/* * Copyright (C) 2016 android@19code.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.code19.library; import android.app.Activity; import android.content.Context; import android.content.ContextWrapper; import android.content.res.Resources; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.drawable.BitmapDrawable; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.View.MeasureSpec; import android.view.ViewGroup; import android.view.ViewParent; import android.widget.PopupWindow; import android.widget.TextView; import android.widget.Toast; /** * Blog : http://blog.csdn.net/u011240877 */ public class ViewUtils { public static void removeSelfFromParent(View view) { if (view != null) { ViewParent parent = view.getParent(); if (parent != null && parent instanceof ViewGroup) { ViewGroup group = (ViewGroup) parent; group.removeView(view); } } } public static void requestLayoutParent(View view, boolean isAll) { ViewParent parent = view.getParent(); while (parent != null && parent instanceof View) { if (!parent.isLayoutRequested()) { parent.requestLayout(); if (!isAll) { break; } } parent = parent.getParent(); } } public static boolean isTouchInView(MotionEvent ev, View v) { int[] vLoc = new int[2]; v.getLocationOnScreen(vLoc); float motionX = ev.getRawX(); float motionY = ev.getRawY(); return motionX >= vLoc[0] && motionX <= (vLoc[0] + v.getWidth()) && motionY >= vLoc[1] && motionY <= (vLoc[1] + v.getHeight()); } public static Bitmap bigImage(Bitmap bmp, float big) { int bmpWidth = bmp.getWidth(); int bmpHeight = bmp.getHeight(); Matrix matrix = new Matrix(); matrix.postScale(big, big); return Bitmap.createBitmap(bmp, 0, 0, bmpWidth, bmpHeight, matrix, true); } public static void setTVUnderLine(TextView textView) { textView.getPaint().setFlags(Paint.UNDERLINE_TEXT_FLAG); textView.getPaint().setAntiAlias(true); } static PopupWindow popupWindow; public static View showPopupWindow(Context context, int resId, View root, int paramsType) { View popupView; popupView = LayoutInflater.from(context).inflate(resId, null); switch (paramsType) { case 1: popupWindow = new PopupWindow(popupView, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT, true); break; case 2: popupWindow = new PopupWindow(popupView, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, true); break; case 3: popupWindow = new PopupWindow(popupView, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, true); break; case 4: popupWindow = new PopupWindow(popupView, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, true); break; default: popupWindow = new PopupWindow(popupView, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT, true); break; } popupWindow.setFocusable(true); popupWindow.setOutsideTouchable(true); popupWindow.setTouchable(true); popupWindow.setBackgroundDrawable(new BitmapDrawable()); popupWindow.showAsDropDown(root); return popupView; } public static void dismissPopup() { if (popupWindow != null && popupWindow.isShowing()) { popupWindow.dismiss(); popupWindow = null; } } public static Bitmap captureView(View v) { v.setDrawingCacheEnabled(true); v.buildDrawingCache(); return v.getDrawingCache(); } public static Bitmap createViewBitmap(View v) { Bitmap bitmap = Bitmap.createBitmap(v.getWidth(), v.getHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); v.draw(canvas); return bitmap; } public static Bitmap convertViewToBitmap(View view) { view.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED)); view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight()); view.buildDrawingCache(); return view.getDrawingCache(); } public static Bitmap getActivityBitmap(Activity activity) { View view = activity.getWindow().getDecorView().findViewById(android.R.id.content); view.setDrawingCacheEnabled(true); return view.getDrawingCache(); } public static int getStatusBarHeight(Context context) { int result = 0; int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android"); if (resourceId > 0) { result = context.getResources().getDimensionPixelSize(resourceId); } return result; } public static int getToolbarHeight(Context context) { final TypedArray styledAttributes = context.getTheme().obtainStyledAttributes(new int[]{R.attr.actionBarSize}); int toolbarHeight = (int) styledAttributes.getDimension(0, 0); styledAttributes.recycle(); return toolbarHeight; } public static int getNavigationBarHeight(Activity activity) { Resources resources = activity.getResources(); int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android"); if (resourceId > 0) { return resources.getDimensionPixelSize(resourceId); } return 0; } public static void measureView(View view) { ViewGroup.LayoutParams p = view.getLayoutParams(); if (p == null) { p = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); } int childWidthSpec = ViewGroup.getChildMeasureSpec(0, 0, p.width); int lpHeight = p.height; int childHeightSpec; if (lpHeight > 0) { childHeightSpec = MeasureSpec.makeMeasureSpec(lpHeight, MeasureSpec.EXACTLY); } else { childHeightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } view.measure(childWidthSpec, childHeightSpec); } public static int getViewWidth(View view) { measureView(view); return view.getMeasuredWidth(); } public static int getViewHeight(View view) { measureView(view); return view.getMeasuredHeight(); } public static Activity getActivity(View view) { Context context = view.getContext(); while (context instanceof ContextWrapper) { if (context instanceof Activity) { return (Activity) context; } context = ((ContextWrapper) context).getBaseContext(); } throw new IllegalStateException("View " + view + " is not attached to an Activity"); } public static void showToast(Context context, String content) { Toast.makeText(context, content, Toast.LENGTH_SHORT).show(); } public static void showToast(Context context, int res) { Toast.makeText(context, res, Toast.LENGTH_SHORT).show(); } }