title: Android手机屏幕相关知识点
date: 2015-10-30
description: 分辨率、像素密度
categories:
- 工具
tags:
- android
public static float PIXEL_DENSITY = 0.0f;
public static int PIXEL_HEIGHT;
public static int PIXEL_WIDTH;
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
PIXEL_DENSITY = metrics.density;
PIXEL_HEIGHT = metrics.heightPixels;
PIXEL_WIDTH = metrics.widthPixels ;
屏幕密度 dpi： 每英寸像素数
low:medium:high:extra-high:extra-extra-high=3:4:6:8:12
ldpi是120dpi，mdpi是160dpi，hdpi是240dpi，xhdpi是320dpi，xxhdpi是480dpi
| 4:03 |
5:03 |
16:09 |
| VGA 640*480 (Video Graphics Array) |
WVGA 800*480 (Wide VGA) |
FWVGA 854*480 (Full Wide VGA) |
| QVGA 320*240 (Quarter VGA) |
|
HD 1920*1080 High Definition |
| HVGA 480*320 (Half-size VGA) |
|
QHD 960*540 |
| SVGA 800*600 (Super VGA) |
|
720p 1280*720 标清 |
|
|
1080p 1920*1080 高清 |
|
## 分辨率对应DPI(制作切图请参考下面的后5项制作)
| ldpi |
mdpi |
hdpi |
xhdpi |
xxhdpi |
xxxhdpi |
| QVGA 240x320 |
HVGA 480*320 |
WVGA 800*480 |
720P 1280x720 |
1080P 1920x1080 |
1440x2560 |
|
|
FWVGA 480x854 |
1184x720 |
|
|
|
|
QHD 960*540 |
|
|
|
|
>常用手机的分辨率
iphone 4/4s 960*640 (3:2)
iphone5 1136*640
小米1 854*480(FWVGA)
小米2 1280*720