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package com.example.util; import java.lang.reflect.Field; import android.app.Activity; import android.content.Context; import android.content.res.Configuration; import android.graphics.Rect; import android.util.DisplayMetrics; import android.util.TypedValue; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.ViewGroup.LayoutParams; import android.view.ViewGroup.MarginLayoutParams; import android.view.WindowManager; import android.widget.TextView; import com.example.base.BaseApplication; /** * Window及UI缩放工具 * */ @SuppressWarnings("unused") public class WindowUtil { /** UI设计的竖向高度,单位:px */ private static final int UI_DESIGN_PORTRAIT_SIZE = 1800; /** UI设计的横向高度,单位:px */ private static final int UI_DESIGN_LANDSCAPE_SIZE = 1080; /** 自动缩放严格模式标志 */ private static final String AUTO_RESIZE_STRICT_TAG = "strict_mode"; private static final String TAG = WindowUtil.class.getSimpleName(); /** 状态栏高度 */ public static int STATUS_BAR_HEIGHT; /** 缩放比例:水平 */ public static float SCALE_RATIO_HORIZONTAL; /** 缩放比例:垂直 */ public static float SCALE_RATIO_VERTICAL; /** 缩放比例 */ public static float SCALE_RATIO; /** 屏幕旋转度 */ public static int WINDOW_ROTATION; private static float SCREEN_DENSITY = 1.0F; static { computeScaleRatio(); computeScreenDensity(); computeWindowRotation(); } /** * View按UI设计大小等比缩放,重新计算view的宽高、边距、文字大小 * * @param view * @return */ public static boolean resize(View view) { return resize(view, SCALE_RATIO_HORIZONTAL, SCALE_RATIO); } /** * 递归重新计算View及其子View的宽高 * * @param view * @return */ public static boolean resizeRecursively(View view) { return resizeRecursively(view, SCALE_RATIO, SCALE_RATIO); } /** * 重新计算view的宽高、边距、文本大小<br> * (其中宽高、文本大小按照相同缩放系数;内外边距水平方向按照水平比例系数,垂直方向按照垂直比例系数) * * @param view * @param horizontalRatio * @param verticalRatio * @return */ public static boolean resize(View view, float horizontalRatio, float verticalRatio) { if (view == null) return false; /* 重新计算宽高 */ resizeWidthAndHeight(view, horizontalRatio, verticalRatio); /* 重新计算内边距 */ repadding(view); /* 重新计算外边距 */ remargin(view); /* 重新计算文本大小 */ if (view instanceof TextView) resizeText((TextView) view); return true; } /** * 重新计算view的宽高、边距、文本大小<br> * (严格模式) * * @param view * @param horizontalRatio * @param verticalRatio * @return */ public static boolean resizeStrictly(View view, float horizontalRatio, float verticalRatio) { if (view == null) return false; /* 重新计算宽高 */ resizeWidthAndHeight(view, horizontalRatio, verticalRatio); /* 重新计算内边距 */ repadding(view, horizontalRatio, verticalRatio); /* 重新计算外边距 */ remargin(view, horizontalRatio, verticalRatio); /* 重新计算文本大小 */ if (view instanceof TextView) resizeText((TextView) view); return true; } /** * 重新计算view的宽高 * * @param view * @param horizontalRatio * @param verticalRatio * @return */ public static boolean resizeWidthAndHeight(View view, float horizontalRatio, float verticalRatio) { if (view == null) return false; Object tag = view.getTag(); if (tag instanceof String) { String tagString = (String) tag; if ("ignoreSize".equals(tagString)) { return true; } } LayoutParams params = view.getLayoutParams(); if (params != null) { int width = params.width; int height = params.height; if (params.width != LayoutParams.MATCH_PARENT && params.width != LayoutParams.WRAP_CONTENT) { width = (int) (width * horizontalRatio); if (width > 1) params.width = width; } if (params.height != LayoutParams.MATCH_PARENT && params.height != LayoutParams.WRAP_CONTENT) { height = (int) (height * verticalRatio); if (height > 1) params.height = height; } view.setLayoutParams(params); } return true; } /** * 重新计算view的Padding(非严格模式) * * @param view * @return */ public static boolean repadding(View view) { return repadding(view, SCALE_RATIO_HORIZONTAL, SCALE_RATIO_VERTICAL); } /** * 重新计算view的Padding(严格模式) * * @param view * @return */ public static boolean repadding(View view, float horizontalRatio, float verticalRatio) { if (view == null) return false; view.setPadding( (int) (view.getPaddingLeft() * horizontalRatio), (int) (view.getPaddingTop() * verticalRatio), (int) (view.getPaddingRight() * horizontalRatio), (int) (view.getPaddingBottom() * verticalRatio)); return