One-minute explanation of Android screen ldpi mdpi hdpi xhdpi

One-minute explanation of Android screen ldpi mdpi hdpi xhdpi

DPI: number of pixels per inch

Simple screen resolution calculation method:

DisplayMetrics metrics = new DisplayMetrics ();
Display display = this. getWindowManager (). getdefadisplay Display ();
Display. getMetrics (metrics );
Log. e ("display", "high:" + display. getHeight () + "width:" + display. getWidth () + "screen density ratio:" + metrics. density );

Calculation diagram of dp and px (mdpi 1dp = 1px ):

Android mobile phone screen standard Corresponding Icon size standard screen density ratio

Xhdpi 1280*720 96*96 320 8

Hdpi 480*800 72*72 240 6

Mdpi 480*320 48*48 160 4

Ldpi 320*240 36*36 120 3