public class StatusBarCompat {

    private static final int INVALID_VAL = -1;
    private static final int COLOR_DEFAULT = Color.parseColor(\"#20000000\");
    private static int MIUI = 942664;
    private static int FLYME = 63498;
    private static int ANDROID_M = 7482;


    public static final String SYS_EMUI = \"sys_emui\";
    public static final String SYS_MIUI = \"sys_miui\";
    public static final String SYS_FLYME = \"sys_flyme\";
    private static final String KEY_MIUI_VERSION_CODE = \"ro.miui.ui.version.code\";
    private static final String KEY_MIUI_VERSION_NAME = \"ro.miui.ui.version.name\";
    private static final String KEY_MIUI_INTERNAL_STORAGE = \"ro.miui.internal.storage\";
    private static final String KEY_EMUI_API_LEVEL = \"ro.build.hw_emui_api_level\";
    private static final String KEY_EMUI_VERSION = \"ro.build.version.emui\";
    private static final String KEY_EMUI_CONFIG_HW_SYS_VERSION = \"ro.confg.hw_systemversion\";

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    public static void compat(Activity activity, int statusColor) {

        //当前手机版本为5.0及以上
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            if (statusColor != INVALID_VAL) {
                activity.getWindow().setStatusBarColor(statusColor);
            }
            return;
        }

        //当前手机版本为4.4
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
            int color = COLOR_DEFAULT;
            ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
            if (statusColor != INVALID_VAL) {
                color = statusColor;
            }
            View statusBarView = new View(activity);
            ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                    getStatusBarHeight(activity));
            statusBarView.setBackgroundColor(color);
            contentView.addView(statusBarView, lp);
        }

    }

    public static void compat(Activity activity) {
        compat(activity, INVALID_VAL);
    }


    public static int getStatusBarHeight(Context context) {
        int result = 0;
        int resourceId = context.getResources().getIdentifier(\"status_bar_height\", \"dimen\", \"android\");
        if (resourceId > 0) {
            result = context.getResources().getDimensionPixelSize(resourceId);
        }
        return result;
    }

    /**
     * 修改状态栏为全透明,并且不影响导航栏颜色,0919亲测好使
     *
     * @param activity
     */
    @TargetApi(19)
    public static void transparencyBar(Activity activity) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Window window = activity.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.BLACK);
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            Window window = activity.getWindow();
            window.setFlags(
                    WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS,
                    WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        }
        if (StatusBarCompat.getSystem().equals(StatusBarCompat.SYS_MIUI)) {
            Properties prop = new Properties();
            if (prop.getProperty(KEY_MIUI_VERSION_NAME, \"\").equals(\"V6\")) {//判断是否是V6
//                StatusBarCompat.compat(activity, Color.parseColor(\"#000000\"));


                Window window = activity.getWindow();
                Class clazz = window.getClass();
                try {
                    int tranceFlag = 0;
                    int darkModeFlag = 0;
                    @SuppressLint(\"PrivateApi\")
                    Class layoutParams = Class.forName(\"android.view.MiuiWindowManager$LayoutParams\");

                    Field field = layoutParams.getField(\"EXTRA_FLAG_STATUS_BAR_TRANSPARENT\");
                    tranceFlag = field.getInt(layoutParams);

                    field = layoutParams.getField(\"EXTRA_FLAG_STATUS_BAR_DARK_MODE\");
                    darkModeFlag = field.getInt(layoutParams);

                    Method extraFlagField = clazz.getMethod(\"setExtraFlags\", int.class, int.class); //只需要状态栏透明
                    extraFlagField.invoke(window, tranceFlag, tranceFlag);//                    或 //状态栏透明且黑色字体
                    extraFlagField.invoke(window, tranceFlag | darkModeFlag, tranceFlag | darkModeFlag); //清除黑色字体
                    extraFlagField.invoke(window, 0, darkModeFlag);
                } catch (NoSuchMethodException e) {
                    e.printStackTrace();
                } catch (ClassNotFoundException e) {
                    e.printStackTrace();
                } catch (NoSuchFieldException e) {
                    e.printStackTrace();
                } catch (IllegalAccessException e) {
                    e.printStackTrace();
                } catch (IllegalArgumentException e) {
                    e.printStackTrace();
                } catch (InvocationTargetException e) {
                    e.printStackTrace();
                }


            } else {
                StatusBarCompat.compat(activity, Color.parseColor(\"#000000\"));
            }
        } else if (StatusBarCompat.getSystem().equals(StatusBarCompat.SYS_FLYME)) {
            StatusBarCompat.compat(activity, Color.parseColor(\"#000000\"));
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            //判断如果是6.0及其以上,才将状态栏字体和图标颜色变为黑色
            activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
        } else {
            StatusBarCompat.compat(activity, Color.parseColor(\"#000000\"));
        }
    }

