Android Display Density Get applyDimension(int unit, float value, DisplayMetrics metrics)

Description

apply Dimension

License

Apache License

Declaration

public static float applyDimension(int unit, float value,
        DisplayMetrics metrics) 

Method Source Code

//package com.java2s;
/****************************************************************************
 *            Copyright (C) 2014 www.apkdv.com
 *    Author: LengYue  ProjectName: DvTools
 *
 * 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./*from w w w  . j a va  2  s  . c o m*/
 *****************************************************************************/

import android.util.DisplayMetrics;
import android.util.TypedValue;

public class Main {

    public static float applyDimension(int unit, float value,
            DisplayMetrics metrics) {
        switch (unit) {
        case TypedValue.COMPLEX_UNIT_PX:
            return value;

        case TypedValue.COMPLEX_UNIT_DIP:
            return value * metrics.density;

        case TypedValue.COMPLEX_UNIT_SP:
            return value * metrics.scaledDensity;

        case TypedValue.COMPLEX_UNIT_PT:
            return value * metrics.xdpi * (1.0f / 72);

        case TypedValue.COMPLEX_UNIT_IN:
            return value * metrics.xdpi;

        case TypedValue.COMPLEX_UNIT_MM:
            return value * metrics.xdpi * (1.0f / 25.4f);
        }

        return 0;
    }
}

Related

1. getDensity(Context context)
2. getDensitySize(Context context, int size)
3. getBounds(Display d, Rect r)
4. getDisplayPPI()