true; } /** * 重新计算view的Margin * * @param view * @return */ public static void remargin(View view) { remargin(view, SCALE_RATIO_HORIZONTAL, SCALE_RATIO_VERTICAL); } /** * 重新计算view的Margin * * @param view * @return */ public static void remargin(View view, float horizontalRatio, float verticalRatio) { MarginLayoutParams marginParams = null; try { marginParams = (MarginLayoutParams) view.getLayoutParams(); } catch (ClassCastException e) { return; } if (marginParams == null) return; int left = (int) (marginParams.leftMargin * horizontalRatio); int top = (int) (marginParams.topMargin * verticalRatio); int right = (int) (marginParams.rightMargin * horizontalRatio); int bottom = (int) (marginParams.bottomMargin * verticalRatio); marginParams.setMargins(left, top, right, bottom); view.setLayoutParams(marginParams); } /** * 重新计算TextView中文本的大小 * * @param view * @return */ public static boolean resizeText(TextView view) { if (view == null) return false; Object tag = view.getTag(); if (tag instanceof String) { String tagString = (String) tag; if ("ignoreSize".equals(tagString)) { return true; } } float textSize = view.getTextSize(); float ratio = SCALE_RATIO; view.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize * ratio); return true; } /** * 重新计算view的宽高(高度及宽度均按照水平缩放比例) * * @param view * @return */ public static boolean resizeWithHorizontalRatio(View view) { return resize(view, SCALE_RATIO_HORIZONTAL, SCALE_RATIO_HORIZONTAL); } /** * 重新计算view的宽高(高度按照垂直缩放比例,宽度按照水平缩放比例) * * @param view * @return */ public static boolean resizeWithRespectiveRatio(View view) { return resize(view, SCALE_RATIO_HORIZONTAL, SCALE_RATIO_VERTICAL); } public static boolean resizeChildrenRecursively(View view) { if (view == null) return false; if (!(view instanceof ViewGroup)) return true; ViewGroup group = ((ViewGroup) view); int childCount = group.getChildCount(); View child = null; for (int i = 0; i < childCount; i++) { child = group.getChildAt(i); resizeRecursively(child); } return true; } /** * 递归重新计算view的宽高(高度按照垂直缩放比例,宽度按照水平缩放比例) * * @param view * @return */ public static boolean resizeRecursivelyWithRespectiveRatio(View view) { return resizeRecursively(view, SCALE_RATIO_HORIZONTAL, SCALE_RATIO_VERTICAL); } /** * 递归重新计算view的宽高(高度和宽度均按照垂直缩放比例) * * @param view * @return */ public static boolean resizeRecursivelyWithVerticalRatio(View view) { return resizeRecursively(view, SCALE_RATIO_VERTICAL, SCALE_RATIO_VERTICAL); } /** * 递归重新计算view的宽高 * * @param view * @param horizontalRatio * 水平缩放比例 * @param verticalRatio * 垂直缩放比例 * @return */ private static boolean resizeRecursively(View view, float horizontalRatio, float verticalRatio) { if (view == null) return false; /* 是否为严格模式 */ boolean strictMode = isStrictMode(view); /* 如果当前View需要以严格模式缩放,自动将所有子孙View按照严格模式缩放 */ if (strictMode) return resizeStrictRecursively(view, SCALE_RATIO, SCALE_RATIO); resize(view, horizontalRatio, verticalRatio); if (!(view instanceof ViewGroup)) return true; ViewGroup group = ((ViewGroup) view); int childCount = group.getChildCount(); View child = null; for (int i = 0; i < childCount; i++) { child = group.getChildAt(i); resizeRecursively(child, horizontalRatio, verticalRatio); } return true; } /** * 递归重新计算view的宽高(严格模式) * * @param view * @param horizontalRatio * 水平缩放比例 * @param verticalRatio * 垂直缩放比例 * @return */ private static boolean resizeStrictRecursively(View view, float horizontalRatio, float verticalRatio) { if (view == null) return false; resizeStrictly(view, horizontalRatio, verticalRatio); if (!