cordova屏幕尺寸

    <platform name="android">
        <!--
            ldpi    : 36x36 px
            mdpi    : 48x48 px
            hdpi    : 72x72 px
            xhdpi   : 96x96 px
            xxhdpi  : 144x144 px
            xxxhdpi : 192x192 px
        -->
        <icon src="res/android/ldpi.png" density="ldpi" />
        <icon src="res/android/mdpi.png" density="mdpi" />
        <icon src="res/android/hdpi.png" density="hdpi" />
        <icon src="res/android/xhdpi.png" density="xhdpi" />
        <icon src="res/android/xxhdpi.png" density="xxhdpi" />
        <icon src="res/android/xxxhdpi.png" density="xxxhdpi" />
    </platform>