android透明狀態欄，並更改狀態欄字體顏色

if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Window window = getWindow();
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
                    | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
            window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(Color.TRANSPARENT);
//            window.setNavigationBarColor(Color.TRANSPARENT);

            View decor = getWindow().getDecorView();
            if (true) {
                decor.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
            } else {
                decor.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
            }
        }
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            String packageName = getPackageName();
            PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
            if (!pm.isIgnoringBatteryOptimizations(packageName)) {
                try {
                    //some device doesn't has activity to handle this intent
                    //so add try catch
                    Intent intent = new Intent();
                    intent.setAction(android.provider.Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
                    intent.setData(Uri.parse("package:" + packageName));
                    startActivity(intent);
                } catch (Exception e) {
                }
            }
        }

寫在oncreat 中 ，    別忘了添加fitsystemwindows  在佈局中