    /**
     * 修改状态栏为全透明,并且不影响导航栏颜色,0919亲测好使
     *
     * @param activity
     */
    @TargetApi(19)
    public static void transparencyBar(Activity activity, int color) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Window window = activity.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.BLACK);
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            Window window = activity.getWindow();
            window.setFlags(
                    WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS,
                    WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        }
        if (StatusBarCompat.getSystem().equals(StatusBarCompat.SYS_MIUI)) {
            Properties prop = new Properties();
            if (prop.getProperty(KEY_MIUI_VERSION_NAME, \"\").equals(\"V6\")) {//判断是否是V6
//                StatusBarCompat.compat(activity, Color.parseColor(\"#000000\"));


                Window window = activity.getWindow();
                Class clazz = window.getClass();
                try {
                    int tranceFlag = 0;
                    int darkModeFlag = 0;
                    @SuppressLint(\"PrivateApi\")
                    Class layoutParams = Class.forName(\"android.view.MiuiWindowManager$LayoutParams\");

                    Field field = layoutParams.getField(\"EXTRA_FLAG_STATUS_BAR_TRANSPARENT\");
                    tranceFlag = field.getInt(layoutParams);

                    field = layoutParams.getField(\"EXTRA_FLAG_STATUS_BAR_DARK_MODE\");
                    darkModeFlag = field.getInt(layoutParams);

                    Method extraFlagField = clazz.getMethod(\"setExtraFlags\", int.class, int.class); //只需要状态栏透明
                    extraFlagField.invoke(window, tranceFlag, tranceFlag);//                    或 //状态栏透明且黑色字体
                    extraFlagField.invoke(window, tranceFlag | darkModeFlag, tranceFlag | darkModeFlag); //清除黑色字体
                    extraFlagField.invoke(window, 0, darkModeFlag);
                } catch (NoSuchMethodException e) {
                    e.printStackTrace();
                } catch (ClassNotFoundException e) {
                    e.printStackTrace();
                } catch (NoSuchFieldException e) {
                    e.printStackTrace();
                } catch (IllegalAccessException e) {
                    e.printStackTrace();
                } catch (IllegalArgumentException e) {
                    e.printStackTrace();
                } catch (InvocationTargetException e) {
                    e.printStackTrace();
                }


            } else {
                StatusBarCompat.compat(activity, Color.parseColor(\"#000000\"));
            }


        } else if (StatusBarCompat.getSystem().equals(StatusBarCompat.SYS_FLYME)) {
            StatusBarCompat.compat(activity, Color.parseColor(\"#000000\"));
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            //判断如果是6.0及其以上,才将状态栏字体和图标颜色变为黑色
            activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
        } else {
            StatusBarCompat.compat(activity, Color.parseColor(\"#000000\"));
        }
    }

    public static String getSystem() {
        String SYS = \"\";
        try {
            Properties prop = new Properties();
            prop.load(new FileInputStream(new File(Environment.getRootDirectory(), \"build.prop\")));
            if (prop.getProperty(KEY_MIUI_VERSION_CODE, null) != null
                    || prop.getProperty(KEY_MIUI_VERSION_NAME, null) != null
                    || prop.getProperty(KEY_MIUI_INTERNAL_STORAGE, null) != null) {
                SYS = SYS_MIUI;//小米
            } else if (prop.getProperty(KEY_EMUI_API_LEVEL, null) != null
                    || prop.getProperty(KEY_EMUI_VERSION, null) != null
                    || prop.getProperty(KEY_EMUI_CONFIG_HW_SYS_VERSION, null) != null) {
                SYS = SYS_EMUI;//华为
            } else if (getMeizuFlymeOSFlag().toLowerCase().contains(\"flyme\")) {
                SYS = SYS_FLYME;//魅族
            }
        } catch (IOException e) {
            e.printStackTrace();
            return SYS;
        }
        return SYS;
    }

    public static String getMeizuFlymeOSFlag() {
        return getSystemProperty(\"ro.build.display.id\", \"\");
    }

    private static String getSystemProperty(String key, String defaultValue) {
        try {
            Class<?> clz = Class.forName(\"android.os.SystemProperties\");
            Method get = clz.getMethod(\"get\", String.class, String.class);
            return (String) get.invoke(clz, key, defaultValue);
        } catch (Exception e) {
        }
        return defaultValue;
    }
}

使用:

StatusBarCompat.transparencyBar(this);
StatusBarCompat.compat(this, Color.parseColor(\"#a5b4bb\"));
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