定位权限的获取方式

客官°小女子只卖身不卖艺 2022-03-28 07:13 269阅读 0赞

/** * 与权限相关的工具类 * Created by @author iblade.Wang on 2019/1/8 19:22 */
    public class PermissionUtils { 
    
    
        /** * 判断位置权限集合 */
        public static String[] permissionsLocation = { Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION};
        public static final int OP_FINE_LOCATION = 1;
    
        /** * 判断位置权限 * * @param mContext 权限数组 * @return true-表示没有位置权限 false-表示权限已开启 */
        public static boolean lacksPermissionsLocation(Context mContext) { 
            int result = checkOp(mContext, OP_FINE_LOCATION, AppOpsManager.OPSTR_FINE_LOCATION);
            return result == AppOpsManagerCompat.MODE_IGNORED;
        }
    
        /** * 判断位置权限 * * @param mContext 权限数组 * @return true-表示没有位置权限 false-表示权限已开启 */
        public static boolean lacksPermissionsLocation2(Context mContext) { 
            for (String permission : permissionsLocation) { 
                if (lacksPermission(mContext, permission)) { 
                    return true;
                }
            }
            return false;
    
        }
    
        /** * 判断是否缺少权限 * * @param context 上下文 * @param permission 权限 * @return 是否已关闭该权限，true-已关闭，false-已开启 */
        private static boolean lacksPermission(Context context, String permission) { 
            if (context.getApplicationInfo().targetSdkVersion >= 23) { 
                return ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_DENIED;
            } else { 
                return PermissionChecker.checkSelfPermission(context, permission) == PackageManager.PERMISSION_DENIED;
            }
        }
    
        /** * 检查权限列表 * * @param context * @param op 这个值被hide了，去AppOpsManager类源码找，如位置权限 AppOpsManager.OP_GPS==2 * @param opString 如判断定位权限 AppOpsManager.OPSTR_FINE_LOCATION * @return @see 如果返回值 AppOpsManagerCompat.MODE_IGNORED 表示被禁用了 */
        public static int checkOp(Context context, int op, String opString) { 
            final int version = Build.VERSION.SDK_INT;
            if (version >= 19) { 
                Object object = context.getSystemService(Context.APP_OPS_SERVICE);
                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 (Exception e) { 
                    e.printStackTrace();
                    if (Build.VERSION.SDK_INT >= 23) { 
                        return AppOpsManagerCompat.noteOp(context, opString, context.getApplicationInfo().uid,
                                context.getPackageName());
                    }
    
                }
            }
            return -1;
        }
    
    
        /** * 跳转至AppDetailSetting，用于开启权限 * * @param context 上下文 * @return 跳转intent */
        public static Intent getAppDetailSettingIntent(Context context) { 
            Intent localIntent = new Intent();
            localIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            // SDK >= 9
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) { 
                localIntent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
                localIntent.setData(Uri.fromParts("package", context.getPackageName(), null));
            } else /*if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.FROYO) */ { 
                localIntent.setAction(Intent.ACTION_VIEW);
                localIntent.setClassName("com.android.settings", "com.android.settings.InstalledAppDetails");
                localIntent.putExtra("com.android.settings.ApplicationPkgName", context.getPackageName());
            }
            return localIntent;
        }
    }