public class BaseActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setStatusTransparent();
        setDarkStatusIcon(true);
    }

    /**
     * 說明：Android 4.4+ 設定狀態列透明
     */
    protected void setStatusTransparent
 
() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            // 5.0+ 實現
            Window window = getWindow();
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(Color.TRANSPARENT);
        } else
 
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            // 4.4 實現
            getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        }
    }

    /**
     * 說明：Android 6.0+ 狀態列圖示原生反色操作
     */
    protected void setDarkStatusIcon(boolean dark) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            View decorView = getWindow().getDecorView();
            if
 
 (decorView == null) return;

            int vis = decorView.getSystemUiVisibility();
            if (dark) {
                vis |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
            } else {
                vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
            }
            decorView.setSystemUiVisibility(vis);
        }
    }

}