使用代码提示miui系统开启悬浮框

最新推荐文章于 2024-04-30 16:26:33 发布

转载最新推荐文章于 2024-04-30 16:26:33 发布 · 466 阅读

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本文介绍了一种针对MIUI系统的应用权限检查方法，并提供了获取系统属性、检查权限状态及打开权限设置页面的具体实现。

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String ver = MiuiUtils.getSystemProperty("ro.miui.ui.version.name");
        if("V6".equals(ver)||"V7".equals(ver)){
            int i = MiuiUtils.checkOp(mContext,24);
            if(i==1){
                //没有权限       
            }
       }



/**
     * 判断系统是否为miui
     * @param propName
     * @return
     */
public static String getSystemProperty(String propName){
        String line;
        BufferedReader input = null;
        try {
            Process p = Runtime.getRuntime().exec("getprop " + propName);
            input = new BufferedReader(new InputStreamReader(p.getInputStream()), 1024);
            line = input.readLine();
            input.close();
        }
        catch (IOException ex) {
            return null;
        }
        finally {
            if(input != null) {
                try {
                    input.close();
                }
                catch (IOException e) {

                }
            }
        }
        return line;
    }




 /**
     返回 0 就代表有权限，1代表没有权限，-1函数出错啦
     */
    public static int checkOp(Context context, int op){
        final int version = Build.VERSION.SDK_INT;
        if (version >= 19){
            Object object = context.getSystemService("appops");
            Class c = object.getClass();
            try {
                Class[] cArg = new Class[3];
                cArg[0] = int.class;
                cArg[1] = int.class;
                cArg[2] = String.class;
                Method lMethod = c.getDeclaredMethod("checkOp", cArg);
                return (Integer) lMethod.invoke(object, op, Binder.getCallingUid(), context.getPackageName());
            } catch(NoSuchMethodException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                e.printStackTrace();
            }
        }
        return -1;
    }


public static void openMiuiPermissionActivity(Context context) {
        Intent intent = new Intent("miui.intent.action.APP_PERM_EDITOR");

        if (true) {
            intent.setClassName("com.miui.securitycenter", "com.miui.permcenter.permissions.AppPermissionsEditorActivity");
            intent.putExtra("extra_pkgname", context.getPackageName());
        }

        if (isIntentAvailable(context, intent)) {
            if (context instanceof Activity) {
                Activity a = (Activity) context;
                a.startActivityForResult(intent, 24);
            }
        }
    }

    private static boolean isIntentAvailable(Context context, Intent intent) {
        if (intent == null) return false;
        return context.getPackageManager().queryIntentActivities(intent, PackageManager.GET_ACTIVITIES).size() > 0;
    }