Android 图片显示与屏幕适配的问题

WindowManager windowManager = (WindowManager)     getSystemService(Context.WINDOW_SERVICE);Display d = windowManager.getDefaultDisplay();mWidth = d.getWidth();mHeight = d.getHeight();DisplayMetrics dm = getResources().getDisplayMetrics()mScreenDensity = dm.density;

float scaleWidth = mWidth / uiWidth;float scaleHeight = mHeight/ uiHeight;

public static int getWidthSize(int size) {        return (int) (size * scaleWidth);    }    public static int getHightSize(int size) {        return (int) (size * scaleHeight);    }    public static float getTextSize(int pxSize) {        return (pxSize * scaleHeight) / mScreenDensity;    }    public static void setViewSize(int width, int height, View v) {        int paramWidth = getWidthSize(width);        int paramHeight = getHightSize(height);        ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) v                .getLayoutParams();        if (width != INVALID) {            params.width = paramWidth;        }        if (height != INVALID) {            params.height = paramHeight;        }        v.setLayoutParams(params);    }    public static void setViewPadding(int left, int top, int right, int bottom,            View v) {        left = getWidthSize(left);        top = getHightSize(top);        right = getWidthSize(right);        bottom = getWidthSize(bottom);        v.setPadding(left, top, right, bottom);    }    public static void setViewMargin(int left, int top, int right, int bottom,            View v) {        int paramLeft = getWidthSize(left);        int paramTop = getHightSize(top);        int paramRight = getWidthSize(right);        int paramBottom = getHightSize(bottom);        ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) v                .getLayoutParams();        if (left != INVALID) {            params.leftMargin = paramLeft;        }        if (right != INVALID) {            params.rightMargin = paramRight;        }        if (top != INVALID) {            params.topMargin = paramTop;        }        if (bottom != INVALID) {            params.bottomMargin = paramBottom;        }        v.setLayoutParams(params);}

setViewSize(100, 100, mView);    setViewMargin(20, 0, 0, 20, mView);    setViewPadding(10, 10, 10, 10, mView);    mTextView.setTextSize(getTextSize(30));