1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.tvleanback; 18 19 import android.content.Context; 20 import android.graphics.Point; 21 import android.view.Display; 22 import android.view.WindowManager; 23 import android.widget.Toast; 24 25 /** 26 * A collection of utility methods, all static. 27 */ 28 public class Utils { 29 30 /* 31 * Making sure public utility methods remain static 32 */ 33 private Utils() { 34 } 35 36 /** 37 * Returns the screen/display size 38 */ 39 public static Point getDisplaySize(Context context) { 40 WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); 41 Display display = wm.getDefaultDisplay(); 42 Point size = new Point(); 43 display.getSize(size); 44 int width = size.x; 45 int height = size.y; 46 return size; 47 } 48 49 /** 50 * Shows a (long) toast 51 */ 52 public static void showToast(Context context, String msg) { 53 Toast.makeText(context, msg, Toast.LENGTH_LONG).show(); 54 } 55 56 /** 57 * Shows a (long) toast. 58 */ 59 public static void showToast(Context context, int resourceId) { 60 Toast.makeText(context, context.getString(resourceId), Toast.LENGTH_LONG).show(); 61 } 62 63 public static int convertDpToPixel(Context ctx, int dp) { 64 float density = ctx.getResources().getDisplayMetrics().density; 65 return Math.round((float) dp * density); 66 } 67 } 68
