Android手机屏幕相关知识点 - yiyixiaozhi/readingNotes GitHub Wiki

2015-10-30 Android手机屏幕相关知识点.md

获取手机屏幕分辨率信息

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 ;

Android Drawable切图制作标准

屏幕密度级别

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

手机常见分辨率

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
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
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