Android Pixel to Dip Convert convertPixelsToDp(Context ctx, float px)

Description

This method converts device specific pixels to device independent pixels.

License

Apache License

Parameter

Parameter	Description
ctx	The current context
px	A value in px (pixels) unit

Return

A float value to represent dp equivalent to px value

Declaration

public static float convertPixelsToDp(Context ctx, float px) 

Method Source Code

//package com.java2s;
/*/* w  w w .j  ava 2s.  co  m*/
 * Copyright (C) 2012 The CyanogenMod Project
 *
 * 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.
 */

import android.content.Context;

import android.content.res.Resources;
import android.util.DisplayMetrics;

public class Main {
    /**
     * This method converts device specific pixels to device independent pixels.
     *
     * @param ctx The current context
     * @param px A value in px (pixels) unit
     * @return A float value to represent dp equivalent to px value
     */
    public static float convertPixelsToDp(Context ctx, float px) {
        Resources resources = ctx.getResources();
        DisplayMetrics metrics = resources.getDisplayMetrics();
        return px / (metrics.densityDpi / 160f);

    }
}

Related

1. convertPixelsToDp(Context context, float pxValue)
2. convertPixelsToSp(Context context, float pxValue)
3. px2dip(Context context, float pxValue)
4. px2dip(Context context, float pxValue)
5. px2dip(Context context, float pxValue)