Today's headline adaptation scheme code

Today's headline adaptation scheme code

	/**
     *  Today's headline adaptation   The final version   Adaptation ratio   Take width as latitude ,360dp To fit 
     */
    private static float sNoncompatDensity;
    private static float sNoncompatScaledDensity;

    private static void setCustomDensity(@NonNull Activity activity, @NonNull final Application application) {
        final DisplayMetrics appDisplayMetrics = application.getResources().getDisplayMetrics();

        if (sNoncompatDensity == 0) {
            sNoncompatDensity = appDisplayMetrics.density;
            sNoncompatScaledDensity = appDisplayMetrics.scaledDensity;
            application.registerComponentCallbacks(new ComponentCallbacks() {
                @Override
                public void onConfigurationChanged(Configuration newConfig) {
                    if (newConfig != null && newConfig.fontScale > 0) {
                        sNoncompatScaledDensity = application.getResources().getDisplayMetrics().scaledDensity;
                    }
                }
                @Override
                public void onLowMemory() {
                }
            });
        }
        final float targetDensity = appDisplayMetrics.widthPixels / 360;
        final float targetScaledDensity = targetDensity * (sNoncompatScaledDensity / sNoncompatDensity);
        final int targetDensityDpi = (int) (160 * targetDensity);

        appDisplayMetrics.density = targetDensity;
        appDisplayMetrics.scaledDensity = targetScaledDensity;
        appDisplayMetrics.densityDpi = targetDensityDpi;

        final DisplayMetrics activityDisplayMetrics = activity.getResources().getDisplayMetrics();
        activityDisplayMetrics.density = targetDensity;
        activityDisplayMetrics.scaledDensity = targetScaledDensity;
        activityDisplayMetrics.densityDpi = targetDensityDpi;
    }