(0, 270, 100, 340);
paint10 = new Paint();
paint10.setColor(Color.WHITE);
rectangle10 = new Rect(110, 270, 250, 340);
paint11 = new Paint();
paint11.setColor(Color.WHITE);
rectangle11 = new Rect(260, 270, 340, 340);
paint12 = new Paint();
paint12.setColor(Color.WHITE);
rectangle12 = new Rect(350, 270, 480, 340);
paint13 = new Paint();
paint13.setColor(Color.WHITE);
rectangle13 = new Rect(0, 350, 100, 440);
paint14 = new Paint();
paint14.setColor(Color.WHITE);
rectangle14 = new Rect(110, 350, 250, 440);
paint15 = new Paint();
paint15.setColor(Color.WHITE);
rectangle15 = new Rect(260, 350, 340, 440);
paint16 = new Paint();
paint16.setColor(Color.WHITE);
rectangle16 = new Rect(350, 350, 480, 440);
colorPicker1 = new Paint();
colorPicker1.setColor(Color.RED);
rectangleRed= new Rect(0, 580 , 120+ screen, 680);
colorPicker2 = new Paint();
colorPicker2.setColor(Color.YELLOW);
rectangleYellow = new Rect(120+ screen, 580, 240+ screen2, 680);
colorPicker3 = new Paint();
colorPicker3.setColor(Color.BLUE);
rectangleBlue = new Rect(240+ screen3, 580, 360,680);
colorPicker4 = new Paint();
colorPicker4.setColor(Color.WHITE);
rectangleWhite = new Rect(360+ screen, 580, 480+ screen, 680);
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawColor(BLACK);
canvas.drawRect(rectangle, paint);
canvas.drawRect(rectangle2, paint2);
canvas.drawRect(rectangle3, paint3);
canvas.drawRect(rectangle4, paint4);
canvas.drawRect(rectangle5, paint5);
canvas.drawRect(rectangle6, paint6);
canvas.drawRect(rectangle7, paint7);
canvas.drawRect(rectangle8, paint8);
canvas.drawRect(rectangle9, paint9);
canvas.drawRect(rectangle10, paint10);
canvas.drawRect(rectangle11, paint11);
canvas.drawRect(rectangle12, paint12);
canvas.drawRect(rectangle13, paint13);
canvas.drawRect(rectangle14, paint14);
canvas.drawRect(rectangle15, paint15);
canvas.drawRect(rectangle16, paint16);
canvas.drawRect(rectangleRed, colorPicker1);
canvas.drawRect(rectangleYellow,colorPicker2);
canvas.drawRect(rectangleBlue,colorPicker3);
//canvas.drawRect(rectangleWhite,colorPicker4);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
super.onTouchEvent(event);
int x = (int)event.getX();
int y = (int)event.getY();
xStored = x; yStored=y;
if (event.getAction()==MotionEvent.ACTION_UP){
}else if(event.getAction()==MotionEvent.ACTION_DOWN){
if(rectangleRed.contains(x,y)){
colorStore1 = colorPicker1.getColor();
}
if(rectangleYellow.contains(x,y)){
colorStore1 = colorPicker2.getColor();
}
if (rectangleBlue.contains(x,y)){
colorStore1 = colorPicker3.getColor();
}
if (rectangleWhite.contains(x,y)){
colorStore1 = colorPicker4.getColor();
}
if(rectangle.contains(x,y)){
paint.setColor(colorStore1);
}
if(rectangle2.contains(x,y)){
paint2.setColor(colorStore1);
}
if(rectangle3.contains(x,y)){
paint3.setColor(colorStore1);
}
if(rectangle4.contains(x,y)){
paint4.setColor(colorStore1);
}
if(rectangle5.contains(x,y)){
paint5.setColor(colorStore1);
}
if(rectangle6.contains(x,y)){
paint6.setColor(colorStore1);
}
if(rectangle7.contains(x,y)){
paint7.setColor(colorStore1);
}
if(rectangle8.contains(x,y)){
paint8.setColor(colorStore1);
}
if(rectangle9.contains(x,y)){
paint9.setColor(colorStore1);
}
if(rectangle10.contains(x,y)){
paint10.setColor(colorStore1);
}
if(rectangle11.contains(x,y)){
paint11.setColor(colorStore1);
}
if(rectangle12.contains(x,y)){
paint12.setColor(colorStore1);
}
if(rectangle13.contains(x,y)){
paint13.setColor(colorStore1);
}
if(rectangle14.contains(x,y)){
paint14.setColor(colorStore1);
}
if(rectangle15.contains(x,y)){
paint15.setColor(colorStore1);
}
if(rectangle16.contains(x,y)){
paint16.setColor(colorStore1);
}
}else if(event.getAction()==MotionEvent.ACTION_MOVE){
}
this.postInvalidate();
return true;
}
}
