五种获取安卓屏幕宽度和高度的方法

五种获取安卓屏幕宽度和高度的方法

private fun getScreenSize1(activity: Activity): Point {
    val defaultDisplay = activity.windowManager.defaultDisplay
    val point = Point()
    defaultDisplay.getSize(point)
    return point
}

private fun getScreenSize2(activity: Activity): Point {
    val outSize = Rect()
    activity.windowManager.defaultDisplay.getRectSize(outSize)
    val point = Point()
    point.x = outSize.right - outSize.left
    point.y = outSize.bottom - 
    return point
}

private fun getScreenSize3(activity: Activity): Point {
    val outMetrics = DisplayMetrics()
    activity.windowManager.defaultDisplay.getMetrics(outMetrics)
    val point = Point()
    point.x = outMetrics.widthPixels
    point.y = outMetrics.heightPixels
    return point
}

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private fun getScreenSize4(activity: Activity): Point {
    val outSize = Point()
    activity.windowManager.defaultDisplay.getRealSize(outSize)
    val point = Point()
    point.x = outSize.x
    point.y = outSize.y
    return point
}

@RequiresApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private fun getScreenSize5(activity: Activity): Point {
    val outMetrics = DisplayMetrics()
    activity.windowManager.defaultDisplay.getRealMetrics(outMetrics)
    val point = Point()
    point.x = outMetrics.widthPixels
    point.y = outMetrics.heightPixels
    return point
}