Question

我是android开发的新手。我创建了一个Android应用程序，大多数设备设计都很好看。 1080x1920分辨率设备工作正常。但是，一些设备Nexus 5x和LeEco-2（两者都具有相同的分辨率）设计（UI）在这些设备中看起来并不像预期的那样。

我需要为这些设备使用哪个资源文件夹？

Answer 1

调用此method以了解设备实际是哪个屏幕大小！某些设备从xxxhdpi得到的值有些来自sw800dp（或任何其他smallest width文件夹）

 public int differentDensityAndScreenSize(Context context) {
        int value = 20;
        String str = "";
        if ((context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_SMALL) {
            switch (context.getResources().getDisplayMetrics().densityDpi) {
                case DisplayMetrics.DENSITY_LOW:
                    str = "small-ldpi";
                    value = 20;
                    break;
                case DisplayMetrics.DENSITY_MEDIUM:
                    str = "small-mdpi";
                    value = 20;
                    break;
                case DisplayMetrics.DENSITY_HIGH:
                    str = "small-hdpi";
                    value = 20;
                    break;
                case DisplayMetrics.DENSITY_XHIGH:
                    str = "small-xhdpi";
                    value = 20;
                    break;
                case DisplayMetrics.DENSITY_XXHIGH:
                    str = "small-xxhdpi";
                    value = 20;
                    break;
                case DisplayMetrics.DENSITY_XXXHIGH:
                    str = "small-xxxhdpi";
                    value = 20;
                    break;
                case DisplayMetrics.DENSITY_TV:
                    str = "small-tvdpi";
                    value = 20;
                    break;
                default:
                    str = "small-unknown";
                    value = 20;
                    break;
            }

        } else if ((context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_NORMAL) {
            switch (context.getResources().getDisplayMetrics().densityDpi) {
                case DisplayMetrics.DENSITY_LOW:
                    str = "normal-ldpi";
                    value = 82;
                    break;
                case DisplayMetrics.DENSITY_MEDIUM:
                    str = "normal-mdpi";
                    value = 82;
                    break;
                case DisplayMetrics.DENSITY_HIGH:
                    str = "normal-hdpi";
                    value = 82;
                    break;
                case DisplayMetrics.DENSITY_XHIGH:
                    str = "normal-xhdpi";
                    value = 90;
                    break;
                case DisplayMetrics.DENSITY_XXHIGH:
                    str = "normal-xxhdpi";
                    value = 96;
                    break;
                case DisplayMetrics.DENSITY_XXXHIGH:
                    str = "normal-xxxhdpi";
                    value = 96;
                    break;
                case DisplayMetrics.DENSITY_TV:
                    str = "normal-tvdpi";
                    value = 96;
                    break;
                default:
                    str = "normal-unknown";
                    value = 82;
                    break;
            }
        } else if ((context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_LARGE) {
            switch (context.getResources().getDisplayMetrics().densityDpi) {
                case DisplayMetrics.DENSITY_LOW:
                    str = "large-ldpi";
                    value = 78;
                    break;
                case DisplayMetrics.DENSITY_MEDIUM:
                    str = "large-mdpi";
                    value = 78;
                    break;
                case DisplayMetrics.DENSITY_HIGH:
                    str = "large-hdpi";
                    value = 78;
                    break;
                case DisplayMetrics.DENSITY_XHIGH:
                    str = "large-xhdpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_XXHIGH:
                    str = "large-xxhdpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_XXXHIGH:
                    str = "large-xxxhdpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_TV:
                    str = "large-tvdpi";
                    value = 125;
                    break;
                default:
                    str = "large-unknown";
                    value = 78;
                    break;
            }

        } else if ((context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_XLARGE) {
            switch (context.getResources().getDisplayMetrics().densityDpi) {
                case DisplayMetrics.DENSITY_LOW:
                    str = "xlarge-ldpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_MEDIUM:
                    str = "xlarge-mdpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_HIGH:
                    str = "xlarge-hdpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_XHIGH:
                    str = "xlarge-xhdpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_XXHIGH:
                    str = "xlarge-xxhdpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_XXXHIGH:
                    str = "xlarge-xxxhdpi";
                    value = 125;
                    break;
                case DisplayMetrics.DENSITY_TV:
                    str = "xlarge-tvdpi";
                    value = 125;
                    break;
                default:
                    str = "xlarge-unknown";
                    value = 125;
                    break;
            }
        }
// The Toast will show the Device falls in Which Categories.
        Toast.makeText(MainActivity.this, ""+str, Toast.LENGTH_SHORT).show();

        return value;
    }

如何使用1080x1920：420 dpi - Android studio

1 个答案: