Java tutorial
//package com.java2s; /* * Copyright 2013, Edmodo, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with the License. * You may obtain a copy of the License in the LICENSE file, or 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. */ import android.content.Context; import android.util.TypedValue; public class Main { private static final int TARGET_RADIUS_DP = 24; /** * Gets the default target radius (in pixels). This is the radius of the * circular area that can be touched in order to activate the handle. * * @param context the Context * @return the target radius (in pixels) */ public static float getTargetRadius(Context context) { final float targetRadius = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, TARGET_RADIUS_DP, context.getResources().getDisplayMetrics()); return targetRadius; } }