(view instanceof ViewGroup)) return true; ViewGroup group = ((ViewGroup) view); int childCount = group.getChildCount(); View child = null; for (int i = 0; i < childCount; i++) { child = group.getChildAt(i); resizeStrictRecursively(child, horizontalRatio, verticalRatio); } return true; } /** * 是否为严格缩放模式 * * @param view * @return */ private static boolean isStrictMode(View view) { boolean strictMode = false; Object tag = view.getTag(); if (tag == null) return false; String tagString = String.valueOf(tag); if (AUTO_RESIZE_STRICT_TAG.equals(tagString)) strictMode = true; return strictMode; } /** * 根据屏幕宽度设置传入View的宽度 * * @param view * @param designedWidthResId * UI设计的高度资源ID * @return 是否成功设置 */ public static boolean setWidth(View view, int designedWidthResId) { float designedWidth = BaseApplication.getAppContext().getResources().getDimension(designedWidthResId); LayoutParams params = null; if (view instanceof ViewGroup) params = view.getLayoutParams(); if (params == null) params = ((View) (view.getParent())).getLayoutParams(); if (params == null) return false; params.width = (int) (designedWidth * SCALE_RATIO_HORIZONTAL); view.setLayoutParams(params); return true; } /** * 根据屏幕宽度设置传入View的高度 * * @param view * @param designedHeightResId * UI设计的高度资源ID(以像素为单位) * @return 是否成功设置 */ public static boolean setHeight(View view, int designedHeightResId) { if (view == null) return false; float designedHeight = BaseApplication.getAppContext().getResources().getDimension(designedHeightResId); LayoutParams params = null; if (view instanceof ViewGroup) params = view.getLayoutParams(); if (params == null) params = ((View) (view.getParent())).getLayoutParams(); if (params == null) return false; params.height = (int) (designedHeight * SCALE_RATIO_VERTICAL); view.setLayoutParams(params); return true; } /** * 根据屏幕宽高设置传入View的宽高(按照宽度比例等比缩放) * * @param view * @param designedWidthResId * UI设计的宽度资源ID(以像素为单位) * @param designedHeightResId * UI设计的高度资源ID(以像素为单位) * @return 是否成功设置 */ public static boolean setSize(View view, int designedWidthResId, int designedHeightResId) { float designedWidth = BaseApplication.getAppContext().getResources().getDimension(designedWidthResId); float designedHeight = BaseApplication.getAppContext().getResources().getDimension(designedHeightResId); LayoutParams params = null; if (view instanceof ViewGroup) params = view.getLayoutParams(); if (params == null) params = ((View) (view.getParent())).getLayoutParams(); if (params == null) return false; params.width = (int) (designedWidth * SCALE_RATIO_HORIZONTAL); params.height = (int) (designedHeight * SCALE_RATIO_HORIZONTAL); view.setLayoutParams(params); return true; } /** * 根据屏幕宽度设置传入View的高度 * * @param view * @param height * 像素值 * * @return 是否成功设置 */ public static boolean setViewHeight(View view, int height) { LayoutParams params = null; if (view instanceof ViewGroup) params = view.getLayoutParams(); if (params == null) params = ((View) (view.getParent())).getLayoutParams(); if (params == null) return false; params.height = height; view.setLayoutParams(params); return true; } /** * 设置视图宽高 * * @param view * @param width * @param height * @return */ public static boolean setViewSize(View view, int width, int height) { LayoutParams params = null; if (view instanceof ViewGroup) params = view.getLayoutParams(); if (params == null) params = ((View) (view.getParent())).getLayoutParams(); if (params == null) return false; params.width = width; params.height = height; view.setLayoutParams(params); return true; } /** * 根据屏幕宽度设置传入TextView的文本大小 * * @param view * @param designedTextSizeResId * UI设计的文本大小资源ID(以像素为单位) * @return 是否成功设置 */ public static boolean setTextSize(TextView view, int designedTextSizeResId) { if (view == null) return false; float designedSize = BaseApplication.getAppContext().getResources().getDimension(designedTextSizeResId); float size = designedSize * SCALE_RATIO_HORIZONTAL; view.setTextSize(TypedValue.COMPLEX_UNIT_PX, size); return true; } /** * 设置View的外边距(像素值) * * @param view * @param left * @param top * @param right * @param bottom * @return */ public static boolean setMargin(View view, int left, int top, int right, int bottom) { MarginLayoutParams marginParams = null; try { marginParams = (MarginLayoutParams) view.getLayoutParams(); } catch (ClassCastException e) { return false; } if (marginParams == null) return false; marginParams.leftMargin = left; marginParams.topMargin = top; marginParams.rightMargin = right; marginParams.bottomMargin = bottom; view.setLayoutParams(marginParams); return true; } /** * 设置View的顶部外边距(像素值) * * @param view * @return */ public static boolean setMarginTop(View view, int marginTop) { MarginLayoutParams marginParams = null; try { marginParams = (MarginLayoutParams) view.getLayoutParams(); } catch (ClassCastException e) { return false; } if (marginParams == null) return false; marginParams.topMargin = marginTop; view.setLayoutParams(marginParams); return true; } /** * 设置View的左侧外边距(像素值) * * @param view * @return */ public static boolean setMarginLeft(View view, int marginLeft) { MarginLayoutParams marginParams = null; try { marginParams = (MarginLayoutParams) view.getLayoutParams(); } catch (ClassCastException e) { return false; } if (marginParams == null) return false; marginParams.leftMargin = marginLeft; view.setLayoutParams(marginParams); return true; } /** * 设置View的右侧外边距(像素值) * * @param view * @return */ public static boolean setMarginRight(View view, int marginRight) { MarginLayoutParams marginParams = null; try { marginParams = (MarginLayoutParams) view.getLayoutParams(); } catch (ClassCastException e) { return false; } if (marginParams == null) return false; marginParams.rightMargin = marginRight; view.setLayoutParams(marginParams); return true; } /** * 设置View的底部外边距(像素值) * * @param view * @return */ public static boolean setMarginBottom(View view, int marginBottom) { MarginLayoutParams marginParams = null; try { marginParams = (MarginLayoutParams) view.getLayoutParams(); } catch (ClassCastException e) { return false; } if (marginParams == null) return false; marginParams.bottomMargin = marginBottom; view.setLayoutParams(marginParams); return true; } /** * 设置View的内边距(像素值) * * @param view * @return */ public static boolean setPadding(View view, int left, int top, int right, int bottom) { if (view == null) return false; view.setPadding(left, top, right, bottom); return true; } /** * 设置View的顶部内边距(像素值) * * @param view * @return */ public static boolean setPaddingTop(View view, int top) { if (view == null) return false; view.setPadding(view.getPaddingLeft(), top, view.getPaddingRight(), view.getPaddingBottom()); return true; } /** * 设置View的左侧内边距(像素值) * * @param view * @return */ public static boolean setPaddingLeft(View view, int paddingLeft) { if (view == null) return false; view.setPadding(paddingLeft, view.getPaddingTop(), view.getPaddingRight(), view.getPaddingBottom()); return true; } /** * 设置View的右侧内边距(像素值) * * @param view * @return */ public static boolean setPaddingRight(View view, int paddingRight) { if (view == null) return false; view.setPadding(view.getPaddingLeft(), view.getPaddingTop(), paddingRight, view.getPaddingBottom()); return true; } /** * 设置View的底部内边距(像素值) * * @param view * @return */ public static boolean setPaddingBottom(View view, int paddingBottom) { if (view == null) return false; view.setPadding(view.getPaddingLeft(), view.getPaddingTop(), view.getPaddingRight(), paddingBottom); return true; } /** * 获取View的宽度(像素值) * * @param view * @return */ public static int getWidth(View view) { LayoutParams params = view.getLayoutParams(); if (params == null) return 0; return params.width; } /** * 获取View的高度(像素值) * * @param view * @return */ public static int getHeight(View view) { LayoutParams params = view.getLayoutParams(); if (params == null) return 0; return params.height; } /** * 获取高度值(像素)(按照宽度比例缩放) * * @return */ public static float getHorizontalScaledDimen(int heightResId) { return BaseApplication.getAppContext().getResources().getDimension(heightResId) * SCALE_RATIO_HORIZONTAL; } /** * 获取高度值(像素)(按照高度比例缩放) * * @return */ public static float getVerticalScaledDimen(int heightResId) { return BaseApplication.getAppContext().getResources().getDimension(heightResId) * SCALE_RATIO_VERTICAL; } /** * 获取屏幕宽度(像素) * * @return */ public static int getWindowWidth() { DisplayMetrics dm = new DisplayMetrics(); dm = BaseApplication.getAppContext().getResources().getDisplayMetrics(); if (dm == null) return 0; return dm.widthPixels; } /** * 获取屏幕高度(像素) * * @return */ public static int getWindowHeight() { DisplayMetrics dm = new DisplayMetrics(); dm = BaseApplication.getAppContext().getResources().getDisplayMetrics(); if (dm == null) return 0; return dm.heightPixels; } /** * 计算资源文件中定义的尺寸像素值 * * @param resId * dimen.xml中定义的资源ID * @return */ public static float computeDimen(int resId) { return BaseApplication.getAppContext().getResources().getDimension(resId); } /** * 计算资源文件中定义的尺寸像素值,并乘以缩放系数ratio * * @return */ public static float computeScaledDimen(int resId, float ratio) { return computeDimen(resId) * ratio; } /** * 重新计算尺寸像素值,并乘以缩放系数ratio * * @return */ public static int computeScaledSize(int size) { return (int) (size * SCALE_RATIO); } /** * 重新计算尺寸像素值,并乘以缩放系数ratio * * @return */ public static int computeScaledSize(float size) { return (int) (size * SCALE_RATIO); } /** * 计算资源文件中定义的尺寸像素值,并乘以垂直缩放系数 * * @param resId * UI设计的大小资源ID(以像素为单位) * @return */ public static float computeScaledDimenByVerticalRatio(int resId) { return computeScaledDimen(resId, SCALE_RATIO_VERTICAL); } /** * 计算资源文件中定义的尺寸像素值,并乘以水平缩放系数 * * @param resId * UI设计的大小资源ID(以像素为单位) * @return */ public static float computeScaledDimenByHorizontalRatio(int resId) { return computeScaledDimen(resId, SCALE_RATIO_HORIZONTAL); } /** * 计算屏幕密度 */ public static void computeScreenDensity() { DisplayMetrics dm = new DisplayMetrics(); dm = BaseApplication.getAppContext().getResources().getDisplayMetrics(); if (dm == null) return; SCREEN_DENSITY = dm.density; } /** * 计算UI/字体缩放比例 */ public static void computeScaleRatio() { int windowWidth = getWindowWidth(); int windowHeight = getWindowHeight(); if (windowWidth == 0 || windowHeight == 0) return; int designedWidth = (windowWidth > windowHeight) ? UI_DESIGN_PORTRAIT_SIZE : UI_DESIGN_LANDSCAPE_SIZE; int designedHeight = (windowWidth > windowHeight) ? UI_DESIGN_LANDSCAPE_SIZE : UI_DESIGN_PORTRAIT_SIZE; SCALE_RATIO_HORIZONTAL = (float) windowWidth / (float) designedWidth; SCALE_RATIO_VERTICAL = (float) windowHeight / (float) designedHeight; float ratioDesigned = (float) UI_DESIGN_PORTRAIT_SIZE / (float) UI_DESIGN_LANDSCAPE_SIZE; float ratioDevice = (float) windowHeight / (float) windowWidth; /* 当设备宽高比例与UI设计的比例相同,或者设备宽高比例比UI设计的比例瘦长时按照宽度等比缩放(主流),相反,如果比UI设计的比例胖扁时按照高度缩放 */ SCALE_RATIO = ratioDevice >= ratioDesigned ? SCALE_RATIO_HORIZONTAL : SCALE_RATIO_VERTICAL; } /** * 检查当前屏幕方向是否为横向 * * @return */ public static boolean isLandscape() { return BaseApplication.getAppContext().getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE; } /** * dip转换px * * @param dip * @return */ public static int dip2px(float dip) { float f = BaseApplication.getAppContext().getResources().getDisplayMetrics().density; return (int) (dip * f + 0.5F); } /** * dip转换px * * @param dip * @return */ public static int px2dip(float px) { float f = BaseApplication.getAppContext().getResources().getDisplayMetrics().density; return (int) (px / f); } /** * 检查UI事件是否发生在视图view的区域内 * * @param v * @param ev * @return */ public static boolean intersects(View v, MotionEvent ev) { if (v == null) return false; Rect rect = new Rect(); v.getHitRect(rect); Rect r = new Rect(); r.left = r.right = (int) ev.getX(); r.bottom = r.top = (int) ev.getY(); return rect.intersects(r.left, r.top, r.right, r.bottom); } /** * 通过反射计算状态栏高度 * * @return */ public static int getStatusBarHeight() { if (STATUS_BAR_HEIGHT != 0) return STATUS_BAR_HEIGHT; Class<?> c = null; Object obj = null; Field field = null; int x = 0, statusBarHeight = 0; try { c = Class.forName("com.android.internal.R$dimen"); obj = c.newInstance(); field = c.getField("status_bar_height"); x = Integer.parseInt(field.get(obj).toString()); statusBarHeight = BaseApplication.getAppContext().getResources().getDimensionPixelSize(x); STATUS_BAR_HEIGHT = statusBarHeight; } catch (Exception e1) { e1.printStackTrace(); } return STATUS_BAR_HEIGHT; } /** * 根据Activity获取状态栏高度 * * @param activityo * @return */ public static int getStatusBarHeight(Activity activity) { Rect frame = new Rect(); activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); return frame.top; } public static void computeWindowRotation() { WindowManager windowManager = (WindowManager) BaseApplication.getAppContext().getSystemService(Context.WINDOW_SERVICE); WINDOW_ROTATION = windowManager.getDefaultDisplay().getRotation(); LogUtil.d(TAG, "computeWindowRotation rotation : " + WINDOW_ROTATION); } public static int getWindowRotation() { return WINDOW_ROTATION; } }
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